It's a shop. I can tell from the pixels and the...metadata.
Also, checking out the file deeper, there seems to be some interesting embedded XML data. I don't know if this is common with Photoshop on OSX, but here it is anyway.
Code:
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>com.apple.print.PageFormat.PMHorizontalRes</key>
<dict>
<key>com.apple.print.ticket.creator</key>
<string>com.apple.jobticket</string>
<key>com.apple.print.ticket.itemArray</key>
<array>
<dict>
<key>com.apple.print.PageFormat.PMHorizontalRes</key>
<real>72</real>
<key>com.apple.print.ticket.stateFlag</key>
<integer>0</integer>
</dict>
</array>
</dict>
<key>com.apple.print.PageFormat.PMOrientation</key>
<dict>
<key>com.apple.print.ticket.creator</key>
<string>com.apple.jobticket</string>
<key>com.apple.print.ticket.itemArray</key>
<array>
<dict>
<key>com.apple.print.PageFormat.PMOrientation</key>
<integer>1</integer>
<key>com.apple.print.ticket.stateFlag</key>
<integer>0</integer>
</dict>
</array>
</dict>
<key>com.apple.print.PageFormat.PMScaling</key>
<dict>
<key>com.apple.print.ticket.creator</key>
<string>com.apple.jobticket</string>
<key>com.apple.print.ticket.itemArray</key>
<array>
<dict>
<key>com.apple.print.PageFormat.PMScaling</key>
<real>1</real>
<key>com.apple.print.ticket.stateFlag</key>
<integer>0</integer>
</dict>
</array>
</dict>
<key>com.apple.print.PageFormat.PMVerticalRes</key>
<dict>
<key>com.apple.print.ticket.creator</key>
<string>com.apple.jobticket</string>
<key>com.apple.print.ticket.itemArray</key>
<array>
<dict>
<key>com.apple.print.PageFormat.PMVerticalRes</key>
<real>72</real>
<key>com.apple.print.ticket.stateFlag</key>
<integer>0</integer>
</dict>
</array>
</dict>
<key>com.apple.print.PageFormat.PMVerticalScaling</key>
<dict>
<key>com.apple.print.ticket.creator</key>
<string>com.apple.jobticket</string>
<key>com.apple.print.ticket.itemArray</key>
<array>
<dict>
<key>com.apple.print.PageFormat.PMVerticalScaling</key>
<real>1</real>
<key>com.apple.print.ticket.stateFlag</key>
<integer>0</integer>
</dict>
</array>
</dict>
<key>com.apple.print.subTicket.paper_info_ticket</key>
<dict>
<key>PMPPDPaperCodeName</key>
<dict>
<key>com.apple.print.ticket.creator</key>
<string>com.apple.jobticket</string>
<key>com.apple.print.ticket.itemArray</key>
<array>
<dict>
<key>PMPPDPaperCodeName</key>
<string>Letter</string>
<key>com.apple.print.ticket.stateFlag</key>
<integer>0</integer>
</dict>
</array>
</dict>
<key>PMTiogaPaperName</key>
<dict>
<key>com.apple.print.ticket.creator</key>
<string>com.apple.jobticket</string>
<key>com.apple.print.ticket.itemArray</key>
<array>
<dict>
<key>PMTiogaPaperName</key>
<string>na-letter</string>
<key>com.apple.print.ticket.stateFlag</key>
<integer>0</integer>
</dict>
</array>
</dict>
<key>com.apple.print.PageFormat.PMAdjustedPageRect</key>
<dict>
<key>com.apple.print.ticket.creator</key>
<string>com.apple.jobticket</string>
<key>com.apple.print.ticket.itemArray</key>
<array>
<dict>
<key>com.apple.print.PageFormat.PMAdjustedPageRect</key>
<array>
<real>0.0</real>
<real>0.0</real>
<real>734</real>
<real>576</real>
</array>
<key>com.apple.print.ticket.stateFlag</key>
<integer>0</integer>
</dict>
</array>
</dict>
<key>com.apple.print.PageFormat.PMAdjustedPaperRect</key>
<dict>
<key>com.apple.print.ticket.creator</key>
<string>com.apple.jobticket</string>
<key>com.apple.print.ticket.itemArray</key>
<array>
<dict>
<key>com.apple.print.PageFormat.PMAdjustedPaperRect</key>
<array>
<real>-18</real>
<real>-18</real>
<real>774</real>
<real>594</real>
</array>
<key>com.apple.print.ticket.stateFlag</key>
<integer>0</integer>
</dict>
</array>
</dict>
<key>com.apple.print.PaperInfo.PMPaperName</key>
<dict>
<key>com.apple.print.ticket.creator</key>
<string>com.apple.jobticket</string>
<key>com.apple.print.ticket.itemArray</key>
<array>
<dict>
<key>com.apple.print.PaperInfo.PMPaperName</key>
<string>na-letter</string>
<key>com.apple.print.ticket.stateFlag</key>
<integer>0</integer>
</dict>
</array>
</dict>
<key>com.apple.print.PaperInfo.PMUnadjustedPageRect</key>
<dict>
<key>com.apple.print.ticket.creator</key>
<string>com.apple.jobticket</string>
<key>com.apple.print.ticket.itemArray</key>
<array>
<dict>
<key>com.apple.print.PaperInfo.PMUnadjustedPageRect</key>
<array>
<real>0.0</real>
<real>0.0</real>
<real>734</real>
<real>576</real>
</array>
<key>com.apple.print.ticket.stateFlag</key>
<integer>0</integer>
</dict>
</array>
</dict>
<key>com.apple.print.PaperInfo.PMUnadjustedPaperRect</key>
<dict>
<key>com.apple.print.ticket.creator</key>
<string>com.apple.jobticket</string>
<key>com.apple.print.ticket.itemArray</key>
<array>
<dict>
<key>com.apple.print.PaperInfo.PMUnadjustedPaperRect</key>
<array>
<real>-18</real>
<real>-18</real>
<real>774</real>
<real>594</real>
</array>
<key>com.apple.print.ticket.stateFlag</key>
<integer>0</integer>
</dict>
</array>
</dict>
<key>com.apple.print.PaperInfo.ppd.PMPaperName</key>
<dict>
<key>com.apple.print.ticket.creator</key>
<string>com.apple.jobticket</string>
<key>com.apple.print.ticket.itemArray</key>
<array>
<dict>
<key>com.apple.print.PaperInfo.ppd.PMPaperName</key>
<string>US Letter</string>
<key>com.apple.print.ticket.stateFlag</key>
<integer>0</integer>
</dict>
</array>
</dict>
<key>com.apple.print.ticket.APIVersion</key>
<string>00.20</string>
<key>com.apple.print.ticket.type</key>
<string>com.apple.print.PaperInfoTicket</string>
</dict>
<key>com.apple.print.ticket.APIVersion</key>
<string>00.20</string>
<key>com.apple.print.ticket.type</key>
<string>com.apple.print.PageFormatTicket</string>
</dict>
</plist>