Legitimate companies like UPS provide non-editable receipts (PDFs) or web-based tracking. A .psd file is used by scammers to forge shipping documents , change tracking numbers, or alter delivery addresses to trick people into believing an item has been sent.
If you received this in an email, forward it to fraud@ups.com . UPS Proof.psd
Are you asking because you from a seller, or did you find it on your own system ? change tracking numbers