Unmasking Paperless Scams: How to Detect Fake PDFs, Invoices, and Receipts
Technical signs and forensic techniques to detect fake PDFs
A forged PDF frequently carries digital footprints that distinguish it from an authentic document. At a technical level, examine the file’s metadata and internal structure: fields such as /CreationDate, /ModDate, /Producer and XMP metadata often reveal whether a document has been edited, what software produced it, and when. Many forged files show mismatches between visible timestamps and metadata or contain multiple modification entries that suggest post-creation tampering. Use a text editor or a dedicated forensic tool to inspect the PDF’s object structure, cross-reference object IDs, and look for incremental updates or appended content streams that may mask changes.
Digital signatures and certificate chains are...