Invoice Fraud: How Criminals Modify PDFs to Steal Money (opens in new tab)

Originally published at htpbe.tech. The version on htpbe.tech stays in sync with the latest detection algorithm — refer to it for the canonical text. Invoice fraud is one of the fastest-growing cybercrimes targeting businesses today. According to the FBI Internet Crime Complaint Center, business email compromise (BEC) attacks — which often involve modified invoice PDFs — resulted in losses exceeding $2.7 billion in 2022 alone. These attacks are sophisticated, targeted, and devastatingly effec...