PDF files, even with extra encryption, could be easily hacked, a team academics has found. The new attack, called PDFex, comes in two variations and in testing, it was successfully able to steal data ...

You can combine multiple PDF files into one document using basic software. Mac users can use the Preview app to combine their PDF files into one document. PC users ...

PDF files can be weaponized by malicious actors to steal Windows credentials (NTLM hashes) without any user interaction, and only by opening a file, according to Assaf Baharav, a security researcher ...

Metadata is like a "digital ID card" for each PDF file; it contains core information about the document, such as the title, ...

Japan's computer emergency response team (JPCERT) is sharing a new 'MalDoc in PDF' attack detected in July 2023 that bypasses detection by embedding malicious Word files into PDFs. The file sampled by ...

Most of us take PDF files for granted. Years ago, Adobe created a universal file format with their Acrobat software that produced documents which could be opened on PCs, Mac and Unix/Linux computers.