Decrypting malicious PDFs with the key, (Mon, Jan 15th)

Sometimes malicious documents are encrypted, like PDFs. If you know the user password, you can use a tool like QPDF to decrypt it. If it’s encypted for DRM (with an owner password), QPDF can decrypt it without you knowing the owner password.

Article Link: https://isc.sans.edu/diary/rss/23239