49759.rar -

: When a user tries to open the PDF, WinRAR mistakenly executes a malicious script (often a .bat or .cmd file) located inside the folder instead.

: The attacker gains the ability to run arbitrary code on the victim's machine. Is it dangerous? If you have found this file on your system or in an email:

: The archive contains a file (e.g., document.pdf ) and a folder with the exact same name ( document.pdf —note the trailing space).

Ensure you are using version 6.23 or higher , which patches this specific flaw.