Because the initial file is a PDF, it can sometimes slip past basic email filters that scan for direct .exe attachments.
Inside that folder sits a malicious script or executable, often with a double extension like Invoice.pdf.exe or Invoice.pdf.bat . PDF Exploit.rar
The core of this attack is a flaw in how WinRAR handles archive structures. It allows an attacker to hide a malicious executable that runs automatically when a user simply tries to view a harmless-looking file. Because the initial file is a PDF, it
WinRAR Vulnerability Exploitation: Decode & Bolster Protection PDF Exploit.rar