Pulsif.zip

The core of the exploit lies in a manipulated file header. The attacker crafts the ZIP file to lie to security software, claiming the contents are uncompressed (STORED) when they are actually compressed using the DEFLATE method. When a security scanner reads the header, it attempts to scan the "uncompressed" data, but only sees what looks like random, harmless bytes. How the Attack Works

Because the ZIP header is malformed, nearly 95% to 98% of common antivirus engines fail to detect the malware hidden inside during the initial scan. Pulsif.zip

Once extracted by the custom loader, the payload—which can include credential harvesters, ransomware, or webshells—executes on the victim's system. Why It’s Dangerous The core of the exploit lies in a manipulated file header