Malicious PDF — malware analysis report

Static analysis result for SHA-256 189dc7589cbf2892…

MALICIOUS

PDF

129.8 KB
MD5: 48456e2d208c1af19d084d6c4ff4a368 SHA-1: ff9235ffcf5701b0c29bcd0456ba95dcf92bb8b2 SHA-256: 189dc7589cbf28928706221f0e013ac115161007b55e3e9634218cb5d2074aae
106 Risk Score

Malware Insights

MITRE ATT&CK
T1059.007 JavaScript T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The file is a PDF containing embedded JavaScript, identified by multiple heuristics and ClamAV as malicious. The JavaScript is likely used to exploit a vulnerability within the PDF reader to execute arbitrary code. The ML classifier strongly supports a malicious classification.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36388 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36388
  • JavaScript action low PDF_JAVASCRIPT
    PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.