Malicious PDF — malware analysis report

Static analysis result for SHA-256 892e835ad8390f2b…

MALICIOUS

PDF

9.7 KB
MD5: d81d5bfc55532c75c52c0e1254e1027c SHA-1: b2d251ebced659d88534de139ba04500518685d6 SHA-256: 892e835ad8390f2b09e959e75db1b503c6364aa4fb695e1ac08050e4d548db4f
108 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file was flagged as malicious by ClamAV and an ML classifier. Heuristics indicate the presence of embedded JavaScript, suggesting an attempt to exploit a PDF vulnerability. The specific exploit or payload is not detailed, but the presence of JavaScript points towards code execution.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • ClamAV: Pdf.Exploit.Agent-24027 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-24027
  • 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.
  • PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED
    The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PSSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.

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