Malicious PDF — malware analysis report

Static analysis result for SHA-256 92c8c0eb2874a27f…

MALICIOUS

PDF

12.0 KB
MD5: c20facd2461cca0140f80f4abbd94a3a SHA-1: f0e155455f54bd1f6267c115a5e7dbad4c64db93 SHA-256: 92c8c0eb2874a27ffee4c5cceff1de581b3f3d917c477ef6cb3e4656a2ea61e7
108 Risk Score

Malware Insights

The PDF file was flagged as malicious by both ClamAV and an ML classifier. Static analysis detected embedded JavaScript, indicating an attempt to execute malicious code. The obfuscated nature of the PDF, as suggested by the ClamAV heuristic, points towards an attempt to evade detection.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
  • 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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