Malicious PDF — malware analysis report

Static analysis result for SHA-256 88a3cd522773ed38…

MALICIOUS

PDF

9.8 KB
MD5: f0063ddf8d664cfe62cc844945ab0fb3 SHA-1: eea41f1f83e5655e18d150a8876051062f60993d SHA-256: 88a3cd522773ed3883402cf75aed96220375af6d3b09638989fb5cecd09ecb61
108 Risk Score

Malware Insights

The PDF file was flagged as malicious by both ClamAV and an ML classifier. Heuristics indicate the presence of embedded JavaScript, a common technique for exploiting PDF vulnerabilities and delivering malicious payloads. No document body text was available for further analysis.

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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