Malicious PDF — malware analysis report

Static analysis result for SHA-256 537d33df648c9705…

MALICIOUS

PDF

27.9 KB
MD5: 7564442d5204337152d73dceb7dc87c0 SHA-1: a83f22c826e71224ddd3148bcc4629e0c6da9b07 SHA-256: 537d33df648c97051b09ece4c0f9bff9ada3c2635b5cd6458b3db287a84ab0ff
76 Risk Score

Malware Insights

The PDF file contains embedded and obfuscated JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV also flagged this as Heuristics.PDF.ObfuscatedNameObject, suggesting a deliberate attempt to hide malicious functionality. The primary attack pattern involves leveraging JavaScript within the PDF to execute an unknown payload.

Heuristics 3

  • 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.

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