Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0ecc41d6803c649…

MALICIOUS

PDF

12.2 KB
MD5: 7aa0adeadbac7d361ebc6eb646e4eec6 SHA-1: cbc03737a67485cfa1736345b3230ea641ff55a7 SHA-256: e0ecc41d6803c649f018b6a762acca0121ff01564b7380f9a7e7a1cc653a406d
78 Risk Score

Malware Insights

The PDF file contains embedded JavaScript, indicated by heuristic firings for PDF_JAVASCRIPT and PDF_JS. ClamAV also flagged the file as malicious due to obfuscated objects. The embedded JavaScript is likely used to exploit a vulnerability within the PDF reader to execute arbitrary code, a common technique for delivering further malicious payloads.

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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