Malicious PDF — malware analysis report

Static analysis result for SHA-256 77ad3e5d929f1ca7…

MALICIOUS

PDF

8.3 KB
MD5: 07ae034a991ee63d6a71de5c04c4d19d SHA-1: 410ad26687381ebb1417f75a0d8a77f9080d9ddc SHA-256: 77ad3e5d929f1ca7f347f484c2e1a7093317a6c6a1aef82eb3e6896a8979c077
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 JavaScript/Shell Script Execution: JavaScript

The PDF file contains embedded and obfuscated JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. ClamAV also flagged the file as malicious due to obfuscated objects. The primary attack vector appears to be the execution of this JavaScript, likely to download and run a secondary malicious 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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