Malicious PDF — malware analysis report

Static analysis result for SHA-256 84e46d0b981aa77a…

MALICIOUS

PDF

6.2 KB
MD5: 2cb6613fe83ba7bece9c814765456923 SHA-1: 25d53d998055f1ba2eb1526f4c2eb2005e2f7655 SHA-256: 84e46d0b981aa77a32601de1ea625ec9a1ba9c156cc1d14983b2ba58f6abe29a
106 Risk Score

Malware Insights

MITRE ATT&CK
T1059.007 JavaScript T1566.001 Spearphishing Attachment

This PDF file contains embedded JavaScript, flagged by multiple heuristics including a critical ClamAV detection for obfuscated objects. The ML classifier also strongly indicated maliciousness. The embedded JavaScript is likely intended to execute malicious code upon opening the document, a common technique for delivering further payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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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