Malicious PDF — malware analysis report

Static analysis result for SHA-256 f04ae1b4d450538e…

MALICIOUS

PDF

5.7 KB
MD5: b4218da6aacd70b6c22d63d4496d0971 SHA-1: fd95b60d0d325e093f8b17ec378789e70e4d6627 SHA-256: f04ae1b4d450538e7befe340a831a7f53755dac9febad4a9a2ad8c4a267368aa
106 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: Malicious JavaScript

The PDF file was flagged by multiple heuristics, including ClamAV's detection of an obfuscated object name and a machine learning classifier indicating a high probability of maliciousness. The presence of embedded JavaScript actions and streams strongly suggests an attempt to execute malicious code upon opening the document.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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.