Malicious PDF — malware analysis report

Static analysis result for SHA-256 47ac104071fdc8dc…

MALICIOUS

PDF

3.6 KB
MD5: d2fed047808ab105378b70bcf16e2eba SHA-1: 788435c89f27462136d398423419feec55a8bcc1 SHA-256: 47ac104071fdc8dcaa162458e5e3207293656d5025a779b207db03dc53b3bb9b
106 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 User Execution: Malicious File

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for obfuscated objects and a high ML score indicating maliciousness. The presence of embedded JavaScript actions and streams strongly suggests that the PDF is designed to execute malicious code upon opening, likely leading to the download and execution of a second-stage payload.

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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