Malicious PDF — malware analysis report

Static analysis result for SHA-256 da80db0777a59301…

MALICIOUS

PDF

3.3 KB
MD5: 0cead66e36ce18805e8d428b6a069001 SHA-1: b37a47abd30ffb243f900ab0f0c77690ce9afd7d SHA-256: da80db0777a59301f11267e0f8c62b1dd7ae05bc50d709fa73a626cc22684067
106 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload, a common technique for PDF-based malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36121 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36121
  • 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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0007_000.js
9309b4b0d7bcbd60d20056dac0d1c1aabb1a00c5db64477b2fa109b5da8f2c4a		 pdf-javascript-stream PDF /JS object 7 at offset 0xA87 310 bytes

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