Malicious PDF — malware analysis report

Static analysis result for SHA-256 d86bfa0e17b52412…

MALICIOUS

PDF

3.3 KB
MD5: e3010b279225f1318651ce5b3c715baa SHA-1: 17576c87d403c641e33b5432fa1fb72417a6c36d SHA-256: d86bfa0e17b5241267636745788ed0b3a3e501c35cbbf287506178cda9843e84
108 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The PDF file was detected as malicious by ClamAV and a machine learning classifier. It contains embedded JavaScript, which is likely used to exploit a vulnerability within the PDF reader. The JavaScript action and embedded JS stream heuristics indicate that this script is intended to execute malicious code upon opening the document.

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
2bc95025fbfb8ebf32aa47452d58b624ce2f97ce0760d4f4140ab41100a651ad		 pdf-javascript-stream PDF /JS object 7 at offset 0xA87 367 bytes

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