Malicious PDF — malware analysis report

Static analysis result for SHA-256 a974d8f643ce7675…

MALICIOUS

PDF

12.3 KB
MD5: 4f69f448b9cd894f18e2bda02998d42c SHA-1: bf4a3b23f134f8c943053dda7164c3d5818e458a SHA-256: a974d8f643ce7675bc3bc0f1c2bf75e0f2471fbe2c55c80932bd52f284f6c016
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.007 JavaScript

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings. ClamAV detection confirms the malicious nature, identifying it as Win.Trojan.Agent-36281. The embedded JavaScript is likely responsible for the malicious payload execution, although its specific actions are not detailed in the provided evidence.

Heuristics 3

  • ClamAV: Win.Trojan.Agent-36281 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Agent-36281
  • 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_obj0076_000.js
db01d724ed89bcf128fd4729e37f7f383b0b68fd921c2a339f4ea06fd32b822d		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11531 bytes

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