Malicious PDF — malware analysis report

Static analysis result for SHA-256 1b1156ce11ab6651…

MALICIOUS

PDF

12.2 KB
MD5: 4cdd4c3f1e3b1a6d366707da6f0becec SHA-1: d58c9f4382b51f93c26d0d9fac5a2a748aa77246 SHA-256: 1b1156ce11ab6651a984943338e357cce78c40986eb7ce0b9ec0d6c850863978
76 Risk Score

Malware Insights

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

The PDF contains embedded JavaScript, indicated by heuristic firings for PDF_JAVASCRIPT and PDF_JS. ClamAV detection as Win.Trojan.Agent-36281 further confirms its malicious nature. The embedded JavaScript is likely responsible for executing the malicious payload, though 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
33a9c7c4e0c9dc28c0954a8e203faca4c98cbb6ac5e7059d72d3b09c788a1a66		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11413 bytes

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