Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c4dc9de53dd511b…

MALICIOUS

PDF

3.2 KB
MD5: 63979071267f6729a4d1ac2c6dbbf0c4 SHA-1: 77479ae4f99e8c762191fbfb08f92c57d68a316c SHA-256: 3c4dc9de53dd511be77a5b488b2b270bbf5eba825764eb9d6c38f81bae5cb565
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detected this file as Pdf.Exploit.Agent-36121, suggesting it's a known exploit. The embedded JavaScript is likely responsible for executing the malicious payload, although its specific actions are not detailed in the provided evidence.

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
57b1619dd3a117a6463d769903f7414fcf087ff2e8ddbc33357c645faed5a188		 pdf-javascript-stream PDF /JS object 7 at offset 0x9C5 474 bytes

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