Malicious PDF — malware analysis report

Static analysis result for SHA-256 a86d05d91dc41e0e…

MALICIOUS

PDF

3.2 KB
MD5: 5f90d357711950d6ff8fd5adefdaacf5 SHA-1: 852f549924d9eac89b80004c030f334948e314be SHA-256: a86d05d91dc41e0e32207a0949e1aada88e18d67e09820e8e9d8084652a17b21
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, as indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detected this file as Pdf.Exploit.Agent-36121, suggesting it exploits a known PDF vulnerability. The embedded JavaScript is likely responsible for executing the malicious payload.

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
a6fccb4899063f507373569312431e6ee01a4d5fcc89c93cace2358b2fa0d3e5		 pdf-javascript-stream PDF /JS object 7 at offset 0x9C4 495 bytes

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