Malicious PDF — malware analysis report

Static analysis result for SHA-256 b2c58062d0522c49…

MALICIOUS

PDF

3.2 KB
MD5: 0ec3fb4a4bc625504e4f757a522743b3 SHA-1: 3e5784a463f58e40221f5dbc2ac4323c081376d3 SHA-256: b2c58062d0522c49f403ce1bbb4e5f7d8b0f9ea512b440881bdbcafa0e3f3922
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 detection as 'Pdf.Exploit.Agent-36121' strongly suggests this is a malicious PDF exploiting a known vulnerability. The embedded JavaScript is likely responsible for the exploit execution, leading to a malicious payload delivery.

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
a79b63cdb9fbdfe3263c944dd187c0bb2b0a5e3f48c843113e07e0bfa959cb1c		 pdf-javascript-stream PDF /JS object 7 at offset 0x9C9 453 bytes

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