Malicious PDF — malware analysis report

Static analysis result for SHA-256 1dc1edc3fdcdc324…

MALICIOUS

PDF

12.4 KB
MD5: df9e852e3d97798e763d98abc991a30d SHA-1: f3284b6732cdff4f16716d97ffe36fd77278cbe0 SHA-256: 1dc1edc3fdcdc3242e1b73c42d91c762cca2fe453dd532ceee41665eba4d7a8d
108 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV detection as 'Pdf.Exploit.Agent-36723'. It contains embedded JavaScript, indicating an attempt to execute malicious code upon opening. The primary attack vector appears to be exploiting PDF vulnerabilities to download and execute a secondary payload.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36723 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36723
  • 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
63054d55f281072daabf9a6d2764952ed9cede58b788385c7de777d10f3b5713		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11581 bytes

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