Malicious PDF — malware analysis report

Static analysis result for SHA-256 3cd70aee62da2380…

MALICIOUS

PDF

12.6 KB
MD5: 37d5b666b4192cf6cb78ed1a32999fc0 SHA-1: dc3afd26b5e6c6a05496d99533bdcebda4e79581 SHA-256: 3cd70aee62da23801a5abe587bde0c5512aefbb5f54aa93043749e3a07715e24
106 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Exploit.Agent-36723'. It contains embedded JavaScript, indicating an attempt to execute malicious code upon opening. The ML classifier also strongly indicated maliciousness. The primary attack vector appears to be exploiting a PDF vulnerability to run embedded JavaScript.

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
4b922c4fc318bda95545ff2ae1a473f0534283c88cef00349fcc1f5a72e6cc24		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11754 bytes

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