Malicious PDF — malware analysis report

Static analysis result for SHA-256 da0ddaa509fcdee2…

MALICIOUS

PDF

12.3 KB
MD5: 2ba38975f986cc4d7852f2f774056c42 SHA-1: a6412adf95522187fcc71c70062082c22eec1109 SHA-256: da0ddaa509fcdee28bc17f1625b6300254ed31f10de3292e363fde3cd8eb908d
108 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Exploit.Agent-36723' and a high ML score. It contains embedded JavaScript, indicating an attempt to exploit vulnerabilities within the PDF reader to execute malicious code. The embedded JavaScript is likely responsible for the exploit execution.

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
f520d48c0c38b894b31b788f46c2ff0dd7f83fdabd4b00f5216c22fa8d4df4f5		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11538 bytes

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