Malicious PDF — malware analysis report

Static analysis result for SHA-256 bef337bc32999182…

MALICIOUS

PDF

12.4 KB
MD5: 9e654c6beb15a17dad7b476d6514c2c8 SHA-1: 5a7b2fb98f3c6f3d68601732679b8e98076e9f09 SHA-256: bef337bc32999182d92d08381ee11b2e4d351168c11674025b04468c62c95d69
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' and a high ML classifier score. Embedded JavaScript was detected, indicating an attempt to execute malicious code upon opening the document. The primary attack pattern involves exploiting a PDF vulnerability to run this script.

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
e10b7f0c16ef9d908334aeb9097ac0deb6ecd4cfabdd45ebdcbe0db67161bf10		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11596 bytes

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