Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d89ade385e0b91f…

MALICIOUS

PDF

12.5 KB
MD5: be81fca9860f2af625aa0153829fedc9 SHA-1: 50913b1c06d1767c924c0f0692dc1720de7ecedf SHA-256: 2d89ade385e0b91f6596ac8a81df5085e59fc6f4ae323dd1b0f1c86418065f19
106 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection identifying it as Win.Trojan.Agent-36280. Embedded JavaScript, detected at offset 0x12C and within a JS stream at offset 0x19A, strongly suggests the PDF is designed to execute malicious code. This script likely acts as a downloader for a secondary stage payload, contributing to the overall malicious nature of the document.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Win.Trojan.Agent-36280 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Agent-36280
  • 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
3d855a5be7ca68f5624a9d815461a3761d2949862c03ffe47319d63293df5d3e		 pdf-javascript-stream PDF /JS object 76 at offset 0x383 11712 bytes

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