Malicious PDF — malware analysis report

Static analysis result for SHA-256 ab6338845852b807…

MALICIOUS

PDF

12.7 KB
MD5: 99b849b0a883095b7aa772f83918e361 SHA-1: 13712575e11354081cdcd256ac7eca9b24011573 SHA-256: ab6338845852b807bcf2c27349fbb282b84a8ef3701edff8b80efd010bc9d068
106 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a high-severity ML classifier and ClamAV detection identifying it as Win.Trojan.Agent-36281. It contains embedded JavaScript, which is often used to download and execute further malicious content. The primary IOC is the ClamAV detection name.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Win.Trojan.Agent-36281 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Agent-36281
  • 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
da9f65752c8b7db6385ecaae0f4c66d47f4af16704d3b644ff609c072db352a4		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11908 bytes

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