Malicious PDF — malware analysis report

Static analysis result for SHA-256 c6f988570f445994…

MALICIOUS

PDF

12.3 KB
MD5: 06c5c1659ce0074cbdc766e2c333727e SHA-1: 467d6f3181d54d380ee5a2d38827fed80bdbd0d5 SHA-256: c6f988570f4459949512bb1af8b6c1b3d3d80f65362d6f3cf374f0eb653b7bff
106 Risk Score

Malware Insights

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

The PDF was flagged as malicious by multiple heuristics, including a high-severity ML classifier and ClamAV detection identifying it as Win.Trojan.Agent-36280. Embedded JavaScript streams were detected, indicating an attempt to execute malicious code. The primary attack vector appears to be leveraging JavaScript within the PDF to deliver a payload.

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
ea8b53a66bc6981be5ba0b44725e3c39870534e234fe4423e9b0d71eb0f9bd30		 pdf-javascript-stream PDF /JS object 76 at offset 0x383 11454 bytes

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