Malicious PDF — malware analysis report

Static analysis result for SHA-256 f126669a6df46667…

MALICIOUS

PDF

12.4 KB
MD5: a2245fa758789fd77377fcd8cb5759ee SHA-1: 73fb41e446a1fa1fc0657c60980f1216f531b5fe SHA-256: f126669a6df4666704b41b962cae32a24d31361cf3275c0a153da139ad3f40e7
106 Risk Score

Malware Insights

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

The PDF contains embedded JavaScript, indicated by multiple heuristic firings and the presence of a JavaScript object. The ML classifier and ClamAV detection strongly suggest malicious intent, identifying it as Win.Trojan.Agent-36281. The embedded JavaScript is likely responsible for executing the malicious payload.

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
aae7fd62bec793b29cd4761d6c12bd54b0663e6eeba545e555fe1f1677f8ab86		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11575 bytes

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