Win.Trojan.Agent-36281 — PDF malware analysis

Static analysis result for SHA-256 862bfc02d612a287…

MALICIOUS

PDF

12.6 KB
MD5: b3a4eab11d689b51e2b3823834faa881 SHA-1: c1331a70dd8a7f1f84dae0508f5797f4091ea53b SHA-256: 862bfc02d612a287ca6e3fc2e388b8e5692a1835da199f89d4fe2ae48ce0734b
106 Risk Score

Malware Insights

Win.Trojan.Agent-36281 · confidence 99%

MITRE ATT&CK
T1059 Command and Scripting Interpreter

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection identifying it as Win.Trojan.Agent-36281. It contains embedded JavaScript, which is a common technique for delivering malicious payloads. The ML classifier also provided a very high score, indicating a high likelihood of malicious intent.

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
133917be7df62940233a76dcb1cc928f8dda920b25303ed9ca16d6560ea4f79d		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11806 bytes

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