Malicious PDF — malware analysis report

Static analysis result for SHA-256 33743ee97deec1e8…

MALICIOUS

PDF

12.5 KB
MD5: 9377153d67eff5b00f2721c6b67aa652 SHA-1: afde87ef77558178abec0bcba56e9a802b1d1725 SHA-256: 33743ee97deec1e8a4b77daed91ffeb6890f21b941084b4b4b230ca0b863d244
76 Risk Score

Malware Insights

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

The PDF contains embedded JavaScript, indicated by multiple heuristic firings. ClamAV detection confirms this as malware, specifically 'Win.Trojan.Agent-36281'. The embedded JavaScript is likely responsible for the malicious behavior, potentially downloading or executing a secondary payload.

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
d5b135840a2721ec6c472a3477ccba214fd6c0a8eba875caef476c98a65fbdcb		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11702 bytes

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