Malicious PDF — malware analysis report

Static analysis result for SHA-256 a57b46d27ff6781a…

MALICIOUS

PDF

12.7 KB
MD5: 54350937ce92a4946f36ba092e95de38 SHA-1: fc7c222921a24bf6a072cc064e154f0059ba1b81 SHA-256: a57b46d27ff6781a6731ba79df20f4e3119cbf18495e701a099ffb76ac0bc977
76 Risk Score

Malware Insights

The PDF contains embedded JavaScript, indicated by multiple heuristic firings. ClamAV also detected the file as Win.Trojan.Agent-36281. The embedded JavaScript is likely intended to download and execute a second-stage payload, a common technique for malware delivery.

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
41fa0488a06e9f53c4a9540ffa84939f64241f0fd9a3d7ea599b18406856fbec		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11899 bytes

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