Malicious PDF — malware analysis report

Static analysis result for SHA-256 b690d58c9163c82f…

MALICIOUS

PDF

12.6 KB
MD5: 766883a5c805440ff6a67becc058f244 SHA-1: 0bd7123c39a6c34808081ecbc84a42d6773e4ecc SHA-256: b690d58c9163c82f13405108a6b4a1656776c32712d369c86625d6ebc45743bf
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, identified by heuristic firings for PDF_JAVASCRIPT and PDF_JS. ClamAV also detected the file as Win.Trojan.Agent-36280. The embedded JavaScript, named javascript_obj0076_000.js, is likely responsible for downloading and executing a secondary payload, which is a common technique for malware delivery.

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
23b749688889d72132739ef2c7ced66e0599e9340566742c199746080c5d8a23		 pdf-javascript-stream PDF /JS object 76 at offset 0x383 11767 bytes

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