Malicious PDF — malware analysis report

Static analysis result for SHA-256 8428b9070afba112…

MALICIOUS

PDF

12.5 KB
MD5: 7728227b033b22148c8902320da65f2b SHA-1: 9fe5466fd40335a7583e3566d7ea5d6257f0d2a1 SHA-256: 8428b9070afba112460fd2ed026ff533842b39095fdc67f6c06ff5fc4613a176
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by heuristic firings for PDF_JAVASCRIPT and PDF_JS. ClamAV detection as Win.Trojan.Agent-36281 confirms its malicious nature. The embedded JavaScript is likely used to exploit vulnerabilities within the PDF reader or download 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
a3532dd5c608588ac37d341410a8fa6f1c9c4ce920c4c120c66bfa77fa030b6f		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11720 bytes

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