Malicious PDF — malware analysis report

Static analysis result for SHA-256 fdda538a5f78fb7b…

MALICIOUS

PDF

12.2 KB
MD5: 8c884038703f81e9f6dd7ddff9b2f282 SHA-1: a14415d32acbe46cddeac8741d1529134bee1ccb SHA-256: fdda538a5f78fb7b7110731fd78095598595e4027135cc6d1ea80e0f3e736769
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings related to PDF JavaScript actions and streams. ClamAV also detected the file as malware, specifically 'Pdf.Malware.Agent-7670934-0'. The embedded JavaScript is the primary mechanism for malicious execution, likely serving as a downloader or exploit loader.

Heuristics 3

  • ClamAV: Pdf.Malware.Agent-7670934-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Malware.Agent-7670934-0
  • 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
4ed5b81e786111058c2f595650a5bcd7aff274efc6f708d42cbd57bd838e976b		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11417 bytes

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