Malicious PDF — malware analysis report

Static analysis result for SHA-256 409213800036220e…

MALICIOUS

PDF

45.3 KB
MD5: 3daa7c3c88e34d0078ce87e79552bf87 SHA-1: bfd552dd7368f8c2cbe2c319328e8e95ae667ce7 SHA-256: 409213800036220eea2be2f89ad5a9758f51893911fd350743512d6d2543b91b
84 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 JavaScript/JScript T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT and PDF_JS. The ClamAV detection for 'Heuristics.PDF.ObfuscatedNameObject' further suggests malicious intent. While the document body is unreadable, the presence of JavaScript points to an attempt to execute code, likely for downloading a secondary payload. The embedded URLs are not directly indicative of malicious activity but are included as potential indicators.

Heuristics 5

  • ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
  • 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.
  • XFA form low PDF_XFA
    PDF uses XML Forms Architecture — can contain script logic
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://ns.adobe.com/xdp/
    • http://www.xfa.org/schema/xci/2.6/
    • http://www.xfa.org/schema/xfa-template/2.6/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0012_000.js
3ec914fd7a08f81a17b87ed94c3945fb31f79c58b57c64a913378c0f9157e0a7		 pdf-javascript-stream PDF /JS object 12 at offset 0xA1F3 3741 bytes

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