Malicious PDF — malware analysis report

Static analysis result for SHA-256 8c0b661b0627d654…

MALICIOUS

PDF

45.5 KB
MD5: 78029a47b821b99665e3ed0ff8dd524f SHA-1: 216ce4e925d7fe25cebc66e3bcd0bc37a537531f SHA-256: 8c0b661b0627d65408330500308151d29a2c24b6fcf71b3b78935d9fda4bb942
84 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection 'Heuristics.PDF.ObfuscatedNameObject' strongly suggests malicious intent through obfuscation. While the document body is unreadable, the presence of JavaScript points to an attempt to execute code, likely for downloading further malicious content.

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
42712005153f6a5bcfe3e51cda906d40a6191c81597a51af6a3a63ed3d2a513a		 pdf-javascript-stream PDF /JS object 12 at offset 0xA1E8 3779 bytes

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