Malicious PDF — malware analysis report

Static analysis result for SHA-256 9db35dfd8733323d…

MALICIOUS

PDF

100.7 KB
MD5: 52c0acbbf0e2a17ab38c900179187756 SHA-1: 99798e0b89834037edb8d749a8b913e402132504 SHA-256: 9db35dfd8733323db7ebfd28ed9b6689aa99193f9c4c7e9dc4d2904ee06cd117
88 Risk Score

Malware Insights

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

The PDF file contains an embedded script payload and utilizes XFA forms, which are known vectors for exploiting PDF vulnerabilities. The ClamAV detection 'Pdf.Exploit.Agent-6136306-0' strongly suggests exploitation of a known PDF vulnerability. The embedded script is likely responsible for downloading and executing a second-stage payload. The confidence is reduced due to the lack of specific script content for detailed analysis.

Heuristics 4

  • ClamAV: Pdf.Exploit.Agent-6136306-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-6136306-0
  • Embedded script payload in PDF stream medium PDF_EMBEDDED_SCRIPT_PAYLOAD
    PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
  • 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/xfa-template/2.5/
    • http://www.xfa.org/schema/xfa-data/1.0/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_pdf_script_00000246.bin
5e2b68e44fa7bc6f7ef99f62a3fe5b43de521a529656f5cd2997e451459d89ec		 pdf-embedded-script PDF raw stream script payload at offset 0x246 102345 bytes

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