Malicious PDF — malware analysis report

Static analysis result for SHA-256 ff29daeffec581ee…

MALICIOUS

PDF

97.0 KB
MD5: ff25df2f1a79d6a3de6850efd9197768 SHA-1: 4a286b697d9ef8cd63155cbec9f91b387658e0bb SHA-256: ff29daeffec581ee40a1fd6aabd9d90548c025865e7886c2c5e34393f315667c
88 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious File T1566.002 Phishing: Spearphishing Attachment

The PDF file exhibits characteristics of a malicious document, including the presence of an XFA form and an embedded script payload. ClamAV detection confirms its malicious nature, identifying it as Pdf.Exploit.Agent-6136306-0. The embedded script is likely responsible for executing the exploit and delivering a secondary payload.

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_0000026c.bin
febf61b74b4177402de9e4aace08f1be071d62b938bf12d9b0cbcfe34b05d21a		 pdf-embedded-script PDF raw stream script payload at offset 0x26C 98657 bytes

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