Malicious PDF — malware analysis report

Static analysis result for SHA-256 dfd44856ca441426…

MALICIOUS

PDF

97.3 KB
MD5: 71b82ab6693c3aa4ed3c98e632a4a466 SHA-1: ff474f0c11433a5e0fbfef671fc0e4ffb5853f67 SHA-256: dfd44856ca441426b52a16799e088c5b5f1373920e47908494502a7dae3ae1c3
88 Risk Score

Malware Insights

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

The PDF file contains an embedded script payload, indicated by the PDF_EMBEDDED_SCRIPT_PAYLOAD heuristic. ClamAV detection as 'Pdf.Exploit.Agent-6136306-0' strongly suggests malicious intent. The XFA form detected further points to a complex PDF structure often used for exploits. The embedded script is likely responsible for downloading and executing a second-stage 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
39e46653469b99e7f3bf378c72cb4d6cb40ab918fdbf8422b13bf8345f784feb		 pdf-embedded-script PDF raw stream script payload at offset 0x26C 98867 bytes

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