Malicious PDF — malware analysis report

Static analysis result for SHA-256 39e57c4bff0f7adc…

MALICIOUS

PDF

97.3 KB
MD5: 92ac07f95ffc8e2e3291c975fe4d6eaa SHA-1: 2c82bce9c9a83ca48d423e350c9e8b2bb3399a0d SHA-256: 39e57c4bff0f7adc1bf12d2cff161a99d09acb3bde70f3c48c11d84f7db1822b
88 Risk Score

Malware Insights

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

The PDF file contains an embedded script payload and triggers XFA form heuristics, indicating it's designed to exploit vulnerabilities within the XFA form processing. ClamAV detection as 'Pdf.Exploit.Agent-6136306-0' further confirms its malicious nature. 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
3c7bb841600249fe202986e423e8c831166527ef0c2bb20ac41db6e6e98464db		 pdf-embedded-script PDF raw stream script payload at offset 0x26C 98867 bytes

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