Malicious PDF — malware analysis report

Static analysis result for SHA-256 ebe27ddecd80980e…

MALICIOUS

PDF

79.1 KB
MD5: 4cdfb55da7b4ad46e905cd71a85be698 SHA-1: 3529e322c64ba131fb335c959518a4baab09d7a7 SHA-256: ebe27ddecd80980e63941bc8dce3cbd33fb91d188ad4771edb970d21accc90d0
148 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious PDF T1566.001 Phishing: Spearphishing Attachment

The PDF utilizes XFA forms, a known vector for exploitation, and contains an embedded script payload. ClamAV detections indicate it is a malicious PDF exploit, likely Agent-6136306-0. The embedded script is the primary mechanism for delivering the malicious payload, though its exact function is obscured by the PDF structure.

Heuristics 5

  • ClamAV: Pdf.Exploit.Agent-6136306-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-6136306-0
  • ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV
    ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
  • 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_0000023e.bin
cee4e7ea22fad4ece28583eb7d18df2b845d3d36860984cee208983e268862bd		 pdf-embedded-script PDF raw stream script payload at offset 0x23E 80301 bytes
Detection
ClamAV: Pdf.Exploit.Agent-36769
Obfuscation or payload: unlikely

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