Malicious PDF — malware analysis report

Static analysis result for SHA-256 d27cee59eae9f22d…

MALICIOUS

PDF

94.1 KB
MD5: 7fcd4a87d0472f7f150920f393632747 SHA-1: 395027b14e601b3a2aaf39b8fe7845997b715da3 SHA-256: d27cee59eae9f22d2f04e1ea432e6aee8bf926919d6538fa26bcf2ed5e67a6a8
148 Risk Score

Malware Insights

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

The file is a PDF document containing an embedded script payload, as indicated by the PDF_EMBEDDED_SCRIPT_PAYLOAD heuristic and ClamAV detections. The embedded script is likely responsible for exploiting a vulnerability within the PDF viewer to execute malicious code. The XFA form detected suggests a complex structure often used to hide malicious content.

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_00000246.bin
07bb6cee6e951f8621e4d9490042755598f097e70079f8cc3e8df0af6d02ed23		 pdf-embedded-script PDF raw stream script payload at offset 0x246 95642 bytes
Detection
ClamAV: Pdf.Exploit.Agent-36769
Obfuscation or payload: unlikely

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