Malicious PDF — malware analysis report

Static analysis result for SHA-256 f738616d0d712beb…

MALICIOUS

PDF

82.7 KB
MD5: 59378f2b5650eddcfa0296688760add4 SHA-1: 5b85e9c1f7163e63d53d11c08ee40f40ea9acaaf SHA-256: f738616d0d712beb99d8731976f6253afb729a84d0764936d2036e52ec504396
148 Risk Score

Malware Insights

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

The file is identified as malicious by ClamAV with multiple critical detections, specifically 'Pdf.Exploit.Agent-6136306-0' and 'Pdf.Exploit.Agent-36769' on an extracted artifact. The presence of an XFA form and an embedded script payload within the PDF stream indicates a likely exploit attempt to deliver a secondary malicious payload. The embedded URLs are confirmed benign or unknown, providing no direct IOCs.

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
2a5d0df9eb8fb35ec421a56987063fa73685c6c9338300ca651dd11507aa62a3		 pdf-embedded-script PDF raw stream script payload at offset 0x246 83925 bytes
Detection
ClamAV: Pdf.Exploit.Agent-36769
Obfuscation or payload: unlikely

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