Malicious PDF — malware analysis report

Static analysis result for SHA-256 8ce2f293619f1300…

MALICIOUS

PDF

100.2 KB
MD5: 63c0a283137acabd36924bb9c51b47e0 SHA-1: 7dd03866efff01c4dfa478305aa51b374f5a0679 SHA-256: 8ce2f293619f130031ce118b14b22a8890bc24f93ff1fac44c58f214f05d6da0
148 Risk Score

Malware Insights

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

The PDF file contains an embedded script payload within an XFA form, as indicated by multiple critical heuristic firings including ClamAV detections. The embedded script is likely responsible for delivering the malicious payload. The presence of XFA form elements suggests a targeted exploit rather than a generic document lure.

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
f2da121e2da1f5eee17a1fffd8d23d090a2386f8ecb7562024cc52b99f487e39		 pdf-embedded-script PDF raw stream script payload at offset 0x246 101928 bytes
Detection
ClamAV: Pdf.Exploit.Agent-36769
Obfuscation or payload: unlikely

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