Malicious PDF — malware analysis report

Static analysis result for SHA-256 3941fcb2e032b53c…

MALICIOUS

PDF

111.2 KB
MD5: 69aa02a5b7169a3133e7affbf6a4bc03 SHA-1: 7d72ad3cda54e486dc4e7dd6d5697e2594af071e SHA-256: 3941fcb2e032b53c31759037a11a0e0282b15ec8e50bc3743ace7a378076954a
88 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 and utilizes XFA forms, indicating a malicious intent to exploit vulnerabilities. ClamAV detected this as Pdf.Exploit.Agent-6136306-0. The embedded script is likely responsible for delivering the malicious payload, although its exact function cannot be determined due to obfuscation.

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_0000026a.bin
10b352172775d8837bdebbe38d2a1481080fa91ea77ea79a0254328eeee217c3		 pdf-embedded-script PDF raw stream script payload at offset 0x26A 113191 bytes

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