Malicious PDF — malware analysis report

Static analysis result for SHA-256 a67d52a672fba9dc…

MALICIOUS

PDF

100.5 KB
MD5: 4e89e8021a917cedc00906335a5d8d49 SHA-1: de990d9442cca1175f562d1e0b24dd41c07f0910 SHA-256: a67d52a672fba9dcd9e2ec71fd40345b7c0dc1e3f5cd53a51d2a5ef116bec188
88 Risk Score

Malware Insights

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

The PDF file contains an embedded script payload and triggers heuristics related to XFA forms and embedded scripts, indicating a malicious exploit. ClamAV detection confirms this, identifying it as Pdf.Exploit.Agent-6136306-0. The embedded script is likely responsible for downloading and executing a second-stage payload, though its exact functionality is obscured by 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_00000246.bin
9cb791f2b235557d49f648d4c4110e601dcd7e50ee8a1f802cc914068cd2578e		 pdf-embedded-script PDF raw stream script payload at offset 0x246 102152 bytes

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