Malicious PDF — malware analysis report

Static analysis result for SHA-256 9aa9e875aef17872…

MALICIOUS

PDF

12.8 KB
MD5: 6852df61101018029e21af42d61901fb SHA-1: 8d26cb1fe3513cdba7c45568948cfbeda8b86e07 SHA-256: 9aa9e875aef178720cf9b3914f7aef4ef10cd2385be03e55050f5bbb2f226a0f
88 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.002 Spearphishing Attachment

The file is identified as a malicious PDF by ClamAV with the signature Pdf.Exploit.Agent-6136306-0. It contains an embedded script payload within a PDF stream, indicating an attempt to exploit vulnerabilities. The presence of an XFA form further suggests a complex structure often used for exploitation. The embedded URL is likely part of the exploit chain.

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://www.xfa.org/schema/xfa-template/2.5/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_pdf_script_00000359.bin
67cdc239cec570614495f8712154a60ba1134137852025a722aff2741581aeaa
pdf-embedded-script PDF raw stream script payload at offset 0x359 12352 bytes