Malicious PDF — malware analysis report

Static analysis result for SHA-256 a1e4c400b10610d2…

MALICIOUS

PDF

101.0 KB
MD5: 50dc99a9fb69256682dfbe71e3267ab0 SHA-1: 56478dd7e164dfa1ff92f2483692ee9fbb1c4700 SHA-256: a1e4c400b10610d2b0cd32376e834f610a72658937a1020c2532fe4f7f3a23a6
88 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains an embedded script payload within an XFA form, as indicated by the PDF_XFA and PDF_EMBEDDED_SCRIPT_PAYLOAD heuristics. ClamAV also detected this file as Pdf.Exploit.Agent-6136306-0. The embedded script is likely responsible for executing the malicious payload, though its exact function 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_0000025e.bin
4871406c9649047a1e75adb15be3bab71850e74b70a0607c177a975ab7d1261e		 pdf-embedded-script PDF raw stream script payload at offset 0x25E 102711 bytes

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