Malicious PDF — malware analysis report

Static analysis result for SHA-256 d55291521ddc1384…

MALICIOUS

PDF

79.3 KB
MD5: 80a816b364724cf17b30e54349d6205a SHA-1: d09309443f9c6ab82391aeb1018491e6998b1eb4 SHA-256: d55291521ddc138469383e1110eb1b0c7ad49c26d9d1058c46c30ca07bb85abd
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 XFA form heuristics, indicating an exploit attempt. ClamAV detection as 'Pdf.Exploit.Agent-6136306-0' further confirms its malicious nature. The embedded script is likely responsible for downloading and executing a second-stage payload, although 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_0000023c.bin
b2ffce6ce3a47b9f25a41c2a8471c8212b6498a752d23404f57c473335482bd5		 pdf-embedded-script PDF raw stream script payload at offset 0x23C 80536 bytes

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