Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e54bdc369bdb35f…

MALICIOUS

PDF

90.8 KB
MD5: a1f44d89097a5948212b2c6a75e63d4f SHA-1: 900fe474aa6b3d94f0c09990f5fdb4986821df0f SHA-256: 0e54bdc369bdb35f6b38fc371bfff22c223325ab4e190f137f7a17d638b7e939
168 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.007 JavaScript

This PDF file is identified as malicious due to the critical heuristic firing for CVE-2010-0188, an exploit targeting Adobe Reader's LibTIFF component. The embedded JavaScript, though obfuscated, is likely responsible for executing the exploit. The ML classifier and ClamAV detection further corroborate the malicious nature of the file, indicating it's designed to compromise the user's system.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188
    PDF contains the CVE-2010-0188 exploit template: XFA JavaScript heap-spray setup, a generated TIFF image payload, and assignment of that TIFF data to an XFA image field rawValue to trigger Adobe Reader's LibTIFF parser.
  • ClamAV: Pdf.Exploit.Agent-6136306-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-6136306-0
  • XFA form low PDF_XFA
    PDF uses XML Forms Architecture — can contain script logic
  • Embedded script payload in PDF stream low 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.
  • 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_0000023e.bin
8047d13c96daff33f9eb7fd9b4eb39800a0bb031ed37ff4899f9db3c4fc9b44c		 pdf-embedded-script PDF raw stream script payload at offset 0x23E 92287 bytes

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