Malicious PDF — malware analysis report

Static analysis result for SHA-256 6deb0274a8cbea9a…

MALICIOUS

PDF

99.7 KB
MD5: 4e31b0025e3bad4252e6e50076e08041 SHA-1: de17b68cfdcebfce34fd7140ede4cc23082ad4ec SHA-256: 6deb0274a8cbea9a0c5f8a003e2c25a23e0901e15c7fc73fc514295869b3a225
116 Risk Score

Malware Insights

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

The PDF sample contains heuristics indicating exploitation of CVE-2010-0188, a known vulnerability in Adobe Reader related to XFA forms. This exploit is designed to achieve code execution. While no specific malicious URLs or scripts were directly extracted, the presence of an embedded file and the critical exploit heuristic strongly suggest the PDF's purpose is 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.
  • Embedded file low PDF_EMBEDDED
    PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
  • 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_file_obj0008.bin
02ac7daf99fd428425f982a464b983887a2b9635c511b6f3cc97547e8a447427		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 101345 bytes

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