Malicious PDF — malware analysis report

Static analysis result for SHA-256 6979a9f27d4a01be…

MALICIOUS

PDF

78.8 KB
MD5: 6071ab7153322f5da80872870c203411 SHA-1: 65fc2d736743727e9b42ccce260e5ba74057dd38 SHA-256: 6979a9f27d4a01be91a81ddc6e8d018f4f73cee7c8c668a86e4f783ffe8b43a5
116 Risk Score

Malware Insights

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

This PDF document is identified as malicious due to the critical CVE-2010-0188 heuristic, indicating an exploit for Adobe Reader's LibTIFF component. The presence of an embedded script payload and an embedded file further supports its malicious nature. The exploit likely facilitates the execution of a secondary payload, though the specific contents of the embedded file and script are not detailed enough for further analysis.

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
6d857dfbfb6fdd99545825ff935b6ea686be9c6f5563d189cdcb9710facc3e06		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 79968 bytes

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