Malicious PDF — malware analysis report

Static analysis result for SHA-256 806e43275709579b…

MALICIOUS

PDF

99.7 KB
MD5: 202fd4246bc42acfd2df1a61732f7fc1 SHA-1: 654a33e8de3c6f107f417c613ef05123753322a6 SHA-256: 806e43275709579b10e9412c7f80bfda6d47b642d54c4fd6c402f5807ef5496b
116 Risk Score

Malware Insights

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

The PDF file exploits CVE-2010-0188, a vulnerability in Adobe Reader's handling of XFA forms, to execute a payload. The embedded script, likely JavaScript given the XFA context, is designed to leverage this exploit. While the specific payload and its ultimate goal are not fully detailed, the exploit itself indicates a malicious intent 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
847e1063766c9e332efbc5ffac14682f861c89c5278af326bf8140ee2d649ae9		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 101341 bytes

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