Malicious PDF — malware analysis report

Static analysis result for SHA-256 0f5e75fdd7717d67…

MALICIOUS

PDF

99.8 KB
MD5: 6120ac3ca6f21db36f5b4891d34f001a SHA-1: f0f4b08b52ba7a30401604c3a9584d4a74b65cbc SHA-256: 0f5e75fdd7717d6781a7c73e1fc4f204497f0830cef8cceeed1d6dcde35c8068
116 Risk Score

Malware Insights

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

The PDF sample contains embedded XFA form data and triggers the CVE-2010-0188 exploit, which targets Adobe Reader. This exploit is designed to execute arbitrary code, indicating the file's primary purpose is to compromise the user's system. The embedded script payload further supports the malicious intent, likely to download and execute a secondary stage.

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
bdf89c256f568a4acc248448787ab167d363e4860b460ca57fd2abcc0dbaeb41		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 101435 bytes

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