Malicious PDF — malware analysis report

Static analysis result for SHA-256 3456b029a0dfdf1f…

MALICIOUS

PDF

99.7 KB
MD5: 327356668dd5cdcfc950856ad093f1c8 SHA-1: 71417f3a408b736cbdc81948f5c64640c57124e4 SHA-256: 3456b029a0dfdf1f763d3ec5397a5813986be4da9a6f19d81d52dce2f7ec91e6
116 Risk Score

Malware Insights

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

This PDF file exploits the CVE-2010-0188 vulnerability in Adobe Reader, which is a critical finding indicating client-side code execution. The presence of XFA forms and embedded script payloads further supports this. While no specific malware family is identified, the exploit is designed to download and execute a secondary payload, making it a high-risk threat.

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
04d1f521342ce90049cafa9a966d49a4ca5ed17b5e2c63e4dc4da83fcd90d996		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 101336 bytes

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