Malicious PDF — malware analysis report

Static analysis result for SHA-256 7110cf626f384f79…

MALICIOUS

PDF

99.8 KB
MD5: a54a52a83fab239eb01f778536e28675 SHA-1: ae40bbc86d62d4e62ce65995e982eddfe1c6e704 SHA-256: 7110cf626f384f79e13f2037488eb21e4ded8abe02df3376423418ca6409ccf4
116 Risk Score

Malware Insights

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

The PDF file exploits the CVE-2010-0188 vulnerability in Adobe Reader's LibTIFF component, allowing for client-side code execution. The embedded XFA form and script payload indicate an attempt to leverage this exploit. While the specific family is not identifiable, the exploit mechanism is clear.

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
9789866599704d0e052228a174715b6f2a14cd842e1781d3a6a43c790bdb7f65
pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 101415 bytes