Malicious PDF — malware analysis report

Static analysis result for SHA-256 760181ca114a67dd…

MALICIOUS

PDF

99.6 KB
MD5: 2fc9dc65f540f1b1075876e8d24ef235 SHA-1: 2dc4f4af0a23f170b63d37344ac442d494f677dc SHA-256: 760181ca114a67dd5534f1ae8b7a6cd9219faa961ffe689942bc8fcd086dbc68
116 Risk Score

Malware Insights

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

The PDF file contains an embedded exploit targeting CVE-2010-0188 in Adobe Reader's XFA forms. This exploit is designed to execute arbitrary code, which is often used to download and run additional malicious payloads. While no specific URLs for secondary payloads were extracted, the critical heuristic firing and ML classification strongly indicate malicious intent.

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
70afcda683419e46f151f17158b427c7ddd8b9903517932e11645140fb1804f6		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 101219 bytes

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