Malicious PDF — malware analysis report

Static analysis result for SHA-256 001fdb1b02699a12…

MALICIOUS

PDF

99.9 KB
MD5: ad037a9081274c22517bc633b2ea9d43 SHA-1: 0ad8ca00c509ced1d380a2f87a8a9efddf429395 SHA-256: 001fdb1b02699a12a7e62a7de32f61fb527a6a1e267f639643bee3424177c470
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious Attachment T1566.001 Phishing: Spearphishing Attachment T1204.001 Malicious File: User Execution: Malicious Link T1190 Exploit Public-Facing Application

The PDF file contains embedded content and triggers a critical heuristic for CVE-2010-0188, indicating an exploit targeting Adobe Reader. The ML classifier strongly flags this as malicious. The embedded file and XFA form suggest a delivery mechanism for a secondary payload, likely exploiting the identified vulnerability.

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 script payload in PDF stream medium 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 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 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
e089c4f1c4ab781af7f7f8d96b1fe65554fed35506cd7f2ac228b0f6899f8262		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 101536 bytes

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