Malicious PDF — malware analysis report

Static analysis result for SHA-256 0017c7069493a4f6…

MALICIOUS

PDF

99.8 KB
MD5: e392fcbf74092b8c0a418ded9ce6f277 SHA-1: 5c60752d81222e7c1f1c85bc3d621bfd5ccfe381 SHA-256: 0017c7069493a4f6e472113cd44e68ace53bbb0d61f1f5e49df5869cc7613537
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.001 Malicious Link: Malicious Link T1204.002 Malicious Link: Clickjacking T1059 Command and Scripting Interpreter T1190 Exploit Public-Facing Application

The critical heuristic firing for CVE-2010-0188 indicates that this PDF is designed to exploit a known vulnerability in Adobe Reader. The embedded file and script payload markers further suggest that the exploit is used to deliver and execute additional malicious content. The ML classifier strongly supports the malicious nature of this file.

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
a244204841878a801d8e4ddae885133ceee690a79b7f5c7f75b22f39b339b74c		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 101412 bytes

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