Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e51289853f5cc57…

MALICIOUS

PDF

99.7 KB
MD5: ac81d67ceb2619e57cdbd8f0ee2df113 SHA-1: 1be960e92b7eb2df6f8c1c4cfbf57c3648e2509e SHA-256: 5e51289853f5cc576b1d5315fcd910e884db27594d6c12cf0a31156e9931590b
116 Risk Score

Malware Insights

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

This PDF file is identified as malicious due to the critical CVE-2010-0188 heuristic, indicating an exploit for Adobe Reader's LibTIFF XFA component. The presence of embedded script payloads and an embedded file further supports malicious intent. The exploit likely facilitates the execution of a secondary payload, though its specific nature and origin are not detailed in the provided evidence.

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
570d1555c854e720f3174be7a756c9cf3ba8b1e5965e3577973b22a22c96bcaa		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 101345 bytes

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