Malicious PDF — malware analysis report

Static analysis result for SHA-256 0705fd02259b8dc2…

MALICIOUS

PDF

78.8 KB
MD5: 3014af3f603eaf57254aabcf6866e7f7 SHA-1: 377a93bad8e6b9a2d6baa64e6254c34751b40de8 SHA-256: 0705fd02259b8dc2cf33ca7ae126e9fef8687a21fa7fd25ca567ced69ddfc305
116 Risk Score

Malware Insights

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

The PDF sample contains embedded content and triggers the CVE-2010-0188 exploit, which is known to target Adobe Reader's LibTIFF component. This exploit is designed to achieve arbitrary code execution. While no specific malicious script was directly extracted, the presence of an embedded file and the critical exploit firing indicate a high likelihood of a secondary payload being downloaded and executed.

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
cf1e80d8de36c5980c0cc174c4292d7cfe2af936440ac56180435e54f7ef3c68		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 79995 bytes

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