Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e8c3998bb69cd71…

MALICIOUS

PDF

79.2 KB
MD5: 7e8590e8b9f998185d6627087bc400a0 SHA-1: feb0162e7c6c6c23e707a9237e7160133ffb1a32 SHA-256: 6e8c3998bb69cd71563e19a6a1fcfb544e7f4a0eeb2b1472a734b35558c5bf69
116 Risk Score

Malware Insights

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

This PDF file contains an embedded XFA form that exploits the CVE-2010-0188 vulnerability in Adobe Reader. The exploit payload is embedded within the XFA stream and is designed to execute arbitrary code. While no specific download URL or secondary payload was directly extracted, the exploit's nature strongly suggests it's used to download and execute further malicious content.

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
4bcf125e5175f608d54f2313d5bf16dbcc971c357e7948e599152da902fbabc0		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 80333 bytes

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