Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee1d47ba59868c46…

MALICIOUS

PDF

78.8 KB
MD5: 23a478a6bfe4b22ee7e0593b7572bc1e SHA-1: a5c3b5ad7f685322fe230dff46bba2299b763b2b SHA-256: ee1d47ba59868c46fe4e0c2458a12067374c797f0f2127fba3634b5b56b8ff9a
138 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution

This PDF file exploits CVE-2010-0188, a vulnerability in Adobe Reader related to LibTIFF XFA image processing. The heuristic firings indicate the presence of an embedded script payload within an XFA form, designed to be executed upon opening the document. This exploit likely leads to arbitrary code execution, characteristic of a document-based exploit delivery mechanism.

Heuristics 6

  • 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.
  • XFA form contains executable script high CVE related PDF_XFA_SCRIPT
    PDF embeds an XFA form whose dataset contains a <script> or <xfa:script> block — XFA scripting has been the exploit primitive for several Adobe Reader RCEs (CVE-2010-0188 family, CVE-2018-4901, and others). Plain XFA without scripts is far less risky.
  • 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
f8303b65eab8f7dcb6b186cc766632d770fa944a3b36ec59395b19d270f9854f		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 79913 bytes

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