Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d5252d584868c95…

MALICIOUS

PDF

99.8 KB
MD5: 6616d33a0ef9e53724f518f7e60b5f9b SHA-1: ae530926d4dc9425f631fa3ba7ee26793a7b4255 SHA-256: 9d5252d584868c95b4384f8c2c573857755332b017b3e46f962f449128d3a0fc
136 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious File T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file contains an embedded script payload and triggers the CVE-2010-0188 exploit, which is a known vulnerability in Adobe Reader related to LibTIFF XFA image processing. This indicates the document is designed to deliver a malicious payload by exploiting this vulnerability. No specific malware family could be identified.

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
117476f67483d91d0e8f3f5e0a6f088d11db6f75e1c63cc3352e840969f7e458		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 101490 bytes

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