Malicious PDF — malware analysis report

Static analysis result for SHA-256 362bfeb93924bfae…

MALICIOUS

PDF

99.9 KB
MD5: 67e454e81eef46445fa21c673665d34e SHA-1: a713526b377774045934de11b043a1f1486e77da SHA-256: 362bfeb93924bfae940e1a577a50d35500c06118774f6ba3f3f60b8c037b2629
136 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: Malicious PDF T1059.007 Command and Scripting Interpreter: JavaScript

The PDF file exploits CVE-2010-0188, a vulnerability in Adobe Reader's handling of XFA forms. The embedded script payload within the XFA form is designed to execute malicious code. While the exact nature of the payload is not detailed, the exploit and embedded script strongly indicate an attempt to compromise the user's system.

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
1ca148ff71ab9053854faa7348af5b49e69736241432f01420890d4a816d8754		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 101575 bytes

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