Malicious PDF — malware analysis report

Static analysis result for SHA-256 68325eeaba664c35…

MALICIOUS

PDF

99.7 KB
MD5: afdddcd7e33247ea227bb0eaa07d8571 SHA-1: 4730f9f6c292392a37196c56e08b25e7f6a86ed2 SHA-256: 68325eeaba664c359d1840b89f13c84448b9c7d0ef5145afea8a0f332b8f23e1
116 Risk Score

Malware Insights

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

This PDF document exploits the CVE-2010-0188 vulnerability in Adobe Reader, which is a critical finding. The XFA form structure and embedded script payload indicate an attempt to execute malicious code. The primary goal appears to be the exploitation of this known vulnerability to achieve code execution, likely for downloading and running a secondary payload.

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
8537fb285e1b6f8162353756ec840df66a46ca1c0a780d9480c91b11cabd2b4e		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 101359 bytes

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