Malicious PDF — malware analysis report

Static analysis result for SHA-256 09a8ec20f40af96e…

MALICIOUS

PDF

99.6 KB
MD5: 2a13452cd880d94cb443244cb3c5d221 SHA-1: fe69de0796125d359c8835c7974f845ffc298813 SHA-256: 09a8ec20f40af96ef9eb1cd3fd26a3c24c357cfb62317279489fd8726020ea32
116 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

This PDF file exploits the CVE-2010-0188 vulnerability in Adobe Reader, as indicated by the critical heuristic firing. The exploit likely serves to download and execute a secondary payload. While the embedded URLs are benign, the core functionality relies on the exploit itself. No specific family could be identified.

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
4bea68cbd49febeb1b152a4ff84a77dc8ef961f87aa1bb450a24c9706def659c
pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 101245 bytes