Malicious PDF — malware analysis report

Static analysis result for SHA-256 b07cc722ab77a626…

MALICIOUS

PDF

99.3 KB
MD5: fe90e8a99be53e210d4db9bfb9e57ff9 SHA-1: 35b860c1ee0d70a98868247647b3af8732dd237e SHA-256: b07cc722ab77a626b1344f25ea6f56ce528fc27f37d6d61c0b992d2883f500f6
96 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.001 PowerShell

The sample is a PDF file that exploits CVE-2010-0188, a vulnerability in Adobe Reader related to XFA forms. This exploit allows for the execution of arbitrary code. The PDF also contains embedded artifacts and URLs, suggesting it's a delivery mechanism for malicious content. No scripts were extracted, limiting further analysis of the payload.

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 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
9fdb5f7af9f8be686b1e21df71c3fdd304d1973ef4dd173a3df3bbb5bdae1cae		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 100977 bytes

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