Malicious PDF — malware analysis report

Static analysis result for SHA-256 09e7cf71ec526fc1…

MALICIOUS

PDF

99.9 KB
MD5: 8e7ec183f5c8bc7b1b914d627f228d6c SHA-1: 421b70a23dc5b7544d4ac7c8375c1309bc96b846 SHA-256: 09e7cf71ec526fc1614737f97921fe76f7e2e5fb46f97c5b9f79bad3fbdf326a
116 Risk Score

Malware Insights

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

This PDF document exploits the CVE-2010-0188 vulnerability in Adobe Reader's LibTIFF component, a known method for achieving arbitrary code execution. The critical heuristic firing confirms the exploit payload was extracted from the XFA form. While no specific family is identified, the exploit vector points to a malicious document delivered via spearphishing.

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
95206db1e8ac16930d7dfd2871d861c1558cf54b76d06f03046b1ef2c3a5a6dd		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 101551 bytes

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