MALICIOUS
168
Risk Score
Malware Insights
MITRE ATT&CK
T1203 Exploitation for Client Execution
T1059.007 JavaScript
The sample is a PDF file that contains embedded XFA (XML Forms Architecture) content. Heuristics indicate a critical vulnerability exploit (CVE-2010-0188) targeting Adobe Reader's handling of XFA forms. The embedded script, which appears to be JavaScript, is likely responsible for triggering this exploit and downloading a secondary payload, though its exact functionality is obfuscated.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188PDF 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.
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ClamAV: Pdf.Exploit.Agent-6136306-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Exploit.Agent-6136306-0
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XFA form low PDF_XFAPDF uses XML Forms Architecture — can contain script logic
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Embedded script payload in PDF stream low PDF_EMBEDDED_SCRIPT_PAYLOADPDF 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.
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Embedded URL info EMBEDDED_URLOne 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://www.xfa.org/schema/xfa-template/2.5/
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
embedded_pdf_script_00000359.bin668b4b6ba60c53dac1a1f4923844b378a1337df6a99bc61ad93bac1605805720 |
pdf-embedded-script | PDF raw stream script payload at offset 0x359 | 12173 bytes |
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