MALICIOUS
168
Risk Score
Malware Insights
MITRE ATT&CK
T1203 Exploitation for Client Execution
T1059.007 JavaScript
The PDF sample contains embedded XFA (XML Forms Architecture) data which is known to be vulnerable to CVE-2010-0188. The embedded script, identified as JavaScript, likely contains shellcode to exploit this vulnerability. The ML classifier and ClamAV detection strongly indicate malicious intent, with the primary attack vector being exploitation of a client-side vulnerability.
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.binba85ca872101422c7648c34e1d203b98a5b883ae9258ead0294f5dfeb0a64898 |
pdf-embedded-script | PDF raw stream script payload at offset 0x359 | 15885 bytes |
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