MALICIOUS
168
Risk Score
Malware Insights
MITRE ATT&CK
T1203 Exploitation for Client Execution
T1566.002 Phishing: Spearphishing Attachment
The sample is a PDF file that leverages XFA (XML Forms Architecture) to deliver a payload. Heuristics indicate a critical vulnerability exploit, specifically CVE-2010-0188, which targets Adobe Reader's handling of LibTIFF images within XFA forms. This exploit is designed to achieve arbitrary code execution on the victim's machine. The embedded URL, while seemingly benign, is part of the XFA structure and could potentially be used in conjunction with the exploit.
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-36831 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Exploit.Agent-36831
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XFA numeric character-table eval stager high PDF_XFA_NUMERIC_EVAL_STAGERPDF XFA initialize script reads numeric form data from rawValue, maps the values through a short character table, and evals the reconstructed stage. This is an exploit-kit staging technique even when the final decoded layer remains encoded.
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XFA form low PDF_XFAPDF uses XML Forms Architecture — can contain script logic
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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/
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