PDF malware analysis — malicious · 7cff45dd32980ca5

MALICIOUS

PDF

28.6 KB

MD5: 293b20d33e9428cd0f62b7871f314c97 SHA-1: e14a3ece74c41e0b0ccdf40a570bc6f4d6c122cc SHA-256: 7cff45dd32980ca54b5610a6bcf4069de7a746b20daccb55698eb3ae70f1df91

200 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The file is a PDF document that leverages an XFA form to exploit CVE-2010-0188 in Adobe Reader, a known vulnerability for client-side code execution. The presence of XFA form elements and the specific exploit detection strongly indicate malicious intent, likely to download and execute a secondary payload. The embedded URL, while seemingly benign, is part of the exploit structure.

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.
ClamAV: Pdf.Exploit.Agent-36825 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36825
XFA numeric character-table eval stager high PDF_XFA_NUMERIC_EVAL_STAGER

PDF 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.
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://www.xfa.org/schema/xfa-template/2.5/

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