PDF malware analysis — malicious · 3403821287d78a29

MALICIOUS

PDF

28.6 KB

MD5: 2e6fd179f9b95f7ce637d9ad95f0208c SHA-1: 8ac70964d29a0c12c8fb766b2de241d7065d848c SHA-256: 3403821287d78a2996d98127ddc17a775e08b110eaf96a87d741797dc6c3d739

200 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The sample is a PDF file that contains an XFA form, which is known to be a vector for exploiting vulnerabilities. Critical heuristics indicate the presence of the CVE-2010-0188 exploit targeting Adobe Reader's LibTIFF component. This exploit is designed to achieve code execution on the victim's machine. The embedded URL, while not directly malicious in this context, is associated with XFA templates.

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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