PDF malware analysis — malicious · 77d0c1f333561294

MALICIOUS

PDF

28.6 KB

MD5: 571b4b40575709ad53060f43ebe02103 SHA-1: 0f9d37dbd237206fde1008e897379e98cd30be9a SHA-256: 77d0c1f333561294cf2cef83e7fb1a315a051989f5675b2ff86ef54b73bdd42c

200 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The file is a PDF that triggers critical heuristics for CVE-2010-0188, an Adobe Reader exploit targeting XFA forms. This exploit is designed to execute arbitrary code, which is often used to download and run additional malicious payloads. The presence of an embedded URL, though benign in this case, is typical for such exploits.

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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