Malicious PDF — malware analysis report

Static analysis result for SHA-256 7dcb8d4a40605870…

MALICIOUS

PDF

24.1 KB
MD5: 267aa684e3da95af1ac4368916478b34 SHA-1: 5abef03799c1fadaf1fd2f8a165e553d90a9d125 SHA-256: 7dcb8d4a406058704734f3c8209310f1ce48621f68228f04797685b83f4a23d3
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The file is a PDF document identified as malicious by multiple heuristics, including a critical finding for CVE-2010-0188, which is an exploit targeting Adobe Reader's XFA forms. The ML classifier also strongly indicates maliciousness. The embedded URL is likely related to the XFA template, but its direct maliciousness is unknown. The document body contains obfuscated JavaScript-like code that is likely part of the exploit chain.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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-36821 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36821
  • 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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