Malicious PDF — malware analysis report

Static analysis result for SHA-256 09dca9c7502f0731…

MALICIOUS

PDF

24.1 KB
MD5: aa7e99add05e7cf910be3edd63c6f780 SHA-1: fd9019c78075ea9d8f416195f428b45bf238d4a6 SHA-256: 09dca9c7502f07319aacd04c15f058db8d06367bc4ccc53d7bddb4b2db286e86
160 Risk Score

Malware Insights

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

The sample is a PDF file identified as malicious by multiple heuristics, including a critical finding for the CVE-2010-0188 exploit targeting Adobe Reader's XFA forms. The ML classifier also strongly flagged the file. The embedded URL, while benign in reputation, is associated with XFA templates, further supporting the exploit vector. The exploit likely serves to download and execute a secondary payload.

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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