Malicious PDF — malware analysis report

Static analysis result for SHA-256 cb25c5899f9136e7…

MALICIOUS

PDF

67.6 KB
MD5: 59fc6cfa4932eab7714787c548b9781b SHA-1: 0b8b30b54c464b144180b1e4c7c8c42a04638d57 SHA-256: cb25c5899f9136e7d2956f93812ba811077a06440e39cc9fff348b203590f583
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution T1566.001 Phishing: Spearphishing Attachment T1204 User Execution

The sample is a PDF file that leverages the CVE-2010-0188 exploit targeting Adobe Reader's LibTIFF component via XFA forms. This exploit is known to download and execute a second-stage payload. The embedded URL, while likely benign in this context, is associated with XFA templates and was extracted during analysis.

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.Dropped-78 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
  • 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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