Malicious PDF — malware analysis report

Static analysis result for SHA-256 28d931f346c9cb8c…

MALICIOUS

PDF

68.0 KB
MD5: 730635d5bc340c8aa5ac83707e5347a7 SHA-1: 1422c50955b760a6b3aef1a97bb889588bc58996 SHA-256: 28d931f346c9cb8c0da05dd98237de13d91ef70393a2d27e397413f9852cecc8
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.002 Spearphishing Attachment

The sample is a PDF document that leverages the CVE-2010-0188 exploit targeting Adobe Reader's XFA forms. This exploit is known to download and execute a second-stage payload. The embedded URL, while seemingly benign, is part of the exploit mechanism.

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/