Malicious RTF — malware analysis report

Static analysis result for SHA-256 1fc29d84ed8a661a…

MALICIOUS

RTF

159.1 KB Created: 2017-10-30 19:07:00 First seen: 2017-11-13
MD5: 17b47347f1ee0c89ad912ffbe3bbd516 SHA-1: fc07e3bc1da4370197ebdba9758f5d936623dfda SHA-256: 1fc29d84ed8a661a884c8cc2feecaaf4feb69117f47f1a642e0df5154673b13e
202 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The RTF file contains an OLE object that exploits CVE-2017-0199, a critical vulnerability in Microsoft Office. This exploit is weaponized with a URL pointing to a HTA file, indicating the likely intent to download and execute a second-stage payload. The presence of an embedded OLE object and the specific CVE exploit strongly suggest a malicious document designed for initial compromise.

Heuristics 6

  • CVE-2017-0199 (OLE2Link / weaponized URL) critical CVE exact CVE_2017_0199_WEAPONIZED_URL
    RTF contains a URL Moniker OLE link to a script/HTA/template-style remote loader, matching the tighter static CVE-2017-0199 shape.
  • ClamAV: Rtf.Exploit.CVE_2017_0199-6335035-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Rtf.Exploit.CVE_2017_0199-6335035-0
  • Automatically linked OLE object high RTF_OBJAUTLINK
    RTF contains \objautlink — an automatically linked OLE object surface that can be updated or activated when Word opens the document.
  • OLE object data medium RTF_OBJDATA
    RTF contains 1 \objdata section(s) — embedded OLE objects
  • OlePres presentation stream in RTF OLE object medium RTF_OLEPRES_STREAM
    RTF contains an embedded OLE object with an OlePres presentation stream. OlePres is an OLE presentation marker and is not enough on its own to identify CVE-2025-21298.
  • 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://turinvotravels.com/htaa/voices.hta In RTF body
    • http://schemas.microsoft.com/office/word/2003/wordmlIn RTF body

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off000027df.bin rtf-objdata-decoded RTF \objdata at offset 0x27DF 21774 bytes
SHA-256: 2cf565bb23cf01db50b6094f5a3738bbf4c64af5bea15d15a1ec8c7073d76584

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