Malicious RTF — malware analysis report

Static analysis result for SHA-256 8d2c393bc42e8579…

MALICIOUS

RTF

43.3 KB Created: 2017-09-14 04:51:00 First seen: 2017-10-10
MD5: 8b6b0dfc2fd6e12c0258d235b3b1a767 SHA-1: effa89a7d1c181e14828366fe9d3b6d1d2be0a02 SHA-256: 8d2c393bc42e8579790f04bd2ed78623a619538654861d6c02867a01f894c0af
202 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The RTF file contains an OLE object with an automatically linked URL, identified as exploiting CVE-2017-0199. This exploit is designed to download and execute a payload from the specified URL, which in this case is http://almahalliah.com/order/rfq.hta. The embedded HTA file is likely a second-stage downloader or payload.

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://almahalliah.com/order/rfq.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_off000026a1.bin rtf-objdata-decoded RTF \objdata at offset 0x26A1 4664 bytes
SHA-256: b22dc36a073c9e3f8d01899b1b85a915be4470c0e99be7ad57678baa5e6072ff

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