Malicious RTF — malware analysis report

Static analysis result for SHA-256 57ba35ea642bd679…

MALICIOUS

RTF

43.3 KB Created: 2017-11-06 15:26:00 First seen: 2017-11-13
MD5: 97e80eae88a66828d685731f3764773a SHA-1: 02c5858c56f04e1e43ef820ac21009d433654e8b SHA-256: 57ba35ea642bd6794882809fee0112ad0a61f7f15cfcef9c9358834c020a0982
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 known vulnerability for client execution. The exploit targets the URL http://wizkiddz.xyz/order/htasydney.hta, which is likely to host a malicious HTA payload. The presence of the OLE object and the weaponized URL strongly indicate a malicious intent to download and execute a secondary stage.

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://wizkiddz.xyz/order/htasydney.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_off00002759.bin rtf-objdata-decoded RTF \objdata at offset 0x2759 4664 bytes
SHA-256: 56267e8159f8d18fb52ff000d2f05e595473f71fc41ccaeb1cbd847f0924fa0d

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