MALICIOUS
200
Risk Score
Malware Insights
MITRE ATT&CK
T1203 Exploitation for Client Execution
T1566.001 Spearphishing Attachment
The RTF file contains an OLE object that is automatically linked and updated, indicating an attempt to exploit vulnerabilities. ClamAV detection confirms this, identifying it as Rtf.Exploit.CVE_2017_0199-6335035-0, which is known to exploit a remote code execution vulnerability in Microsoft Office. The primary attack vector is likely spearphishing attachment.
Heuristics 5
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URL Moniker in RTF OLE object high RTF_URL_MONIKER_RELATEDRTF contains a URL Moniker GUID in OLE object context, but no decoded remote target was confirmed. Treat as related OLE2Link attack-surface evidence rather than proof of CVE-2017-0199 exploitation.
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ClamAV: Rtf.Exploit.CVE_2017_0199-6335035-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Rtf.Exploit.CVE_2017_0199-6335035-0
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Automatically linked OLE object high RTF_OBJAUTLINKRTF contains \objautlink — an automatically linked OLE object surface that can be updated or activated when Word opens the document.
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\objupdate forces OLE activation high RTF_OBJUPDATERTF contains \objupdate — forces automatic OLE object instantiation when the document is opened, bypassing user interaction. Almost exclusively seen in Equation Editor exploit documents.
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OLE object data medium RTF_OBJDATARTF contains 1 \objdata section(s) — embedded OLE objects
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
objdata_00_off00000104.bin |
rtf-objdata-decoded | RTF \objdata at offset 0x104 | 2224 bytes |
SHA-256: 147cd98742af8396fd0feb58990bfcab8eb9d684d9ab0c4842e109b1ac356a4e |
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