MALICIOUS
180
Risk Score
Malware Insights
MITRE ATT&CK
T1203 Exploitation for Client Execution
The sample is an RTF document that leverages the CVE-2017-11882 vulnerability in the Equation Editor component. This is a critical finding indicated by multiple heuristics and ClamAV detection. The exploit is designed to execute code, and while no specific payload or URL was extracted, the nature of the exploit strongly suggests a downloader or dropper functionality. The OLE object data further supports the exploitation vector.
Heuristics 4
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Equation Editor CLSID critical RTF_EQUATION_EDITOREquation Editor OLE CLSID found inside an OLE object — exploited by CVE-2017-11882 / CVE-2018-0802 / CVE-2018-0798
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ClamAV: Rtf.Exploit.CVE_2017_11882-6584355-1 critical CLAMAV_DETECTIONClamAV detected this file as malware: Rtf.Exploit.CVE_2017_11882-6584355-1
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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_off00001a3c.bin75847472ea1435d13f36d2bd9c9f8c1ecd294a332a21739a819bd0df27c9cff5 |
rtf-objdata-decoded | RTF \objdata at offset 0x1A3C | 4167 bytes |
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