MALICIOUS
220
Risk Score
Malware Insights
MITRE ATT&CK
T1203 Exploitation for Client Execution
T1068 Commonly Used Port
The sample is an RTF document that triggers CVE-2017-11882 via an embedded Equation Editor object. This is confirmed by the critical ClamAV detection and the presence of RTF_EQUATION_EDITOR and RTF_OBJAUTLINK heuristics. No scripts were extracted from this sample, but the exploit's purpose is typically to achieve remote code execution on the target system.
Heuristics 5
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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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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 2 \objdata section(s) — embedded OLE objects
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
objdata_00_off000014ac.bin4d338f847b6067d3f39b0708f77be958067d48d6c5f0ce15d0249e81c615707b |
rtf-objdata-decoded | RTF \objdata at offset 0x14AC | 4183 bytes |
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