MALICIOUS
161
Risk Score
Malware Insights
MITRE ATT&CK
T1203 Exploitation for Client Execution
The RTF file contains embedded OLE object data, specifically triggering the Equation Editor CLSID. The presence of \objupdate indicates that the embedded object is designed to be automatically activated upon opening, leading to exploitation. This pattern is commonly associated with delivering a malicious payload via a known Equation Editor vulnerability.
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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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_off00000040.bin4eae751dbe323a47d4e77a048b140606e3a5d31b2afd2d6ab0a870d863a8a96e |
rtf-objdata-decoded | RTF \objdata at offset 0x40 | 4643 bytes |
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