MALICIOUS
160
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The file is an RTF document that contains embedded OLE objects, specifically triggering critical heuristics related to Equation Editor. This strongly suggests exploitation of a known vulnerability within the Equation Editor component, likely CVE-2017-11882, to achieve arbitrary code execution. No document body text or scripts were provided, but the presence of the Equation Editor exploit is a clear indicator of malicious intent.
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 2 \objdata section(s) — embedded OLE objects
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
objdata_00_off00001a10.bin73d5e3a27b3302574a24d06ddfb254e0cbf284ba6cc33306255078422e076666 |
rtf-objdata-decoded | RTF \objdata at offset 0x1A10 | 3661 bytes |
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