MALICIOUS
180
Risk Score
Malware Insights
MITRE ATT&CK
T1204 Malicious Link
T1059 Command and Scripting Interpreter
The sample is an RTF document containing OLE object data, specifically triggering heuristics related to Equation Editor vulnerabilities and OLE activation. The presence of ".objdata" and "Ole10Native" streams indicates embedded objects designed to be activated. The heuristic "SE_ENABLE_LURE" suggests the document prompts the user to enable content, a common lure for macro-based malware delivery. The attack likely involves exploiting the Equation Editor to download and execute a secondary payload.
Heuristics 5
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Ole10Native stream in RTF OLE object high RTF_OLE10NATIVE_STREAMRTF contains an embedded OLE object with an Ole10Native stream. This is a strong payload-container signal and is related to Word/OLE exploit delivery, but it is not specific enough on its own to assign a CVE.
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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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\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
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Macro/content-enable lure medium SE_ENABLE_LUREDocument instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
objdata_00_off00000e89.bin59e4346fb4bb067b2d9461c3e4108c47531adff9e81a9b87a79fa1d72e409e64 |
rtf-objdata-decoded | RTF \objdata at offset 0xE89 | 4276 bytes |
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