Equation Editor object carries Ole10Native downloader shellcode

OLE_EQUATION_OLE10NATIVE_DOWNLOADER

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critical OLE_EQUATION_OLE10NATIVE_DOWNLOADER

What it means

Equation Editor OLE object contains Ole10Native shellcode with download and process APIs.

Why it fires

An embedded OLE object declares the legacy Equation Editor CLSID and its Ole10Native stream contains URLDownloadToFile plus process-launch API strings and a remote URL. These strings identify payload download and execution. No Equation Editor CVE is assigned unless the malformed Equation Native/MTEF primitive also matches.

Other Office heuristics

OLE_VBA_AFFINE_MSI_DOWNLOADER OLE_VBA_AUTOEXEC_FRAGMENTED_SHELL OLE_VBA_DESTRUCTIVE_WORKBOOK_SHUTDOWN OLE_VBA_BIDIRECTIONAL_MACROCOPY_REPLICATION OOXML_BRAND_LINK_MISMATCH_LURE CVE_2016_7262 POLYGLOT_OOXML_REL_COMMAND OLE_RAW_PCODE_CROSS_DOCUMENT_REPLICATION OLE_VBA_CROSS_WORKBOOK_REPLICATION OOXML_XLM_DANGEROUS_FN OFFICE_DEFAULT_PASSWORD_VBA_DROP_EXEC OFFICE_EMBEDDED_SWF EMBEDDED_OFFICE_CHILD_STATIC_TRIAGE OFFICE_EMBEDDED_MACRO_OBJECT OLE_EMBEDDED_EXE OLE_VBA_EMBEDDED_PE_DROPPER OLE_ENCRYPTED_AND_MALFORMED CVE_2017_11882_EQUATION_NATIVE_CMD_RELATED CVE_2017_11882 OLE_MTEF_NATIVE_CODE_STUB OLE_EQUATION_OLE10NATIVE_SHELLCODE OOXML_XLM_MACRO_IN_WORKSHEET OLE_XLS5_LAROUX_MACRO_VIRUS OLE_VBA_XLSTART_WORKBOOK_PERSISTENCE