MALICIOUS
80
Risk Score
Malware Insights
MITRE ATT&CK
T1203 Exploitation for Client Execution
The file is a Microsoft Word document exhibiting characteristics of a malicious exploit, including a NOP sled and a large slack space anomaly. The malformed document body and the presence of a NOP sled strongly indicate an attempt to exploit a client execution vulnerability.
Heuristics 2
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NOP sled detected high SC_NOP_SLEDFound 20+ consecutive 0x90 bytes
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OLE document has large unaccounted-for region high OLE_SLACK_ANOMALYOLE file is 81,156 bytes but its declared streams total only 16,486 bytes — 64,670 bytes (80%) live in unallocated sector slack. This is the canonical hiding place for pre-macro-era Office exploit payloads (XOR-encoded shellcode reached via a parser pointer-corruption bug in the document structure).
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