MALICIOUS
80
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious File
The file exhibits characteristics of a malicious document, specifically a large amount of slack space and a detected NOP sled. These indicators point towards an attempt to exploit a vulnerability, likely a buffer overflow, to execute arbitrary code. No specific family could be identified due to the lack of executable code or network indicators.
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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