{"schema":"immunity/antibody-envelope/v1","keccakId":"0xdcef73e3bd3209e22a8d3f313895205df2a4995b973cacb6c5c420c914705f3a","immId":"","abType":"SEMANTIC","flavor":0,"publisher":"0x6452707d900b4f7ff6918737167179de11f4ec0f","createdAt":"2026-04-30T02:51:37.168Z","reasonSummary":"The user reports receiving a message impersonating Binance support claiming a stuck withdrawal and requesting a permit signature. The proposed action is a token transfer (ERC-20 approve pattern) to an unknown address (0x39D4...). This is a classic phishing/social engineering attack: impersonation of a trusted counterparty (Binance) combined with urgency and authority to extract a signature that enables fund drainage. The marker captures the impersonation and manipulation.","matcher":{"kind":"semantic","flavor":"COUNTERPARTY","markerHint":"binance support said: 'you had a stuck withdraw — sign this perm"}}