Affiliate Marketing Secrets

I received a check a few days ago that had my name on it. The check was from
Connecticut General Life Insurance Company Cigna. It had about 2,800 written on it. I never was affiliated with any type of insurance company or nothing. Also, they had paid 5.70 in shipping it to me. Someone did this and wanted me to wire the money over seas to a charity. I deposited it with concern…the bank is now holding it for 7 days…so is it a real check or false? Also, the person that sent me this was in Texas and I live in Alabama.