I recieved an email "suspicious transaction in you account" from appleid@service-account.com, is a fake?

I recieved an email "suspicious transaction in you account" from appleid@service-account.com, it looks real but they sent me a pdf saying I bought a "super mario run game" that I didnt buy and asking for my account, key, credit card.... it´s a fake? I wrote my email and key on that web, but when I read the number account gap I closed the web. It´s from Apple ID or do I have to change my key now???

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