Possible scam?

Absolute scam. Apple will not notify you about closing your account. In a message Apple will always address you by your real name, never by your email address or Dear Customer. Also the sent-from address should be @apple.com or @itunes.com Additionally Apple does not send attachments.

Avoid phishing emails, fake 'virus' alerts, phony support calls, and other scams - Apple Support

Forward it as an attachment to reportphishing@apple.com

Definite scam. Apple knows your name, and will not refer to you as Dear Customer.

It is a phishing attempt. Do not respond. Do not divulge any personal or financial information. You can use the address below to forward the suspect email message, as an attachment to Apple.

reportphishing@apple.com

The link below has information to help identify fraudulent emails.

https://support.apple.com/en-us/HT204759