It says I have 14 malware

Hello ~ Take a look here:

Recognize and avoid phishing messages, phony support calls

If you have clicked on any of these and given personal information or you Apple ID…take a look here:

If you think your Apple ID has been compromised - Apple ...

~Katana-San~

Where is it telling you this? can you send a screenshot?

I would probably say this a phishing scam

if your iPhone is not jailbroken then the message is a fake