I doubt many banks would refuse a charge-back considering this transaction obviously didn't use 3DSecure since it went through PayPal. You'd probably get your PayPal account shutdown if it went through though.
If the money left your account because you did a thing, even if you did the thing because you were defrauded, a bunch of banks are going to decline to repay you.
> New protection for individuals tricked into transferring money to fraudsters has now taken effect - but not all banks are signed up to the scheme.
> Some 84,000 bank customers lost money - sometimes tens of thousands of pounds - last year after being caught out.
> Only a fraction of the amount lost was refunded by banks. Now a new code should mean more will be reimbursed.
> The refund will come from a central pot in cases when neither the bank nor the customer are to blame.
See especially this bit:
> Some of the more elaborate frauds see the con-artists using social media and other avenues such as data breaches to gather information about their victim, making it more likely that potential victims believe they are genuine.
> In all these cases, the individual authorises the payment. Banks have often refused to refund these frauds as a result.
Here's news about a new protection scheme in the UK. But this is new (only came in last year), and it doesn't cover all banks. https://www.bbc.co.uk/news/business-48385426
> New protection for individuals tricked into transferring money to fraudsters has now taken effect - but not all banks are signed up to the scheme.
> Some 84,000 bank customers lost money - sometimes tens of thousands of pounds - last year after being caught out.
> Only a fraction of the amount lost was refunded by banks. Now a new code should mean more will be reimbursed.
> The refund will come from a central pot in cases when neither the bank nor the customer are to blame.
See especially this bit:
> Some of the more elaborate frauds see the con-artists using social media and other avenues such as data breaches to gather information about their victim, making it more likely that potential victims believe they are genuine.
> In all these cases, the individual authorises the payment. Banks have often refused to refund these frauds as a result.