Recently I come across some forums where people are asking questions about receiving Adsense payment in Paypal account. I researched a lot on this topic and found no solution for that as PayPal is online payment processor, not a bank. Adsense have several payment options depending on your country, but PayPal is still not supported by Google, you can receive your AdSense payment via bank, western union or by Cheque if you still want to receive Adsense payment in Paypal than the following hack may be helpful for you.
First search for any virtual bank account provider in your country, many companies provide virtual bank accounts in USA and UK such as Payoneer, register with them and they will provide you bank details, put those details in your Adsense account and you will receive your Adsense payment in virtual bank account, then transfer that payment to PayPal, Paypal accepts wire transfers and there will be no problem in that, This is the only hack you can do to receive your Adsense income via Paypal.
TIP: I can help you for free, just ask me a question on the forum and I will be happy to answer.