Engaging in fraudulent activities can lead to criminal charges, including hacking, fraud, or cybercrime.
Any software or service claiming to automatically generate or add funds to your PayPal balance is a scam designed to steal your money, personal data, or compromise your device. The Reality of "Money Adder" Software
Your stolen personal information can be used for long-term financial fraud beyond just your PayPal account. Legitimate Ways to Add Money to PayPal
PayPal actively monitors for suspicious activity; using unauthorized software is a direct violation of their Terms of Service , leading to immediate account termination and loss of existing funds.
Some free versions simply collect your email address to sell to spam networks. Consequences of Using Such Tools