This token has a variable tax function on the smart contract - which allows contract owners to change tax rates post deployment. Do your own research and be careful if you are trading this token.
The PHENIX is a community-driven cryptocurrency project. Aiming to start with a fair launch, the team did not make ICO and token sale. Instead, to attract the community, developers included a taxation model into the smart contract. Therefore, every token transfer triggers a 10% deduction. Then these funds go to the burning wallet, to existing token holders, and the liquidity pool.