That 5%~ is being received from newly minted Venus coins (XVS$). This will slowly go down.

The 60% APY is received from staking that pair into a farm pool (similar to yield farm WLEO).

What beefy does is automatically harvest the rewards and sell them for more BNB-ETH (which is automatically staked).

For that reason the returns are that high, but you have to adapt continually.