There is no such transaction - ef3a763cb884a19af6231c0595af4b25ee2edd3b16454e1ef14f48a6d3e74c5f.

Neither in the tx pool nor in the blockchain.
Check it by yourself.

Your link is bullshit from MG cache.
Don't trust it.
Polo support show it to you to steal your coins.
That's it.

Trust your daemon, your finger and your eyes.