It's a pure ponzi.

1DXxLzocfWXTHVYv4MTai4LLtXZgcJDknZ is the payout address. 1AFjgfnUhAYp4eh2GhbbLkCXY5xK25qJmQ  is the recipient of a payout from that address.

https://blockchain.info/address/15VtSFggB1UkVT6zEVneDGYJV7H6AJcacW

1AFjgfnUhAYp4eh2GhbbLkCXY5xK25qJmQ sends 0.04 BTC to 15VtSFggB1UkVT6zEVneDGYJV7H6AJcacW which sends 0.0399 BTC to 1DXxLzocfWXTHVYv4MTai4LLtXZgcJDknZ which sends 0.0005295 BTC back to 1AFjgfnUhAYp4eh2GhbbLkCXY5xK25qJmQ.

Edit:

According to WalletExplorer, 1DXxLzocfWXTHVYv4MTai4LLtXZgcJDknZ, 1HR8oRzocY7PVu1CyKmne2z8BBQyyr8p1C and 19g9exzmtJ2sQbBBB3x2PiY9pReVCm8HqA all belong to the same wallet (block chain analysis also confirms that).

As you can see in the image below:



1HR8oRzocY7PVu1CyKmne2z8BBQyyr8p1C sends to 1BXZ68nofhfHusikEy5GCUDSWkiokdugyQ which sends to 19g9exzmtJ2sQbBBB3x2PiY9pReVCm8HqA and 19JTLtBSZWoHAbaaC6ymWT89hm7kbz8cWd.

19JTLtBSZWoHAbaaC6ymWT89hm7kbz8cWd then goes on to send funds to Eobot.