In order to get pawoo.net data mining instance blocked on your side you can try to block it's IPs on OS firewall or web server side.
Example for nginx (used right now, 2 quiet days already): add to your root location or to location where requests to PHP are processed:
deny 54.65.204.188;
deny 52.192.64.238;
You can get IPs for domain on Linux with this command:
dig A pawoo.net