It looks like Google adsense account takes into account its own bot own other bot crawing activities as PV? The Google analytics shows normal 10s of PV, and adsense shows 1000s of... What I should do? Should I report to adsense team? As the CTR now is almost 0... Will I be priced out?
Check your logs to get a fix on precisely where all this traffic is coming from. If you can't see the traffic in your logs, let AdSense know about it.
Thanks Class, I am asking on Google Adsense help and believe I have to contact Adsense. The only scenario is people taking my Adsense code running it... Weird