The purpose is to identify a particular type of highly sophisticated fraud that appeared in a pay-per-click advertising program. The fraud targeted one advertiser only. The small spreadsheet with the fraudulent click data can be downloaded here.
Feel free to share the results of your investigations here.
The two questions are:
- Why are these clicks fraudulent?
- What type of click fraud is it?
You can check references such as our click scoring blog
to help you answer the questions.