How to edit PDF invoice?

I just purchased the PDF invoice plugin. It creates a different invoice, it's not like the standard invoice. Where can I edit the PDF invoice?

You can edit the plugin from by modify the files :
yourwebsite/plugins/hikashop/attachinvoice/attachinvoice.php
yourwebsite/plugins/hikashop/attachinvoice/attachinvoice/invoice.php

But the plugin should be quite similar to the standar invoice, what are those differences you mentionned ?

Thanks for the information. I also found www.hikashop.com/forum/2-general-talk-ab...nvoice-pdf-logo.html

The differences aren't very big, it just did me realize it's different. So I had to know how to edit the PDF invoice, because editing the normal invoice doesn't make sense anymore after start using PDF invoice. That's all.

Thanks for you feedback and sharing the solution! It will definitely help people around there