Upvote:4
Just from the top of mind:
You could be refused a visa. You could be banned from that country. You could be refused visas and banned from other countries. You could be arrested in your country and go to prison.
Upvote:7
When the country you are applying to finds that the documents are fake, following things can happen.
Any number of things can happen. So, please don't do that. If you think you cannot get visa in current circumstances, get an expert in immigration law for advice.