Speak to your manager about it. Be prepared to speak to legal about it.
Not doing so - even if you don't do what they're asking - is possible grounds for disciplinary action if discovered later, e.g. these people are caught bribing others, their files are gone through, and your name pops up as somebody they approached and it's realised you kept quiet. At that point you may have damaged the trust your employer has in you.
The advice here to tell your employer and law enforcement is such an awful idea. They're more likely to target you and suspect you coordinated with them even if you didn't. HR and legal isn't there to help you - they're there to help the company.
I know a person who is literally from a third world country. And he operates some Florida based cosmetic shops virtual assistance effort. They have a 30 member team operating day and night doing something shady.
People often underestimate how successful the successful dropshippers are.
What you're getting paid at Amazon has the dimension of money/time; a bribe is presumably just money. We need to know the time period to reasonably compare the two :). Otherwise it's like saying "the distance to city is much larger than the speed of my car".
$100k is a very tidy sum in India. Even $10k isn't pocket money.
This is why those labelling the comments about Indian outsourcing as racist as missing the point. Outsourcing significant business operations to developing countries makes corruption and hostile interference really really cheap - and therefore far more likely.
Not doing so - even if you don't do what they're asking - is possible grounds for disciplinary action if discovered later, e.g. these people are caught bribing others, their files are gone through, and your name pops up as somebody they approached and it's realised you kept quiet. At that point you may have damaged the trust your employer has in you.