I'm sorry to hear about your experience. I've checked and the job you're referring to has been taken down because it was in violation of Upwork TOS and action has been taken on the client account.
Please, check this help article for more information on how to use the flag option found on each job post or message to report any suspicious or inappropriate content. Also, check out this post for more tips on how to avoid questionable jobs.
Please, be careful not to share any private or sensitive information with clients on Upwork. All the information needed to hire and pay you via Upwork is available on your profile. We'd also like to use this opportunity to remind that offering and accepting payments off Upwork is a violation of Upwork ToS. Upwork requires all payments to go through our platform and offers Upwork Payment Protection for both hourly and fixed-price contracts.
Thanks for reporting this to us. I checked the job you are referring to and it looks like it's already been canceled for violating Upwork TOS. You'll notice that the Message room with the client has also been archived. Please, check out the tips in this post to make sure you stay safe and protected while working on Upwork.
Also, please check this help article for more information on how to use the flag option to report any inappropriate content.