An advertiser on DailyBitcoins.org is offering "Earn 0.1 BTC for making forum post", and contact chromaticcreative@gmail.com

When I contacted them, I got the following email:
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From: Casper Cehng Tsz Chun <caspercat1997@gmail.com>

Greetings!

Thanks for showing your interest to our offer. This offer is for whoever owns a BitcoinTalk account. As we need to check if you are qualified for this event, you need to provide us a user ID of BitcoinTalk.
You can know your user ID by logging in to your account>profile>Additional information>Show General statistics for this member>Copy the URL. The user ID will be http://bitcointalk.org/.......u=;...... .

Please copy your user id and go to http://chromaticcreative.net/bitcoin/mega/uid.php?u=

Wish us a good partnership.

Casper

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It seems my forum user ID number is not something they need for legitimate purposes, and this might be a type of phishing (obtaining private information by social engineering).  I would like to hear from forum experts what you think.