Just got a similar targeted promo - free gold status through September with no requirements.

Text: "You've been selected to receive free American Airlines AAdvantage® Gold status through September 7, 2018. You'll experience all the benefits of Gold status. Plus, we'll give you eight 500-mile upgrades just for registering — no strings attached. Sign up before you travel and no later than June 11, 2018."

Promotion code H158G.
Link: http://link.aa.com/r/B14ZU9/PRML93/X..._OAHVCQ2_H158G