New users posting spam with links in Collective discussions - Meta Stack Overflow

I have noticed a huge influx in spam posts, especially in the discussion section of the PHP collective. Most follow a similar format, with big headers at the top and then a link at the bottom. They

SecPod Blog

Moderation Strike: Stack Overflow, Inc. cannot consistently ignore

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Lightning fast light clients for the future of Ethereum · Devcon

Getting Stack Overflow like Title field on other Stack Exchange

Malignant Intelligence?

Why is this answer that does not even have a link spam or

GitHub - samliew/SO-mod-userscripts: Stack Overflow Moderation

Can't post question on Stack Overflow - 'this looks like spam