What was the culprit?
Apparently Samsungs internet browser. It had been bugging me for months to read their legal update, and I just ignored it. I went into the settings and where I needed to go there was only an option that said "stop using Samsung internet browser". So I closed it and installed Brave.
Fishy behavior though. I've never seen a browser asking to open a 3rd party app to validate a form.
Very. I'll do a bit of research, and if deleting that browser won't fuck anything up on my phone, it is gone. Otherwise, it will get exactly zero usage from now on.
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