Then pop your main campaign, having fertilized the ground, so that it will have maximum impact, when many people will have been helped into forming a pre-opinion. That way, there will be little initial analysis into the veracity of the main campaign.
It’s right out of Eddie Bernays’ playbook, and is the way lots of advertising (and campaigning) is done when you have time and money.
As for who the target is, I am not speculating.
I know nothing about his history.