I usually assume that any conference that needs to send
unsolicited invitations to a graduate/medical student (or anyone really) is sketch. I constantly get generic template emails that are some variation (usually with worse grammar and more ego stroking) of "Dr./Prof (lol) sErISaNo, We read your
fantastic paper X in the
very prestigious journal Y. We would
love to have you speak at conference Z . We're offering discounted registration, free hotel, etc...". The conferences are always short, in a desirable city but ****ty hotel, small (yet somehow incredibly broad), and run/managed by some company that puts on dozens of these conferences per year, often in totally unrelated fields. They probably aren't fake or a scam exactly, but they are not really "real" either. They're put on because people will pay to pad their resumes.
You might be interested in
this article. A journalist actually went to one of these conferences, interviewed some of the attendees and someone on the scientific committee, and wrote about the whole experience. Long story short, the conference was real and even had some big names involved. But, it was poorly run and organized and half the speakers bailed at the last minute.
So anyway, looking at the website, this conference really checks all the (bad) boxes. It probably isn't exactly "predatory" in the same way a journal might be (fake peer review, pay-to-publish, made-up editorial boards). Instead you'll get a phoned-in attempt at a conference that isn't associated with any society or institution. There might be a poster session, but everything is accepted. There may be good speakers, but who knows because, as you can see, they just spam invitations to anyone. I bet they advertise coffee breaks and some sort of certificate for talking/attending. You're better off presenting a talk or poster at your local society meeting or school research day/symposium. You'll save money and no-one will think you're trying to pull a fast one (even if it's still a bit of padding).