Man, I had almost the exact same thing happen—thought I was posted up all sneaky in the brush, but some dude beamed me like he had thermal vision and a sixth sense. Didn’t even get a chance to react, just *poof*, back to the lobby. At some point, you gotta wonder if it's pure skill or something extra.
If you're looking to even things out and move like a real ghost, might be worth checking https://cosmocheats.com/gray-zone-warfare-cheats-undetected-hacks-aimbot-wallhacks/  Smooth, no clunky nonsense—just what you need.