Yeah I also think it’s a 3D render. The chromatic aberration, the shadows, the specular reflection of the metal, the lack of camera sensor noise; something about the lighting just looks off.
It looks way too consistent to be a composite image of some kind.
I’m guessing the recruiter made a text post and then looked for an “eye-catching” surgical tool image to make the post stand out.
Why would they directly send you an image with a recruitment message? Because they were lazy and just copied their recruitment post from elsewhere?
Not OP but my posture is improved and I move a lot more, so don’t end a day of work feeling stiff.
If you actually check the number of posts/comments on that site against what you see visiting the subreddit, it looks like those stats are no longer accurate.
What is “evidence of bad ambient occlusion”?