Because this is a generic system-generated filename rather than a descriptive title, there is no single "useful post" associated with it. Files with these names are unique to the specific chat or channel they were shared in.
: If the video is a meme or a viral clip, you can take a screenshot of a clear frame and use a reverse image search to find the original source or discussion.
To help you find the context or the post you're looking for, you can try: