You can upload the file (or the URL where you found it) to VirusTotal to see if it contains malicious code.
Be wary of sites that ask you to complete a survey or download a "codec" to view this specific file. How to safely identify the file
Content from a specific group or fan page (often related to K-pop groups like Girls' Generation or "Girls Forever" communities).
Files with generic names and specific numbers (like "484") are often used to disguise viruses or "click-wrap" malware.
