Here are a few ways to approach this depending on what you found:
Files containing "ph" or "f" combined with mp4 might be a deceptive phishing link disguised as a video file. phinF14699mp4
Based on the identifier , this appears to be a specific filename or code, often associated with phishing, malware, or specialized digital marketing tracking. Here are a few ways to approach this
If it came via email, report it to your IT department or the email provider as phishing. If this is a marketing or content ID: often associated with phishing
Run Windows Defender or Malwarebytes immediately.