The characters like ☆are encoding errors (mojibake) often seen in automated spam.

These links often lead to fake login pages designed to steal your Telegram or bank credentials.

the account or post where you found this string.

This appears to be a or a bot-generated string typically found in comment sections, file-sharing sites, or social media metadata. 🚩 Key Red Flags

Ending a text string with .mp4 is a tactic used to trick users into clicking, thinking they are opening a video file. ⚠️ Common Risks