It is a social engineering attack that uses a "gift code" lure to create interest or a sense of urgency.
Clicking links to download this .txt file often leads to the installation of rogue applications that can steal your contacts, send spam from your number, or access your banking details. Security Red Flags: Download giftcodedragonknight txt
Did you receive this link through a or a browser pop-up ? It is a social engineering attack that uses