The filename appears to be a stylized reference to the 2005 film Charlie and the Chocolate Factory (directed by Tim Burton). In "leetspeak" or stylized internet notation, "C!C" often stands for " Charlie [and the] Chocolate [Factory] ," and "0307" corresponds to the film's US release date: July (07) 2005 (03) .
Below is a draft of the story based on that specific adaptation. The Golden Ticket to a World of Pure Imagination C!C 0!3!0!7.mp4
fell into the chocolate river while trying to drink from it and was sucked up a glass pipe. The filename appears to be a stylized reference