Do not panic. The file is almost certainly safe if it came from a trusted source.
He zoomed in on her eye. He zoomed past the iris, into the reflection of the subway clock. He could read the time: 3:01 AM. Tight-Magazine.pdf.pdf
Reddit’s r/lostmedia has a small thread dedicated to Tight-Magazine.pdf.pdf . Users describe it as a "glitch art" project—a PDF that contains embedded video files and interactive elements that only work when the file name has the exact double extension. : This is likely an urban legend. A PDF with a double extension does not change its internal code. Do not panic