The attacker named the file executare_silita_an followed by the RTLO character. They then typed fdp.exe .
When Elena double-clicked the file, her computer didn't open a PDF reader. Instead, it saw the .exe extension and ran the code. executare_silita_an‮fdp.exe
In Windows, always check "File name extensions" in the View tab of your folder. A real PDF will end in .pdf , but a trick file might show up as .pdf.exe . The attacker named the file executare_silita_an followed by
Elena’s mistake wasn't just clicking an attachment; it was trusting the shown in the name. How to stay safe from "Mirror" files: executare_silita_an‮fdp.exe