Do not open the file. Upload it directly to VirusTotal to have it analyzed by dozens of different antivirus engines simultaneously.
If you have downloaded or encountered a file with this specific name, it is highly likely to be a custom archive created by an individual, a localized project, or potentially a malicious file masking itself under a random name. Archivo de Descarga AnDay​​.rar
If the file is safe, the name "AnDay" might be a typo or shorthand for several known digital entities: Do not open the file