You can purchase a legitimate, DRM-protected eBook of Classical Mechanics by John R. Taylor. While the Spanish version is rarer digitally, the English version is widely available. Many students find that using the English PDF with a Spanish dictionary is easier than waiting for a stolen scan.
If you want the convenience of a digital copy without breaking the law or risking your computer, here are the official channels for John R. Taylor Mecánica Clasica: john r taylor mecanica clasica pdf
Taylor, J. R. (2006). Mecánica Clásica (A. Bramón, Trans.). Editorial Reverté. (Original work published 2005) You can purchase a legitimate, DRM-protected eBook of