I hate to be the bearer of bad news, but you can't mix and match ldf and mdf files from different times.

To get that DB up, you'd need mdf and ldf from exactly the same time (which is why file backups of database files don't usually work). An ldf that's newer than the mdf may work (providing it's not a huge time difference, so maybe a few seconds), an ldf that's older than the mdf won't work