iam also a pkaistani and married a canadian(not through internet) and waiting for my landing paper.I read ur question,
the prosess is that u will get the marriage certfificate, means is she is mulslim will send u papaers and then after signing them u will send them back .she will apply under the FAMILY CALSS for u. and after geting the approcal from MISSISUAGA EMBASSY CANADA , u will be called for the medical test in PAKISTAN .
well the TOTAL PROCESSING TIME IS ALMOST A YEAR MINIMUM OF ONE YEAR .

GOOD LUCK.

HUFSA AMER.