Next Level Mistletoe Martini

1 ½ oz vanilla vodka

½ oz St Germain elderflower liqueur

1 ½ oz cranberry juice

½ oz cranberry spiced syrup

2 dashes cranberry bitters

1 ½ cups packed brown sugar

1 cup fresh cranberries

¾ cup water

4 cinnamon sticks

1 tablespoon orange zest

1 teaspoon whole allspice berries

1 teaspoon whole cloves