Heat oven to 350 degrees . In a large bowl, stir together cookie mix, pudding mix and flour. Stir in melted butter and eggs until soft dough forms. Add pistachios and cranberries and mix well.
Using small cookie scoop or teaspoon, drop dough 2 inches apart on ungreased cookie sheet. Press with fingers to slightly flatten.
Bake 9-11 minutes or until edges are a light golden brown. Cool 2 minutes, remove from cookie sheet to wire rack. Cool completely. Store tightly covered at room temperature.