Line a baking sheet with parchment paper.
Crush Oreo cookies into fine crumbs using a food processor or by hand.
Combine cookie crumbs with softened cream cheese in a large bowl; mix until smooth.
Shape the mixture into one-tablespoon-sized balls and place on the prepared sheet.
Freeze for at least 20 minutes.
Create pumpkin shapes by indenting the balls with a toothpick; freeze for 10 more minutes.
Cut small leaves from Airheads candies with scissors.
Melt orange candy melts in the microwave, stirring until smooth.
Dip each truffle into the melted chocolate, letting excess drip off.
Place on parchment paper.
Insert half a pretzel stick at the top for a stem and add a leaf with a toothpick if needed.
Refrigerate for 15 minutes to set before serving.