black silhouette of halloween pumpkin. artwork. jack-o-lantern with a menacing grin. on white. concept of

halloween pumpkin jackolantern gourd carved silhouette black vector isolated icon spooky illustration decoration holiday celebration grin scary festive autumn symbol october festivity eerie creepy harvest emblem design terror lantern misty sinister smile fright horror grim macabre concept white backdrop surface vegetable pictogram sign logo logotype template ai generated