The European semi-finalists have already qualified for the mega-event, which will be held in Bhubaneswar from November 28 to December 16, helping Pakistan's cause.
The Green Shirts, currently ranked 14th in the FIH standings, ended seventh in the World League Semi-Finals in London, where the likes of Germany, England, Netherlands and Belgium earned World Cup qualification by finishing in the top five.
Under FIH regulations, the team that wins its continental qualifier automatically qualifies for the World Cup.
Pakistan are the higher ranked of the two seventh place finishers from the HWL Semi-Final events that took place in London and Johannesburg, with 16th ranked France next in line for that all-important World Cup ticket.
Pakistan become the 13th team to qualify for the global showpiece, joining host nation India, Argentina, Australia, Belgium, Canada, England, Germany, Ireland, Malaysia, Netherlands, Spain and New Zealand.