A 28-year-old woman from Jharkhand presents with multiple ill-defined erythematous macules and plaques distributed over her face, trunk, and extremities for 8 months. On examination, she has thickened facial features, loss of eyebrows, and thickened ulnar and peroneal nerves bilaterally. Slit-skin smear from the lesion shows numerous acid-fast bacilli (4+ bacilli). Lepromin test is negative. What is the most likely classification of her leprosy?