While individual users are rarely sued by Adobe, the company actively pursues using cracked software. If you use a cracked version of Acrobat XI Pro in a professional or commercial setting (e.g., an accounting firm, real estate office, or legal practice), you face:
online often leads to sites offering modified or "cracked" versions of the file. Using these versions to bypass activation is a significant security risk: Malware and Trojans amtlibdll adobe acrobat xi pro