Cracked software repositories on torrent sites, file-sharing forums, or unknown blogs are infamous for bundling:
VirusTotal scans on many “ChingLiu” releases show multiple positive matches for generic backdoors. Cracked software repositories on torrent sites
Adobe ended support for Acrobat XI Pro in October 2017. That means even the legitimate version no longer receives security patches. Running an outdated, unsupported version – especially a cracked one – leaves your system completely exposed to known vulnerabilities that hackers actively exploit. Cracked software repositories on torrent sites
The word “Updated” suggests that the uploader (possibly ChingLiu) had refreshed the package to include the 11.0.9 patch or newer crack methods, often to keep it working after Adobe began aggressively blocking older cracks. Cracked software repositories on torrent sites