I was creating an abode form using Live Cycle and there were no reported virus prior to stating During the creation of the form (upon saving it) I get notified that the file is infected with JS.Pdfka-gen[expl]. Is this a false alarm? I scanned my system with Malwarebytes anti-malware and avast but no other infections were noted. I tired the same thing today and ended up with the same results.
well if you created it…then i guess a FP
You can report it using one of these options…you may add a link to this topic in case they reply here
You can upload files and report issues to avast here : http://www.avast.com/contact-form.php (select subject according to Your case)
You can use mail
send to virus@avast.com in a password protected zip file
mail subject: False Positive / undetected sample (select subject according to your case)
zip password: infected
or you can send files from avast chest
how to use the chest. http://www.avast.com/faq.php?article=AVKB21
I uploaded to the lab last night. Will I get a notification from the lab on the results?
they usually dont reply, just fix it quietly 
but you may get lucky, some do