This link was posted yesterday [0].

The passwords were not leaked from google, parts of it maybe were new, but other parts are suspected to be copied from older leaks.

The actual dump can be found if you look for it - with full passwords.

We can get a pretty good idea where they come from too by searching for emails with a + in the domain and looking at what comes after (I delete uninteresting ones - like single letters or numbers):

$ grep '+' goo.txt | cut -d+ -f2 | cut -d@ -f1 | sort | uniq -c | sort -h

      7 wholefoods
      9 albumhunt
      9 freebies
      9 itickets
      9 rsbuddy
     11 comicbookdb
     11 paygr
     12 junk
     12 texasmonthly
     14 usercash
     15 precyl
     17 freebie
     18 bravenet
     18 filesavr
     19 policeauctions
     31 freebiejeebies
     51 bryce
     52 savage2
     54 bioware
     57 spam
     62 savage
     63 friendster
     64 eharmony
     66 daz3d
     88 filedropper
    132 daz
    176 xtube

[0]: https://news.ycombinator.com/item?id=8295102