If drag and drop a PDF file, the program will crash

[Satoshi Kubo]

If drag and drop a PDF file, the program will crash.

[lsb_release -rd]
Description: Ubuntu 12.04 LTS
Release: 12.04
[apt-cache policy pdfmod]
pdfmod:
  インストールされているバージョン(Installed Version): 0.9.1-5ubuntu1
  候補(Candidate): 0.9.1-5ubuntu1
  バージョンテーブル(Version Table):
 *** 0.9.1-5ubuntu1 0
        500 http://ubuntu-ashisuto.ubuntulinux.jp/ubuntu/ precise/universe i386 Packages
        100 /var/lib/dpkg/status

[Expected to happen]
Success loaded PDF file.
[Happened instead]
1. ) Start PDF Mod.
2. ) Drag and Drop PDF file.

P.S: I studying English. If there is an error in grammar, sorry.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.