### Checked other resources

- [X] I added a very descriptive title to this issue.
- [X] I searched the LangChain documentation with the integrated search.
- [X] I used the GitHub search to find a similar question and didn't find it.
- [X] I am sure that this is a bug in LangChain rather than my code.
- [X] The bug is not resolved by updating to the latest stable version of LangChain (or the specific integration package).

### Example Code

`
!pip install langchain
!pip install langchain-community
!pip install pypdf

from langchain_community.document_loaders import PyPDFLoader
!wget https://www.jinji.go.jp/content/900035876.pdf
loader = PyPDFLoader("900035876.pdf")
pages = loader.load()
print(pages[0].page_content)
`

### Error Message and Stack Trace (if applicable)

_No response_

### Description

I am trying to load a japanese document through document loaders of langchain. However it doesn't seem to work for Japanese documents. Page content is an empty string

### System Info

langchain                        0.2.1
langchain-community              0.2.1
langchain-core                   0.2.1
langchain-openai                 0.1.7
langchain-text-splitters         0.2.0

platform: Mac
python version: 3.11.5
PDF Loader Returns blank content for Japanese text
This is a GitHub Issue
repo:langchain
owner:hwchase17
Title : PDF Loader Returns blank content for Japanese text
Issue date:

--- start body ---
### Checked other resources

- [X] I added a very descriptive title to this issue.
- [X] I searched the LangChain documentation with the integrated search.
- [X] I used the GitHub search to find a similar question and didn't find it.
- [X] I am sure that this is a bug in LangChain rather than my code.
- [X] The bug is not resolved by updating to the latest stable version of LangChain (or the specific integration package).

### Example Code

`
!pip install langchain
!pip install langchain-community
!pip install pypdf

from langchain_community.document_loaders import PyPDFLoader
!wget https://www.jinji.go.jp/content/900035876.pdf
loader = PyPDFLoader("900035876.pdf")
pages = loader.load()
print(pages[0].page_content)
`

### Error Message and Stack Trace (if applicable)

_No response_

### Description

I am trying to load a japanese document through document loaders of langchain. However it doesn't seem to work for Japanese documents. Page content is an empty string

### System Info

langchain                        0.2.1
langchain-community              0.2.1
langchain-core                   0.2.1
langchain-openai                 0.1.7
langchain-text-splitters         0.2.0

platform: Mac
python version: 3.11.5
--- end body ---
