Content parsing, extraction and redaction of text (iText 5)

iText can parse PDFs to extract the content of a page. As there are many different ways to create a PDF file, and as the text on a page usually isn't more than a bunch of characters drawn on a page, it's not trivial to extract text correctly.

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While extracting font name from PDF, I get some junk characters followed by plus sign and then the font name with font style. I want to remove the junk characters. I get those junk characters only for a few PDF file, for example: MMLPEO+RemingtonNoiseless
In my project, I want to find co-ordinates of the images in my PDFs. I tried searching iText, but I was not succesful.
Is there any way to implement PDF redaction using iText? Working with the Acrobat SDK API I found that redactions also just seem to be annotations with the subtype "Redact".
Is it possible to remove all text occurrences contained in a specified area of ​​a pdf document?
I would like to get the bold text present form a specific location. Would creating a new method or class called FontBasedTextExtractionStrategy instead of a simple TextExtractionStrategy help?
I have PDF file in Arabic that has text with font Type3 when I extract text using PDFBox some characters are empty and their font equals null ? I want to know what is the problem.
I'm trying to extract and print English text out of a PDF on the console. Extraction is done through iText's PdfTextExtractor class. The text I'm getting is not understandable.
I have a problem using iTextSharp when reading data from PDF File. What I want to achieve is to read only specific part of PDF page (I want to only retrieve Address Information, which is located at constant position).
I am looking for a method to extract the text as well as anchor information using iText. For example: the PDF content is "You can visit our website, XYZ , and do something" where XYZ is a clickable link. The output when extracting this content should be: "You can visit our website, XYZ (www.google.com) and do something".