Attach (recommended) or Link to PDF file here:
[NHA-20211231-A-018_before.pdf](https://github.com/mozilla/pdf.js/files/8055863/NHA-20211231-A-018_before.pdf)

Configuration:
- Web browser and its version: Firefox nightly
- Operating system and its version: Windows 11

Steps to reproduce the problem:
1. Search for "a"
2. Some highlighter results are wrong

![image](https://user-images.githubusercontent.com/5641725/153760070-61708a75-524c-4a21-bc1f-7745e9151b97.png)

After investigations some results are shifted because of a bug with "-\n".
[],
        [],
        [],
        [],
        [],
        [],
        [],
        [],
        [2087],
      ],
      pageMatchesLength: [
        [24],
        [],
        [],
        [],
        [],
        [],
        [],
        [],
        [],
        [],
        [],
        [],
        [],
        [24],
      ],
    });
  });
  it("performs a search with square brackets in the query", async function () {
    const { eventBus, pdfFindController } = await initPdfFindController();