MAL-2026-1257

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/pdfjs-dist-fourth/MAL-2026-1257.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-1257
Published
2026-03-05T22:15:57Z
Modified
2026-03-08T01:48:46.241630Z
Summary
Malicious code in pdfjs-dist-fourth (npm)
Details

-= Per source details. Do not edit below this line.=-

Source: amazon-inspector (fcaf355459e8baaef860a557036e51431e6eb6c44dcba0e800579cf978f2f64d)

The package pdfjs-dist-fourth was found to contain malicious code.

Source: ossf-package-analysis (e964b58935e9036b1bb97b860ed8de4789b4bc0af7fa624f201ce7c8f55ae0cf)

The OpenSSF Package Analysis project identified 'pdfjs-dist-fourth' @ 10.0.33 (npm) as malicious.

It is considered malicious because:

  • The package communicates with a domain associated with malicious activity.

  • The package executes one or more commands associated with malicious behavior.

Database specific 
{
    "malicious-packages-origins": [
        {
            "sha256": "e964b58935e9036b1bb97b860ed8de4789b4bc0af7fa624f201ce7c8f55ae0cf",
            "import_time": "2026-03-05T23:08:27.961541109Z",
            "modified_time": "2026-03-05T22:15:57Z",
            "versions": [
                "10.0.33"
            ],
            "source": "ossf-package-analysis"
        },
        {
            "sha256": "fcaf355459e8baaef860a557036e51431e6eb6c44dcba0e800579cf978f2f64d",
            "import_time": "2026-03-08T01:37:59.137090831Z",
            "modified_time": "2026-03-08T01:35:03Z",
            "versions": [
                "10.0.33"
            ],
            "source": "amazon-inspector"
        }
    ]
}
References
Credits

Affected packages

npm / pdfjs-dist-fourth

Package

Name
pdfjs-dist-fourth
View open source insights on deps.dev
Purl
pkg:npm/pdfjs-dist-fourth

Affected ranges

Affected versions

10.*
10.0.33

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/pdfjs-dist-fourth/MAL-2026-1257.json"