MAL-2026-13268

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/devplatform-test-pvm-is-odd/MAL-2026-13268.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-13268
Published
2026-08-05T15:29:58Z
Modified
2026-08-05T16:50:25.779392709Z
Summary
Malicious code in devplatform-test-pvm-is-odd (npm)
Details

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

Source: amazon-inspector (bea9b91a5e345be04b775870b684a468293d7d7e4a49fa31c21178cfcd02f68d)

devplatform-test-pvm-is-odd@35.3.9 is a lure package whose index.js requires./_bootstrap.js on load. bootstrap.js downloads a platform-specific binary from hardcoded Cloudflare Workers hosts (oob-worker.cf99-9b3.workers.dev, oob-worker.cf100-416.workers.dev, oob-worker.cf101-adf.workers.dev) with a DNS-over-TXT fallback to *.dl.wel1.ru, writes the bytes to a disguised temp path, chmods 0755 on Unix, and spawns the file detached via /bin/sh -c or cmd.exe. Hostnames, the require('childprocess') identifier, and fs.chmodSync are assembled at runtime from split string fragments (e.g. ['oob-worke','r.cf99-9b3.worke','rs.dev'].join('')) to evade static scanners, and a stamp file gates repeat execution. A second, structurally identical dropper is shipped in lib/telemetry.js (81KB) with chunked base64 payload assembly, string-concatenated fs.chmodSync, and cp.spawn('/bin/sh', ['-c', filePath+' &']); it is not reachable from index.js in this version but is present in the tarball. No hash or signature verification is performed on the fetched bytes; the destinations are anonymous, non-publisher hosts unrelated to any documented package purpose.

Database specific 
{
    "malicious-packages-origins": [
        {
            "versions": [
                "35.3.9"
            ],
            "id": "IN-MAL-2026-015722",
            "import_time": "2026-08-05T16:13:36.174830335Z",
            "modified_time": "2026-08-05T15:29:58Z",
            "source": "amazon-inspector",
            "sha256": "bea9b91a5e345be04b775870b684a468293d7d7e4a49fa31c21178cfcd02f68d"
        }
    ]
}
References
Credits

Affected packages

npm / devplatform-test-pvm-is-odd

Package

Name
devplatform-test-pvm-is-odd
View open source insights on deps.dev
Purl
pkg:npm/devplatform-test-pvm-is-odd

Affected ranges

Affected versions

35.*
35.3.9

Database specific

cwes 
[
    {
        "cweId": "CWE-506",
        "name": "Embedded Malicious Code",
        "description": "The product contains code that appears to be malicious in nature."
    }
]
indicators 
{
    "package_integrity": [
        {
            "filename": "devplatform-test-pvm-is-odd-35.3.9.tgz",
            "hashes": {
                "sha512_sri": "sha512-uskhs5vgwkZsi09eBMUUceC1+IYkE0+6EYFAQIeJc4X/8aHmHyuGWSTvVYp9/3isQbT+j5mKT7is2mKmi9Q+aA==",
                "sha1": "81fad51365149d174377f1d89edbabe0bc4a7006"
            }
        }
    ],
    "evidence_files": [
        {
            "path": "_bootstrap.js",
            "tlsh": "dea197aa06a5b0188f70ebe4c6178816f66bf6a33680c1d4f79c55845f7752483b2efc",
            "sha256": "e2fbe573ba621cda13745a4b7907cca8ada186574055adab341d6eeeb0e62e0f"
        },
        {
            "path": "lib/telemetry.js",
            "tlsh": "fd835055566a242186b2b368df234107ff3685272643429dbafc82dc1fbd72092a5ffc",
            "sha256": "39a53a715482a4ef5ba53f2bd71e24c6b78e981eb9ed962dec9283942efb1db2"
        }
    ]
}
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/devplatform-test-pvm-is-odd/MAL-2026-13268.json"