PDF malware analysis — malicious · 3474f2c7267748d5

MALICIOUS

PDF

6.7 KB

MD5: cb2c7685a33fc0451f7e95f53ff53b1e SHA-1: 030731f0e4a6c07634f0e0db98977c3f55000dbe SHA-256: 3474f2c7267748d5a22ab84fee25e559f9c36da1f630b35e8ca7e8b40584f834

66 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1566.002 Spearphishing Attachment

The PDF contains embedded JavaScript, flagged by multiple heuristics, which is designed to execute and likely redirect the user to a malicious URL. The ML classifier strongly indicates malicious intent. The obfuscated JavaScript is designed to obscure its true purpose, but the presence of an embedded URL and the ML score suggest a malicious download or redirection attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9999

Heuristics 4

Suspicious extracted artifact medium EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
JavaScript action low PDF_JAVASCRIPT

PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
Embedded JS stream low PDF_JS

PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.

URL http://www1.stronglfoantivir.uni.me/?8s3ygb02j=XNag3aTHqJeQ6N3WrKOdnJ2V1eLgpqua1G2nZq%2BglWZpkOfnr6ChmpyYopelpaKc1eV1pWaqjcOSlNywxsa6lNfVyqyUlOeN

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0005_000.js` `b75da86a189654d65e4edb38f1fbf2df9dbd5f6dc5df40570eec43aeee9765b0`	pdf-javascript-stream	PDF /JS object 5 at offset 0x1D4	6076 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s). Carved artifact contains 1 long hex-escaped blob(s).
`javascript_obj0005_001.js` `689dabe90ee21f4fb5bc62d38e6665d00a96c34f5cd1df9cf001be22f8bbd253`	pdf-javascript-stream	PDF /JS object 5 at offset 0x1F7	6359 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s). Carved artifact contains 1 long hex-escaped blob(s).

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