PDF malware analysis — malicious · fbedc0be0af8662e

MALICIOUS

PDF

6.7 KB

MD5: a01edd20266c4a07c3e642e91092db80 SHA-1: b58d853015f0f675f1580da06a08f3a78a966e88 SHA-256: fbedc0be0af8662e2f4cf9a91a7f8c477dbd0b8047a0fdcc09160592c1d4e748

66 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript/JScript T1566.002 Spearphishing Attachment

The PDF file contains embedded JavaScript, flagged by multiple heuristics, which is designed to execute malicious code. This script likely attempts to redirect the user to the embedded URL http://www1.savesentinelov.it.cx/, which is known to host malicious content. The ML classifier strongly indicates maliciousness, supporting the conclusion that this is a delivery mechanism for a secondary payload.

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.savesentinelov.it.cx/?popkz7=lNLdz7ec68ac2tzJq6yZo5WS4%2BrcrKCc32yllNueq5qimt3hop2iqaCgqaCtZ6yH4tiwlp6koJTGztHorcK9r6Cn3MWzmJnYkg%3D%3D

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0005_000.js` `7689121848a1327d6edf3922847874341248f1f8434b83c79a81395a34355fdf`	pdf-javascript-stream	PDF /JS object 5 at offset 0x1D4	6078 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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