PDF malware analysis — malicious · 94797bcda61deef2

MALICIOUS

PDF

1.1 KB Created: 2021-06-19 15:36:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 366371308b7a0063c43112f778ca8e1a SHA-1: 665fe46b7ca1546a695ab24fb702f7b50b131f19 SHA-256: 94797bcda61deef27421b9e7e8183c621e5baaa49059ca7d95a1c689ffedc459

74 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF file contains a lure related to 'free Robux' for the game Roblox, which is a common tactic to entice users to click on malicious links. The document body and heuristics indicate that the primary malicious action is redirecting the user to the URL http://netcdn.co/app/431946152/can-you-earn-free-robux-in-roblox-game-hack. Although no scripts were explicitly extracted, PDF documents can embed JavaScript for malicious purposes, hence T1059.007 is included.

Machine Learning

Nyx PDF Classifier malicious score 0.9987

Heuristics 3

PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE

PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
External URI info PDF_URI

PDF contains an external URL action
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://netcdn.co/app/431946152/can-you-earn-free-robux-in-roblox-game-hack PDF link annotation
- http://vetmed.fkh.unair.ac.id/repository/free-coin-master-spin-daily-link_GM406889139.pdfIn PDF document text

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