PDF malware analysis — malicious · 5d1da19cf0585bff

MALICIOUS

PDF

3.9 KB Created: 2021-05-20 22:32:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-24

MD5: a0ea6e637a81fe26ecc50d6410cacbf5 SHA-1: 949885e28f2ecb7a0995518428e85ce51acd65d4 SHA-256: 5d1da19cf0585bff13920ad45bedafd9013df2e9b5cbb38178420be5edecded2

152 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF file contains a link that redirects to a known malicious domain, masquerading as a 'free game hack'. This heuristic, combined with the ML classifier flagging the PDF as malicious, indicates a phishing or redirection attempt. Although no scripts were extracted, the embedded URL is the primary indicator of malicious intent, likely leading to a further stage of attack.

Machine Learning

Nyx PDF Classifier malicious score 0.9881

Heuristics 3

PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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 https://netcdn.xyz/app/431946152/roblox-builders-club-free-game-hack In PDF document text

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