PDF malware analysis — malicious · 9b86fd961fd0c4fb

MALICIOUS

PDF

31.2 KB Created: 2021-07-05 09:55:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 0364654b070f02143dd51b2ca8b68816 SHA-1: bf698e9f40c20ecaa6c65441445c4af11cd9497b SHA-256: 9b86fd961fd0c4fb793460d8b192bfa720da65f004c0900b165fd5598dc71e1b

152 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a link that redirects to a 'game hack' generator, a common lure for malicious content. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the PDF structure and embedded URL suggest an attempt to trick the user into visiting a malicious site, likely to download a second-stage payload.

Machine Learning

Nyx PDF Classifier malicious score 0.8694

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 http://netcdn.tw/app/1330123889/pubg-uc-qiwi-game-hack In PDF document text

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