PDF malware analysis — malicious · 5dd15b9d899829f6

MALICIOUS

PDF

18.6 KB Created: 2021-06-09 04:30:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: d94ef0bc3745649f0b9617e049f73392 SHA-1: 3980eb319f8da78ad722aec688374320dc04c8fe SHA-256: 5dd15b9d899829f6734a527d0cfbf0ab49d72bc26cd3fb0be83abc677c7d0a31

152 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains multiple links designed to lure users with promises of free game currency or hacks. These links point to redirectors and potentially malicious domains, indicating a phishing or scam attempt. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

Nyx PDF Classifier malicious score 0.9993

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.tw/app/431946152/free-robux-generator-no-survey-youtube-game-hack In PDF document text
- http://shiny-nn.ru/images/install-free-game-coin-master_GM406889139.pdfIn PDF document text
- http://shiny-nn.ru/images/coin-master-online-free-spin_GM406889139.pdfIn PDF document text
- http://shiny-nn.ru/images/how-to-get-free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
- http://shiny-nn.ru/images/free-robux-roblox-promo-codes_GM431946152.pdfIn PDF document text
- http://shiny-nn.ru/images/roblox-robux-hack-cheat-engine-64_GM431946152.pdfIn PDF document text
- http://shiny-nn.ru/images/pokemon-go-free-7km-eggs-july-2021_GM1094591345.pdfIn PDF document text
- http://shiny-nn.ru/images/free-custom-minecraft-skins_GM479516143.pdfIn PDF document text
- http://shiny-nn.ru/images/sites-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://shiny-nn.ru/images/real-robux_GM431946152.pdfIn PDF document text
- http://shiny-nn.ru/images/how-to-get-free-robux-website_GM431946152.pdfIn PDF document text
- http://shiny-nn.ru/images/free-robux-hack-us_GM431946152.pdfIn PDF document text
- http://shiny-nn.ru/images/coin-master-fan-page-giveaway_GM406889139.pdfIn PDF document text
- http://shiny-nn.ru/images/safe-hack-for-coin-master-android_GM406889139.pdfIn PDF document text
- http://shiny-nn.ru/images/why-is-tiktok-free_GM835599320.pdfIn PDF document text
- http://shiny-nn.ru/images/hack-coins-in-coin-master_GM406889139.pdfIn PDF document text
- http://shiny-nn.ru/images/coin-master-hack-online-cheat_GM406889139.pdfIn PDF document text
- http://shiny-nn.ru/images/freer-pro-tiktok-fans_GM835599320.pdfIn PDF document text
- http://shiny-nn.ru/images/coin-master-links-free-spins_GM406889139.pdfIn PDF document text
- http://shiny-nn.ru/images/coin-master-hack-fast_GM406889139.pdfIn PDF document text
- http://shiny-nn.ru/images/can-you-still-get-minecraft-windows-10-for-free_GM479516143.pdfIn PDF document text

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