Malicious PDF — malware analysis report

Static analysis result for SHA-256 5cf51a1836816e6e…

MALICIOUS

PDF

21.6 KB Created: 2021-05-19 07:18:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: dc7ecbf32ac497b84cc2483cbe6c5483 SHA-1: 571069aede5eceb827eb4bcd9190f34dcc1f1df3 SHA-256: 5cf51a1836816e6e5896d04351adf1a4c293c065bb2dd1c9a5084b30221581e3
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains embedded links that redirect to malicious websites, masquerading as free game hacks and generators. The primary redirector URL is https://netcdn.xyz/app/1094591345/pokemon-go-free-qwilfish-game-hack. The document body and numerous other extracted URLs further support the lure-based redirection strategy, aiming to trick users into visiting potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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/1094591345/pokemon-go-free-qwilfish-game-hack In PDF document text
    • http://ines.co.rs/images/bux-free-robux_GM431946152.pdfIn PDF document text
    • http://ines.co.rs/images/roblox-bloxburg-hack_GM431946152.pdfIn PDF document text
    • http://ines.co.rs/images/who-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://ines.co.rs/images/coin-master-fun-hack_GM406889139.pdfIn PDF document text
    • http://ines.co.rs/images/roblox-bux-free_GM431946152.pdfIn PDF document text
    • http://ines.co.rs/images/coin-master-hack-ios-no-jailbreak_GM406889139.pdfIn PDF document text
    • http://ines.co.rs/images/minecraft-114-4-download-free_GM479516143.pdfIn PDF document text
    • http://ines.co.rs/images/download-coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
    • http://ines.co.rs/images/cmaster-club-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://ines.co.rs/images/60-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://ines.co.rs/images/minecraft-games-to-play-for-free_GM479516143.pdfIn PDF document text
    • http://ines.co.rs/images/lastrick-com-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://ines.co.rs/images/roblox-robux-hack-generator_GM431946152.pdfIn PDF document text
    • http://ines.co.rs/images/how-to-get-hacks-on-roblox_GM431946152.pdfIn PDF document text
    • http://ines.co.rs/images/what-is-coin-master-app_GM406889139.pdfIn PDF document text
    • http://ines.co.rs/images/roblox-hack-codes_GM431946152.pdfIn PDF document text
    • http://ines.co.rs/images/free-robux-with-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://ines.co.rs/images/free-robux-without-verification_GM431946152.pdfIn PDF document text
    • http://ines.co.rs/images/how-to-get-free-robux-on-pc_GM431946152.pdfIn PDF document text
    • http://ines.co.rs/images/free-coin-master-hacks_GM406889139.pdfIn PDF document text

Related samples 8

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