Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e28c8dda4d85182…

MALICIOUS

PDF

15.1 KB Created: 2021-05-16 06:11:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 93d2260bf2c303caab72cd9b7b638e9a SHA-1: 00425cc1caf385b8477e3c907f3f443632570968 SHA-256: 1e28c8dda4d851824c052563de053c48d79f22d551c0b5e052743272374546b0
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that are flagged as malicious redirectors, specifically luring users with promises of game hacks and free currency. The primary malicious URL identified is https://netcdn.xyz/app/406889139/hack-to-send-gold-cards-on-coin-master-game-hack. While no scripts were explicitly extracted, the PDF structure and embedded links suggest an attempt to redirect users to potentially harmful content, likely as part of a phishing or scam campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9962

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/406889139/hack-to-send-gold-cards-on-coin-master-game-hack In PDF document text
    • http://newdirectionsforautism.org/images/coin-master-tool-hack_GM406889139.pdfIn PDF document text
    • http://newdirectionsforautism.org/images/free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://newdirectionsforautism.org/images/coin-master-free-gold_GM406889139.pdfIn PDF document text
    • http://newdirectionsforautism.org/images/moon-active_GM406889139.pdfIn PDF document text
    • http://newdirectionsforautism.org/images/minecraft-apk-114_GM479516143.pdfIn PDF document text
    • http://newdirectionsforautism.org/images/how-to-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
    • http://newdirectionsforautism.org/images/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://newdirectionsforautism.org/images/is-roblox-studio-free_GM431946152.pdfIn PDF document text
    • http://newdirectionsforautism.org/images/robux-sites_GM431946152.pdfIn PDF document text
    • http://newdirectionsforautism.org/images/free-robux-no-verify-2021_GM431946152.pdfIn PDF document text
    • http://newdirectionsforautism.org/images/coin-master-free-codes_GM406889139.pdfIn PDF document text
    • http://newdirectionsforautism.org/images/free-robux-accounts-2021_GM431946152.pdfIn PDF document text
    • http://newdirectionsforautism.org/images/free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://newdirectionsforautism.org/images/coin-master-daily-free-coins-link_GM406889139.pdfIn PDF document text
    • http://newdirectionsforautism.org/images/coin-master-tips_GM406889139.pdfIn PDF document text
    • http://newdirectionsforautism.org/images/hack-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://newdirectionsforautism.org/images/coin-master-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • http://newdirectionsforautism.org/images/free-robux-websites-2021_GM431946152.pdfIn PDF document text
    • http://newdirectionsforautism.org/images/robux-free-co_GM431946152.pdfIn PDF document text
    • http://newdirectionsforautism.org/images/how-to-win-free-robux_GM431946152.pdfIn PDF document text

Related samples 8

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