Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fa711014ad6493b…

MALICIOUS

PDF

8.1 KB Created: 2021-06-20 21:32:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-20
MD5: 462598a3e066972fad6e2100cc954636 SHA-1: a6d96259a939738ebc11af9949ba1b75c4f57477 SHA-256: 2fa711014ad6493badcdf5d422b3a29544e6181494c089c1cac2512cdbc3a39a
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links to redirectors and potentially malicious content, masquerading as game hacks and cheats. The primary malicious URL identified is http://netcdn.co/app/431946152/hacker-vs-pro-roblox-game-hack, which is flagged as a known malicious redirector. The document's structure and embedded URLs strongly suggest a social engineering tactic to lure users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9851

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.co/app/431946152/hacker-vs-pro-roblox-game-hack In PDF document text
    • http://www.3d-gold.com.hk/upload/files/how-do-people-get-hacked-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://www.3d-gold.com.hk/upload/files/how-to-get-free-robux-for-real_GM431946152.pdfIn PDF document text
    • http://www.3d-gold.com.hk/upload/files/coin-master-online-hack_GM406889139.pdfIn PDF document text
    • http://www.3d-gold.com.hk/upload/files/minecraft_GM479516143.pdfIn PDF document text
    • http://www.3d-gold.com.hk/upload/files/how-to-get-verified-on-tiktok-for-free_GM835599320.pdfIn PDF document text
    • http://www.3d-gold.com.hk/upload/files/free-tiktok-likes-no-human-verification-or-downloading-apps_GM835599320.pdfIn PDF document text
    • http://www.3d-gold.com.hk/upload/files/free-800-robux_GM431946152.pdfIn PDF document text
    • http://www.3d-gold.com.hk/upload/files/robux-website-hack_GM431946152.pdfIn PDF document text
    • http://www.3d-gold.com.hk/upload/files/free-promo-codes-for-robux_GM431946152.pdfIn PDF document text
    • http://www.3d-gold.com.hk/upload/files/roblox-hack-exploit-no-virus_GM431946152.pdfIn PDF document text
    • http://www.3d-gold.com.hk/upload/files/coin-master-hack-2021-free_GM406889139.pdfIn PDF document text
    • http://www.3d-gold.com.hk/upload/files/hack-roblox-apk-mod_GM431946152.pdfIn PDF document text

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