Malicious PDF — malware analysis report

Static analysis result for SHA-256 188b1cae962797aa…

MALICIOUS

PDF

14.9 KB Created: 2021-05-16 02:34:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 9478c9990f605b7c272f8a987d516ce3 SHA-1: e4301e95542f008e34a958372cbfb8c4a188e5a0 SHA-256: 188b1cae962797aa39f90bd34d10c6a452bf5401224f5dac53b838938524343b
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to potentially malicious infrastructure, masquerading as game hacks and generators. The ML classifier also flagged this PDF as malicious. While no scripts were directly extracted, the PDF structure itself contains embedded links that are designed to trick users into visiting harmful sites, 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/coin-master-free-spins-2021-haktuts-game-hack In PDF document text
    • http://livebybuddhism.org/images/coin-master-free-bonus_GM406889139.pdfIn PDF document text
    • http://livebybuddhism.org/images/huskybuckscom-free-robux_GM431946152.pdfIn PDF document text
    • http://livebybuddhism.org/images/coin-master-apk-hack_GM406889139.pdfIn PDF document text
    • http://livebybuddhism.org/images/roblox-hack-me-robux_GM431946152.pdfIn PDF document text
    • http://livebybuddhism.org/images/coin-master-mod-version-free-download_GM406889139.pdfIn PDF document text
    • http://livebybuddhism.org/images/how-to-get-minecraft-for-free-on-your-phone_GM479516143.pdfIn PDF document text
    • http://livebybuddhism.org/images/roblox-g_GM431946152.pdfIn PDF document text
    • http://livebybuddhism.org/images/real-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://livebybuddhism.org/images/show-me-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://livebybuddhism.org/images/minecraft-hacks-pc_GM479516143.pdfIn PDF document text
    • http://livebybuddhism.org/images/master-coin-hack-app_GM406889139.pdfIn PDF document text
    • http://livebybuddhism.org/images/coin-master-daily-spin-link_GM406889139.pdfIn PDF document text
    • http://livebybuddhism.org/images/coin-master-hack-no-download_GM406889139.pdfIn PDF document text
    • http://livebybuddhism.org/images/how-to-get-free-robux-easy-on-phone_GM431946152.pdfIn PDF document text
    • http://livebybuddhism.org/images/hack-card-collection-coin-master_GM406889139.pdfIn PDF document text
    • http://livebybuddhism.org/images/roblox-com-free-robux_GM431946152.pdfIn PDF document text
    • http://livebybuddhism.org/images/coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://livebybuddhism.org/images/roblox-free-pants_GM431946152.pdfIn PDF document text
    • http://livebybuddhism.org/images/coin-master-free-spins-link-blogspot-2021_GM406889139.pdfIn PDF document text
    • http://livebybuddhism.org/images/unlimited-coin-master-free-spins_GM406889139.pdfIn PDF document text

Related samples 8

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