Malicious PDF — malware analysis report

Static analysis result for SHA-256 3a02e898f6976b17…

MALICIOUS

PDF

16.0 KB Created: 2021-05-25 11:10:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 6085e3570601baf81b3f3364b099b283 SHA-1: 8733465c7eb16c5adae08c722c090868eada60b9 SHA-256: 3a02e898f6976b17e634a7a1b7e35ff823571cb65841a5714eb7cf30f93dc525
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 in-game currency or items. These links redirect to known malicious infrastructure, indicating a phishing or scam attempt. The ML classifier also flagged this PDF as malicious, supporting the assessment of a malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9263

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/free-coins-and-spins-for-coin-master-game-hack In PDF document text
    • http://mtsn1kukarelearning.com/__statics/gudangsoal/files/how-to-get-free-robux-easy-no-download_GM431946152.pdfIn PDF document text
    • http://mtsn1kukarelearning.com/__statics/gudangsoal/files/how-to-get-free-followers-on-tiktok_GM835599320.pdfIn PDF document text
    • http://mtsn1kukarelearning.com/__statics/gudangsoal/files/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://mtsn1kukarelearning.com/__statics/gudangsoal/files/download-tiktok-for-free_GM835599320.pdfIn PDF document text
    • http://mtsn1kukarelearning.com/__statics/gudangsoal/files/free-robux-generator_GM431946152.pdfIn PDF document text

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