Malicious PDF — malware analysis report

Static analysis result for SHA-256 033f505d3f59a55a…

MALICIOUS

PDF

17.8 KB Created: 2021-06-03 13:55:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: a1b2272fa3f1c128d44cd56e870b84d6 SHA-1: 3a4ef94c2275fa3753e22f89051eca34ae26cf00 SHA-256: 033f505d3f59a55a3da1bb4a34b2f9deb62772010bd96590ead28497a3ebb191
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to external resources, including a known malicious redirector, disguised as game hacks and free generators. The ML classifier strongly flagged this PDF as malicious. The embedded URLs suggest an attempt to redirect the user to potentially harmful content or phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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.online/app/431946152/roblox-hack-me-game-hack In PDF document text
    • http://laboratorium.sman2metro.sch.id/repository/minecraft-free-school_GM479516143.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id//repository/robux-offers_GM431946152.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id//repository/free-minecraft-bedrock-server_GM479516143.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id//repository/minecraft-free-download-chromebook_GM479516143.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id/repository/coin-master-spin-link-free-download_GM406889139.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id//repository/how-many-free-spin-links-is-there-for-coin-master_GM406889139.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id//repository/roblox-free-robux-website_GM431946152.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id//repository/free-robux-codes-generator-no-verification_GM431946152.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id//repository/how-to-get-free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id//repository/coin-master-apk-hack-2021-ios_GM406889139.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id/repository/coin-master-free-spins-today-39_GM406889139.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id/repository/free-promo-codes-for-roblox-2021_GM431946152.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id//repository/www-free-robux_GM431946152.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id//repository/coin-master-cheats-for-free-spins_GM406889139.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id/repository/free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id/repository/free-robux-human-verification_GM431946152.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id/repository/free-robux-images_GM431946152.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id/repository/minecraft-pe-free-download_GM479516143.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id//repository/coin-master-hack-here_GM406889139.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id/repository/roblox-hack-unlimited-robux_GM431946152.pdfIn PDF document text

Related samples 8

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