Malicious PDF — malware analysis report

Static analysis result for SHA-256 e473498c8a81038c…

MALICIOUS

PDF

45.1 KB Created: 2021-06-04 00:54:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 2f6b74a3b4d8e2fcb1113c3fc4caa9c9 SHA-1: 296e0ea0823196a12c76d9ca2e58fdfcc6a635a0 SHA-256: e473498c8a81038cefa9abd61a40e6be7777db36b7e122286601e0b8862263d5
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links that redirect to malicious infrastructure, masquerading as game hacks and free currency generators. The primary lure is a link to 'free spins coin master legit game hack'. The document body and embedded URLs strongly suggest a social engineering tactic to trick users into visiting potentially harmful websites. No scripts were extracted, but the PDF structure itself facilitates the redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/406889139/free-spins-coin-master-legit-game-hack In PDF document text
    • http://lib-smansumsel.sch.id/repository/free-spins-coin-master-links_GM406889139.pdfIn PDF document text
    • http://lib-smansumsel.sch.id/repository/free-robux-card-codes_GM431946152.pdfIn PDF document text
    • http://lib-smansumsel.sch.id/repository/roblox-hacked-version-download_GM431946152.pdfIn PDF document text
    • http://lib-smansumsel.sch.id/repository/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
    • http://lib-smansumsel.sch.id/repository/easy-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://lib-smansumsel.sch.id/repository/how-to-get-unlimited-robux-2021_GM431946152.pdfIn PDF document text
    • http://lib-smansumsel.sch.id/repository/free-robux-codes_GM431946152.pdfIn PDF document text
    • http://lib-smansumsel.sch.id/repository/coin-master-get-free-spins_GM406889139.pdfIn PDF document text
    • http://lib-smansumsel.sch.id/repository/coin-master-mod_GM406889139.pdfIn PDF document text
    • http://lib-smansumsel.sch.id/repository/minecraft-reach-hack_GM479516143.pdfIn PDF document text
    • http://lib-smansumsel.sch.id/repository/hacking-apps-for-roblox_GM431946152.pdfIn PDF document text
    • http://lib-smansumsel.sch.id/repository/rewardex-robux_GM431946152.pdfIn PDF document text
    • http://lib-smansumsel.sch.id/repository/minecraft-hacked-client-18_GM479516143.pdfIn PDF document text
    • http://lib-smansumsel.sch.id/repository/free-coin-master-gifts_GM406889139.pdfIn PDF document text
    • http://lib-smansumsel.sch.id/repository/static-moonactive-net-link_GM406889139.pdfIn PDF document text
    • http://lib-smansumsel.sch.id/repository/minecraft-free-minecoins_GM479516143.pdfIn PDF document text
    • http://lib-smansumsel.sch.id/repository/free-coin-master-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://lib-smansumsel.sch.id/repository/coin-master-free-coin-and-spin-app_GM406889139.pdfIn PDF document text
    • http://lib-smansumsel.sch.id/repository/coin-master-daily-free-spins-link_GM406889139.pdfIn PDF document text
    • http://lib-smansumsel.sch.id/repository/roblox-no-download-hack_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00004f83.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4F83 27084 bytes
SHA-256: 2d49b7b45e28c44e9dccecbea901507bffb312c1025279c852a336fd5396b144
font_01_sfnt_off00008e21.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E21 18176 bytes
SHA-256: 4f85ccc1da016ecef161eb9f79bccb20543dd347b05e2325783b5ea44e0630af

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