Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d6083665d4dcb5a…

MALICIOUS

PDF

43.6 KB Created: 2021-05-12 05:14:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 001235226578c28ef5d14c6aa8488eb8 SHA-1: da5a5d57adc978d57c775d71342dc42389c618c6 SHA-256: 6d6083665d4dcb5aaefeeffd5578eae280ebc53c31f2a7914858f7ef23ab7ab5
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to external websites, identified as malicious redirectors. These links are presented as lures for game hacks and cheats, suggesting an attempt to trick users into downloading potentially unwanted or malicious software. The document body and embedded URLs support this attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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.xyz/app/479516143/minecraft-pe-apk-free-download-game-hack In PDF document text
    • http://e-library.stienobel-indonesia.ac.id//repository/coin-master-free-cards-hack_GM406889139.pdfIn PDF document text
    • http://e-library.stienobel-indonesia.ac.id//repository/download-coin-master-apk-hack_GM406889139.pdfIn PDF document text
    • http://e-library.stienobel-indonesia.ac.id//repository/minecraft-font-free_GM479516143.pdfIn PDF document text
    • http://e-library.stienobel-indonesia.ac.id//repository/coin-master-2021-free-spins-link-blogspot_GM406889139.pdfIn PDF document text
    • http://e-library.stienobel-indonesia.ac.id//repository/free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://e-library.stienobel-indonesia.ac.id/repository/how-to-get-free-robux-no-survey_GM431946152.pdfIn PDF document text
    • http://e-library.stienobel-indonesia.ac.id/repository/free-links-for-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://e-library.stienobel-indonesia.ac.id//repository/roblox-hacks-com_GM431946152.pdfIn PDF document text
    • http://e-library.stienobel-indonesia.ac.id//repository/free-role-in-coin-master_GM406889139.pdfIn PDF document text
    • http://e-library.stienobel-indonesia.ac.id/repository/is-minecraft-realms-free_GM479516143.pdfIn PDF document text
    • http://e-library.stienobel-indonesia.ac.id//repository/how-to-make-your-own-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • http://e-library.stienobel-indonesia.ac.id//repository/i-robux_GM431946152.pdfIn PDF document text
    • http://e-library.stienobel-indonesia.ac.id/repository/blox-fish-free-robux_GM431946152.pdfIn PDF document text
    • http://e-library.stienobel-indonesia.ac.id//repository/coin-master-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://e-library.stienobel-indonesia.ac.id//repository/hack-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://e-library.stienobel-indonesia.ac.id//repository/how-to-get-free-robux-instantly_GM431946152.pdfIn PDF document text
    • http://e-library.stienobel-indonesia.ac.id/repository/free-robux-hack-generator_GM431946152.pdfIn PDF document text
    • http://e-library.stienobel-indonesia.ac.id/repository/roblox-got-talent-piano-hack_GM431946152.pdfIn PDF document text
    • http://e-library.stienobel-indonesia.ac.id//repository/get-free-minecraft-account_GM479516143.pdfIn PDF document text
    • http://e-library.stienobel-indonesia.ac.id/repository/free-robux-no-downloading-apps_GM431946152.pdfIn PDF document text
    • https://discord.ggIn 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
font_00_sfnt_off00004e58.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4E58 24988 bytes
SHA-256: c69433299749563c7394a61a1a5c7bbb0a8e14dbdbc80620525a320c600df3ed
font_01_sfnt_off000086c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x86C8 18788 bytes
SHA-256: 56ecf13b7fdae58d5e4afb69efa7bdb7b8d9a7a0932eb3c661bed49813117ab2

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