Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b6ddd58d340bf39…

MALICIOUS

PDF

35.0 KB Created: 2021-07-01 07:13:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-17
MD5: 3c310961036283adbc707c3899171ece SHA-1: b4273b78769f191c06039d40ef6669b3d789c885 SHA-256: 2b6ddd58d340bf391b748a1471bb664cd2601f647cb9ee53a139ffc5cea999e6
160 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/how-to-get-roblox-for-free-no-download-game-hack In PDF document text
    • http://elearning.mantemanggung.sch.id/__statics/gudangsoal/files/minecraft-download-free-download_GM479516143.pdfIn PDF document text
    • https://elearning.mantemanggung.sch.id/__statics/gudangsoal/files/notoriety-roblox-cheats_GM431946152.pdfIn PDF document text
    • http://elearning.mantemanggung.sch.id/__statics/gudangsoal/files/roblox-free-robux-obby-working_GM431946152.pdfIn PDF document text
    • http://elearning.mantemanggung.sch.id/__statics/gudangsoal/files/robux-hack-me_GM431946152.pdfIn PDF document text
    • http://elearning.mantemanggung.sch.id/__statics/gudangsoal/files/get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://elearning.mantemanggung.sch.id/__statics/gudangsoal/files/roblox-how-to-hack-groups_GM431946152.pdfIn PDF document text
    • http://elearning.mantemanggung.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-ios_GM406889139.pdfIn PDF document text
    • http://elearning.mantemanggung.sch.id/__statics/gudangsoal/files/minecraft-cheats-switch_GM479516143.pdfIn PDF document text
    • https://elearning.mantemanggung.sch.id/__statics/gudangsoal/files/free-roblox-items-virus_GM431946152.pdfIn PDF document text
    • https://elearning.mantemanggung.sch.id/__statics/gudangsoal/files/free-robux-generator_GM431946152.pdfIn PDF document text
    • https://elearning.mantemanggung.sch.id/__statics/gudangsoal/files/does-e-free-work-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.mantemanggung.sch.id/__statics/gudangsoal/files/the-roblox-hack-of-2021_GM431946152.pdfIn PDF document text
    • http://elearning.mantemanggung.sch.id/__statics/gudangsoal/files/roblox-twister-murder-how-to-hack-credits_GM431946152.pdfIn PDF document text
    • https://elearning.mantemanggung.sch.id/__statics/gudangsoal/files/how-get-free-robux-easy_GM431946152.pdfIn PDF document text
    • https://elearning.mantemanggung.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-with-javascript_GM431946152.pdfIn PDF document text
    • http://elearning.mantemanggung.sch.id/__statics/gudangsoal/files/roblox-hacks-pc_GM431946152.pdfIn PDF document text
    • http://elearning.mantemanggung.sch.id/__statics/gudangsoal/files/free-robux-no-verification-required_GM431946152.pdfIn PDF document text
    • http://elearning.mantemanggung.sch.id/__statics/gudangsoal/files/coin-master-hack-2021-iphone_GM406889139.pdfIn PDF document text
    • https://elearning.mantemanggung.sch.id/__statics/gudangsoal/files/robux-hack-ohne-handy_GM431946152.pdfIn PDF document text
    • https://elearning.mantemanggung.sch.id/__statics/gudangsoal/files/free-tiktok-followers_GM835599320.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
font_00_sfnt_off00003139.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3139 22436 bytes
SHA-256: 5c9c5242d21834c390618ef190390837cac517cc66a4b6c767350b252d98784e
font_01_sfnt_off000062d5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62D5 19260 bytes
SHA-256: 5e4883b1f12046a50bf4b8c6708c314c862b215289b9fa4cd7c620c0adf3ef2a

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