Malicious PDF — malware analysis report

Static analysis result for SHA-256 3dde2d84b69dc57a…

MALICIOUS

PDF

34.2 KB Created: 2021-07-01 13:18:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-26
MD5: cbd27a62d17078e459fc69b7f0c0f0ed SHA-1: 7c5d798cc1422b88bf18d1ae51fe32aea34e3bb4 SHA-256: 3dde2d84b69dc57a67b0934d7f8a8ac34cf12ca8d74d3f05a6fe8d9ed4ae6fac
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-free-faces-on-roblox-november-game-hack In PDF document text
    • https://perpustakaan.itda.ac.id/repository/free-hair-roblox-boy_GM431946152.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/roblox-free-hacks-working_GM431946152.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/free-robux-obby-2021_GM431946152.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/mode-hacker-roblox_GM431946152.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/rc8-roblox-hack-download_GM431946152.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/cool-minecraft-hacks_GM479516143.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/hack-coin-master-apk-download_GM406889139.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/free-spin-coin-master-2021-link_GM406889139.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/blogger-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/robux-place-rewards_GM431946152.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/toolbox-for-minecraft-pe-mod-apk_GM479516143.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/redboy-roblox-hack_GM431946152.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/coin-master-claim-free-spins_GM406889139.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/tower-of-hell-roblox-hack_GM431946152.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/games-that-give-free-items-roblox_GM431946152.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/coin-master-hack-without-verification-site-zyngaplayerforumscom_GM406889139.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/good-level-7-roblox-hacks_GM431946152.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/timber-roblox-hack_GM431946152.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/free-roblox-wings_GM431946152.pdfIn PDF document text
    • https://perpustakaan.itda.ac.id/repository/how-to-get-robux-fast-no-hack-2021_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
font_00_sfnt_off00002e59.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E59 22176 bytes
SHA-256: 6af685b559871356025aac4ceba5d462d7636f4d035dc08faefdb0b325dbef2e
font_01_sfnt_off00005fa6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FA6 19292 bytes
SHA-256: a85f65a5a84611931fff34965ac74e6243dcf3cd2136456cecb25b85512d940f

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