Malicious PDF — malware analysis report

Static analysis result for SHA-256 9418592018e111ff…

MALICIOUS

PDF

35.4 KB Created: 2021-07-08 17:32:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-12
MD5: 2c5e1fdc828c6b3dd15aabdbffeaa2f2 SHA-1: f1ba5c07dd3118465733d0312a3d5cbab96655f9 SHA-256: 9418592018e111ff5dba177c7f4c9e0552ca0f4b0cbb9a2293e994e50128a623
220 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 5

  • 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.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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.tw/app/431946152/how-to-get-free-robux-youtube-game-hack In PDF document text
    • https://imagetravelnepal.com/userfiles/files/coin-master-free-spin-daily-bonus_GM406889139.pdfIn PDF document text
    • https://imagetravelnepal.com/userfiles/files/coin-master-tiradas-gratis_GM406889139.pdfIn PDF document text
    • https://imagetravelnepal.com/userfiles/files/gaming-dunia-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://imagetravelnepal.com/userfiles/files/free-roblox-clothes-and-hair_GM431946152.pdfIn PDF document text
    • https://imagetravelnepal.com/userfiles/files/free-coin-master-hacks-no-verification-or-survey_GM406889139.pdfIn PDF document text
    • https://imagetravelnepal.com/userfiles/files/how-to-get-free-robux-without-downloading-any-apps_GM431946152.pdfIn PDF document text
    • https://imagetravelnepal.com/userfiles/files/aimbot-exe-roblox_GM431946152.pdfIn PDF document text
    • https://imagetravelnepal.com/userfiles/files/free-tiktok-likes-no-verification_GM835599320.pdfIn PDF document text
    • https://imagetravelnepal.com/userfiles/files/coin-master-free-spins-and-coins-daily-links_GM406889139.pdfIn PDF document text
    • https://imagetravelnepal.com/userfiles/files/free-games-like-coin-master_GM406889139.pdfIn PDF document text
    • https://imagetravelnepal.com/userfiles/files/knife-server-roblox-hack-script-pastebin_GM431946152.pdfIn PDF document text
    • https://imagetravelnepal.com/userfiles/files/coin-master-apk_GM406889139.pdfIn PDF document text
    • https://imagetravelnepal.com/userfiles/files/roblox-cheating-dll_GM431946152.pdfIn PDF document text
    • https://imagetravelnepal.com/userfiles/files/give-free-robux_GM431946152.pdfIn PDF document text
    • https://imagetravelnepal.com/userfiles/files/how-to-get-free-hair-on-roblox-2021_GM431946152.pdfIn PDF document text
    • https://imagetravelnepal.com/userfiles/files/free-coin-and-spin-for-coin-master_GM406889139.pdfIn PDF document text
    • https://imagetravelnepal.com/userfiles/files/how-to-get-free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • https://imagetravelnepal.com/userfiles/files/free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://imagetravelnepal.com/userfiles/files/how-do-u-get-robuxs-for-free_GM431946152.pdfIn PDF document text
    • https://imagetravelnepal.com/userfiles/files/how-to-hack-to-get-robux_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_002_off0000320e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x320E 22844 bytes
SHA-256: 63b06af49aff824310bb53714bd77e96e5d0d981bb53c94063f99654955b86c0
font_01_sfnt_off0000651a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x651A 19144 bytes
SHA-256: 69f15bf39f48ef2819c4fe30de5c54b763846b00a79d58176de4c37c6d2b833d

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