Malicious PDF — malware analysis report

Static analysis result for SHA-256 3dd24258a541b736…

MALICIOUS

PDF

44.0 KB Created: 2021-05-16 13:03:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-26
MD5: 02a8e4bdb7bdff09c6ab2f1bd4ac1b14 SHA-1: 0f007a76a2e2a4264f72f96ef1dad427b9cb6183 SHA-256: 3dd24258a541b736d3e259ebbd965ceced4964215ffe9ca1f7b579fb9631c680
160 Risk Score

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/406889139/mcpe-master-coins-hack-game-hack In PDF document text
    • http://www.natconveyors.com/uploaded_files/userfiles/files/coin-master-hack-tool-pc-download_GM406889139.pdfIn PDF document text
    • http://www.natconveyors.com/uploaded_files/userfiles/files/coin-master-hack-spin-generator_GM406889139.pdfIn PDF document text
    • http://www.natconveyors.com/uploaded_files/userfiles/files/easy-points-gg_GM431946152.pdfIn PDF document text
    • http://www.natconveyors.com/uploaded_files/userfiles/files/roblox-free-hair-girl_GM431946152.pdfIn PDF document text
    • http://www.natconveyors.com/uploaded_files/userfiles/files/games-like-coin-master-for-free_GM406889139.pdfIn PDF document text
    • http://www.natconveyors.com/uploaded_files/userfiles/files/coin-master_GM406889139.pdfIn PDF document text
    • http://www.natconveyors.com/uploaded_files/userfiles/files/how-to-get-robux-fast_GM431946152.pdfIn PDF document text
    • http://www.natconveyors.com/uploaded_files/userfiles/files/free-spins-and-coins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://www.natconveyors.com/uploaded_files/userfiles/files/free-coins-for-coin-master-blogger_GM406889139.pdfIn PDF document text
    • http://www.natconveyors.com/uploaded_files/userfiles/files/how-to-earn-free-stars-on-coin-master_GM406889139.pdfIn PDF document text
    • http://www.natconveyors.com/uploaded_files/userfiles/files/coin-master-daily-free-spins-link-app_GM406889139.pdfIn PDF document text
    • http://www.natconveyors.com/uploaded_files/userfiles/files/coin-master-claim-free-spins_GM406889139.pdfIn PDF document text
    • http://www.natconveyors.com/uploaded_files/userfiles/files/www-coinmaster-com_GM406889139.pdfIn PDF document text
    • http://www.natconveyors.com/uploaded_files/userfiles/files/free-role-in-coin-master_GM406889139.pdfIn PDF document text
    • http://www.natconveyors.com/uploaded_files/userfiles/files/clean-master-free-coins-and-spins_GM406889139.pdfIn PDF document text
    • http://www.natconveyors.com/uploaded_files/userfiles/files/free-spin-coin-master-instagram_GM406889139.pdfIn PDF document text
    • http://www.natconveyors.com/uploaded_files/userfiles/files/free-roblox-hair-to-wear_GM431946152.pdfIn PDF document text
    • http://www.natconveyors.com/uploaded_files/userfiles/files/blogspot-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://www.natconveyors.com/uploaded_files/userfiles/files/how-to-earn-robux-fast_GM431946152.pdfIn PDF document text
    • http://www.natconveyors.com/uploaded_files/userfiles/files/free-modded-minecraft-server-hosting_GM479516143.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_003_off00004d4c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4D4C 26136 bytes
SHA-256: 8a9744ea40ba708685e7b6b197b28701f85bcda821a386eb78bc72718b586829
font_01_sfnt_off00008ac4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8AC4 17892 bytes
SHA-256: d01168f9bbbfe6455f8e766ddb511a9b706125e6492a8429ac9dad2f06419671

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