Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b6c5f2934cf740e…

MALICIOUS

PDF

43.1 KB Created: 2021-05-13 07:33:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-17
MD5: e8d958fa77a0a2bd94cd60f6abf14ced SHA-1: 486e1e1f6a0757b599b8c9b3dc94b7ca455401e4 SHA-256: 2b6c5f2934cf740ecedaab39ced92259abb4a6c6730d5eb045c24c7a6c2bb54b
160 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/coin-master-hack-using-lucky-patcher-game-hack In PDF document text
    • http://www.travelone.ae/userfiles/files/coin-master-free-link_GM406889139.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/roblox-free-models_GM431946152.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/how-to-get-free-clothes-on-roblox_GM431946152.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/minecraft-apk-download-v1-144-2-free_GM479516143.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/2021-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/free-robux-come_GM431946152.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/download-coin-master-hack-mod-apk_GM406889139.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/how-to-get-free-robux-without-download-apps-or-survey_GM431946152.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/how-to-get-roebucks-in-roblox_GM431946152.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/get-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/hack-coin-master-android_GM406889139.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/how-to-make-roblox-clothes-for-free_GM431946152.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/roblox-skins-boy-free_GM431946152.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/free-vpn-for-minecraft_GM479516143.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/free-robux-no-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/how-to-get-free-robux-on-pc_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_003_off00004b28.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B28 24904 bytes
SHA-256: b419a847cef7bbe29b5147310a1fc4dde5557cb987c8c17611a28040700dedfc
font_01_sfnt_off00008498.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8498 18832 bytes
SHA-256: 2cd4bfabdd56e5db7574a9ce92a7cad7f1521c02cad56c3759cae2546db8459f

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