Malicious PDF — malware analysis report

Static analysis result for SHA-256 793b62dff2360a76…

MALICIOUS

PDF

33.9 KB Created: 2021-07-04 10:49:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-14
MD5: 99b32dba557cf12e062eeeb7e9a16659 SHA-1: 39a347649f4ac605f7d6bc91559ea974a7630521 SHA-256: 793b62dff2360a76f8ce7a3b38821c04c2a1cd738eaddea013c7d2edf616446a
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.tw/app/479516143/how-to-make-a-minecraft-client-game-hack In PDF document text
    • https://asiavisiontreks.com/userfiles/files/como-evitar-que-un-hacker-te-hackee-en-roblox_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/boku-no-roblox-remastered-buy-hack-sellygg_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/youtube-roblox-jailbreak-hack_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/how-do-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/how-to-get-800-robux-for-free_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/coin-master-apk-free-download_GM406889139.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/uprobuxcom-free-robux_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/minecraft-hacked-client-112-2_GM479516143.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/free-roblox-studio-ios_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/roblox-scam_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/roblox-cheat-dll-2021_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/minecraft-multiplayer-free_GM479516143.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/coin-master-free-spins-daily-fb-champion_GM406889139.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/minecraft-hacks-for-2b2t_GM479516143.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/coin-master-hack-tool-generator_GM406889139.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/how-to-get-free-robux-gift-cards_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/free-modded-minecraft-server_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
font_00_sfnt_off00003178.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3178 21860 bytes
SHA-256: c35d60cb339d3892476eb6eed4f71635479fab82be5feb7c1465ec4336e76f2c
font_01_sfnt_off000061b0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61B0 18408 bytes
SHA-256: 03295cd4a5569e9f8ae37183c20a7c8b763471bbe644b379d72bcd702fe4c2ec

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