Malicious PDF — malware analysis report

Static analysis result for SHA-256 47813b538b18b46e…

MALICIOUS

PDF

42.4 KB Created: 2021-05-16 16:15:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-20
MD5: 60b4a2b48510658b2383d15e92153615 SHA-1: 08f0b21658a2036df20fe4d0009e8a209a56001e SHA-256: 47813b538b18b46e519e44a041efb3dafa2a0e8beed4d372790ff120b657cec3
200 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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.
  • ClickFix social engineering attack high SE_CLICKFIX
    Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
  • 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/479516143/minecraft-building-hacks-game-hack In PDF document text
    • http://himalayandiscoverytrek.com/userfiles/files/50-free-spins-coin-master-links_GM406889139.pdfIn PDF document text
    • http://himalayandiscoverytrek.com/userfiles/files/minecraft-hacks-115-2_GM479516143.pdfIn PDF document text
    • http://himalayandiscoverytrek.com/userfiles/files/hacker-minecraft-song_GM479516143.pdfIn PDF document text
    • http://himalayandiscoverytrek.com/userfiles/files/how-to-download-minecraft-for-free-ios_GM479516143.pdfIn PDF document text
    • http://himalayandiscoverytrek.com/userfiles/files/free-robux-no-verification-2021-ios_GM431946152.pdfIn PDF document text
    • http://himalayandiscoverytrek.com/userfiles/files/www-bandicam-com-free-robux_GM431946152.pdfIn PDF document text
    • http://himalayandiscoverytrek.com/userfiles/files/i-need-robux_GM431946152.pdfIn PDF document text
    • http://himalayandiscoverytrek.com/userfiles/files/hackear-juego-coin-master_GM406889139.pdfIn PDF document text
    • http://himalayandiscoverytrek.com/userfiles/files/coin-master-free-spin-software_GM406889139.pdfIn PDF document text
    • http://himalayandiscoverytrek.com/userfiles/files/codes-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://himalayandiscoverytrek.com/userfiles/files/free-robux-games-that-actually-work-2021_GM431946152.pdfIn PDF document text
    • http://himalayandiscoverytrek.com/userfiles/files/coin-master-online-hack-2021_GM406889139.pdfIn PDF document text
    • http://himalayandiscoverytrek.com/userfiles/files/coin-master-free-coins-and-spins-hack_GM406889139.pdfIn PDF document text
    • http://himalayandiscoverytrek.com/userfiles/files/coin-master-cheat-apk-free-download_GM406889139.pdfIn PDF document text
    • http://himalayandiscoverytrek.com/userfiles/files/how-do-you-get-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://himalayandiscoverytrek.com/userfiles/files/free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • http://himalayandiscoverytrek.com/userfiles/files/hack-coin-master-game-download_GM406889139.pdfIn PDF document text
    • http://himalayandiscoverytrek.com/userfiles/files/robuxy-com-generator_GM431946152.pdfIn PDF document text
    • http://himalayandiscoverytrek.com/userfiles/files/coin-master-hacker-club_GM406889139.pdfIn PDF document text
    • https://discord.ggIn 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_off00004b87.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B87 24268 bytes
SHA-256: f78934aff6f3b7ad5880275d9a3ca51ab8a3f909ee5338397257329b026710e5
font_01_sfnt_off0000829e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x829E 18628 bytes
SHA-256: 03be4b6b10a4c687c6c89c16a3bf013511456428a76c01e3ee63370f4522cf94

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