Malicious PDF — malware analysis report

Static analysis result for SHA-256 793a10924fa8be4b…

MALICIOUS

PDF

41.7 KB Created: 2021-05-14 00:20:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-14
MD5: 2495de24a099dcbd8dcc91af56576514 SHA-1: 632c979ddc4dec41803c691a12548430acc5f4a8 SHA-256: 793a10924fa8be4b66413c8a72aadfc3d14a3d0d57ee0d29293ecc490fa15c7d
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/how-do-you-install-minecraft-for-free-game-hack In PDF document text
    • http://knjiznica-oroslavje.hr/files/free-money-links-coin-master_GM406889139.pdfIn PDF document text
    • http://knjiznica-oroslavje.hr/files/coin-master-pet-food-hack_GM406889139.pdfIn PDF document text
    • http://knjiznica-oroslavje.hr/files/coin-master-free-chip_GM406889139.pdfIn PDF document text
    • http://knjiznica-oroslavje.hr/files/cool-free-roblox-outfits_GM431946152.pdfIn PDF document text
    • http://knjiznica-oroslavje.hr/files/free-minecraft-account_GM479516143.pdfIn PDF document text
    • http://knjiznica-oroslavje.hr/files/free-spin-link-for-coin-master-game_GM406889139.pdfIn PDF document text
    • https://www.knjiznica-oroslavje.hr/files/2021-roblox_GM431946152.pdfIn PDF document text
    • https://www.knjiznica-oroslavje.hr/files/earn-free-robux-for-roblox_GM431946152.pdfIn PDF document text
    • http://knjiznica-oroslavje.hr/files/free-spins-coin-master-2021-today_GM406889139.pdfIn PDF document text
    • https://www.knjiznica-oroslavje.hr/files/daily-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://knjiznica-oroslavje.hr/files/how-to-hack-roblox-accounts_GM431946152.pdfIn PDF document text
    • http://knjiznica-oroslavje.hr/files/appsmob-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://knjiznica-oroslavje.hr/files/free-minecraft-domain_GM479516143.pdfIn PDF document text
    • http://knjiznica-oroslavje.hr/files/minecraft-games-free-download_GM479516143.pdfIn PDF document text
    • https://www.knjiznica-oroslavje.hr/files/free-roblox-dominus_GM431946152.pdfIn PDF document text
    • http://knjiznica-oroslavje.hr/files/mcpe-com_GM479516143.pdfIn PDF document text
    • http://knjiznica-oroslavje.hr/files/coin-master-apk-hack-358_GM406889139.pdfIn PDF document text
    • https://www.knjiznica-oroslavje.hr/files/coin-master-free-download-app_GM406889139.pdfIn PDF document text
    • https://www.knjiznica-oroslavje.hr/files/www-cheatsk-com-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://knjiznica-oroslavje.hr/files/earn-free-robux-today_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
font_00_sfnt_off000048f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x48F9 24372 bytes
SHA-256: 49383f90deea52ae144c4d49219a680656ade4404d3aa473ef4af251f7ad74d5
font_01_sfnt_off00008040.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8040 18416 bytes
SHA-256: cbfa2983e9daac20df1fbb4ff8997c57b22e5209ec416caeaf9e5389c70ab7ce

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