Malicious PDF — malware analysis report

Static analysis result for SHA-256 e03aa5be744d4ee5…

MALICIOUS

PDF

33.1 KB Created: 2021-07-06 04:45:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: b426adb0a42dddc1ed141b124a0c2b58 SHA-1: c86f6bb91bbc57f0626db748a590a62cfd6ab942 SHA-256: e03aa5be744d4ee52622afcb900f999866056c5bd695428ea2f5f923e982b486
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links that redirect to malicious infrastructure, specifically promoting 'game hacks' and free in-game currency. The heuristic firings indicate these links are associated with known malicious redirectors and lures for game-related scams. While no scripts were extracted, the document's structure and embedded URLs strongly suggest a phishing or scamming attempt designed to lead users to potentially harmful websites.

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/what-is-a-minecraft-client-game-hack In PDF document text
    • http://library.stieyapan.ac.id/repository/free-robux-for-mac_GM431946152.pdfIn PDF document text
    • http://library.stieyapan.ac.id//repository/coin-master-daily-free-spins-link-today-blogspot_GM406889139.pdfIn PDF document text
    • http://library.stieyapan.ac.id/repository/coin-master-promo-code-2021_GM406889139.pdfIn PDF document text
    • http://library.stieyapan.ac.id//repository/boku-no-roblox-hack_GM431946152.pdfIn PDF document text
    • http://library.stieyapan.ac.id//repository/pubg-uc-free-2021_GM1330123889.pdfIn PDF document text
    • http://library.stieyapan.ac.id/repository/tiktok-free-gift_GM835599320.pdfIn PDF document text
    • http://library.stieyapan.ac.id/repository/roblox-hack-codes-2021_GM431946152.pdfIn PDF document text
    • http://library.stieyapan.ac.id/repository/rbl-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://library.stieyapan.ac.id/repository/roblox-obby-gives-free-robux-with-game-link_GM431946152.pdfIn PDF document text
    • http://library.stieyapan.ac.id//repository/free-spin-today-coin-master_GM406889139.pdfIn PDF document text
    • http://library.stieyapan.ac.id/repository/roblox-com-robux_GM431946152.pdfIn PDF document text
    • http://library.stieyapan.ac.id//repository/comapp-trekfree-coin-spindaily-link-master_GM406889139.pdfIn PDF document text
    • http://library.stieyapan.ac.id//repository/free-apk-mod-coin-master_GM406889139.pdfIn PDF document text
    • http://library.stieyapan.ac.id//repository/minecraft-windows-10-hacks_GM479516143.pdfIn PDF document text
    • http://library.stieyapan.ac.id/repository/how-to-get-a-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://library.stieyapan.ac.id/repository/coin-master-daily-free-cards_GM406889139.pdfIn PDF document text
    • http://library.stieyapan.ac.id/repository/roblox-galaxy-arcade-resourcen-cheats_GM431946152.pdfIn PDF document text
    • http://library.stieyapan.ac.id/repository/coin-master-daily-gift-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://library.stieyapan.ac.id//repository/how-do-you-download-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://library.stieyapan.ac.id/repository/free-robux-com-roblox_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_off00002f42.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F42 21628 bytes
SHA-256: 91da37b03672d35fa261465f419d1f088b1d9d0d5bb451310bc90014461c55ad
font_01_sfnt_off00005eb2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EB2 18292 bytes
SHA-256: cc8de4d5cd269b7874ace7bd1df7c96e4a27e52416941d0a4b2fd16f13afc98a

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