Malicious PDF — malware analysis report

Static analysis result for SHA-256 32ec8e5fc4eb8e6a…

MALICIOUS

PDF

33.8 KB Created: 2021-07-05 10:31:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: a6def0911baf4a8df9c0f4e45516e6c4 SHA-1: 79109bd3d31a33c5ab06590d490c7e3a0ee78ae5 SHA-256: 32ec8e5fc4eb8e6aa163d007a0f04a196542dc0037201d1abb1ee5a637ebfa21
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs, with a primary focus on 'how to get robux on roblox game hack'. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs suggests a phishing or scam attempt. Although no scripts were extracted, the document's content and heuristic firings indicate it is designed to trick users into visiting malicious sites, likely for credential harvesting or malware distribution.

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/431946152/how-to-get-robux-on-roblox-game-hack In PDF document text
    • http://lib.icbc-indonesia.org/repository/coin-master-hack-without-human-verification-2021_GM406889139.pdfIn PDF document text
    • http://lib.icbc-indonesia.org//repository/roblox-free-item-codes_GM431946152.pdfIn PDF document text
    • http://lib.icbc-indonesia.org/repository/minecraft-bedrock-edition-pc-free_GM479516143.pdfIn PDF document text
    • http://lib.icbc-indonesia.org/repository/cheat-robux-roblox-2021-free_GM431946152.pdfIn PDF document text
    • http://lib.icbc-indonesia.org/repository/coin-master-free-spins-link-today-new-2021_GM406889139.pdfIn PDF document text
    • http://lib.icbc-indonesia.org/repository/hacks-for-minecraft-windows-10_GM479516143.pdfIn PDF document text
    • http://lib.icbc-indonesia.org/repository/free-robux-and-obc_GM431946152.pdfIn PDF document text
    • http://lib.icbc-indonesia.org//repository/roblox-games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.icbc-indonesia.org//repository/minecraft-skins-free-girl_GM479516143.pdfIn PDF document text
    • http://lib.icbc-indonesia.org//repository/coin-master-daily-free-spins-link-haktuts_GM406889139.pdfIn PDF document text
    • http://lib.icbc-indonesia.org/repository/how-to-get-free-pet-food-on-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.icbc-indonesia.org/repository/ninja-assassin-hack-roblox_GM431946152.pdfIn PDF document text
    • http://lib.icbc-indonesia.org/repository/login-robux_GM431946152.pdfIn PDF document text
    • http://lib.icbc-indonesia.org/repository/robux-place-rewards_GM431946152.pdfIn PDF document text
    • http://lib.icbc-indonesia.org/repository/free-robux-pins-for-sale_GM431946152.pdfIn PDF document text
    • http://lib.icbc-indonesia.org//repository/how-to-get-free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
    • http://lib.icbc-indonesia.org//repository/free-coinmaster-spins_GM406889139.pdfIn PDF document text
    • http://lib.icbc-indonesia.org/repository/free-robux-eu5-net_GM431946152.pdfIn PDF document text
    • http://lib.icbc-indonesia.org/repository/free-roblox-games-online-no-download_GM431946152.pdfIn PDF document text
    • http://lib.icbc-indonesia.org//repository/pubg-uc-rate-in-india_GM1330123889.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_off00002dde.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2DDE 22288 bytes
SHA-256: 807a470284ffc5a4bbf0124f7ce3b8e63d3200eb27273fcdd4e0ec724d1b884c
font_01_sfnt_off00005f44.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F44 18896 bytes
SHA-256: 96d3b414a238506af4bca1b1ecde2903623354b908f1fec60380700dcce89c10

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