Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fbef101f0206dd8…

MALICIOUS

PDF

31.1 KB Created: 2021-07-20 19:41:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 345a2f524251b4c52b94d5b1b94de3cc SHA-1: 3a3b5e6140508d52b100fc0a74184545fc96464c SHA-256: 2fbef101f0206dd8333ffc925712a879b27bdb7d719ee68024ceacc70a2a505c
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document employs a common lure, presenting itself as a 'Free Minecraft Website' or 'game hack' to entice users into clicking malicious links. The embedded links, such as 'http://netcdn.tw/app/479516143/free-minecraft-website-game-hack', redirect to known malicious infrastructure. The document's structure and embedded links suggest an attempt to exploit user interest in free game-related content to deliver potentially harmful payloads or lead them to phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9893

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/free-minecraft-website-game-hack In PDF document text
    • http://fairwaygolftravel.co.uk/images/tiktok-free-views_GM835599320.pdfIn PDF document text
    • http://fairwaygolftravel.co.uk/images/roblox-hack-com_GM431946152.pdfIn PDF document text
    • http://fairwaygolftravel.co.uk/images/download-minecraft-free-hiapphere_GM479516143.pdfIn PDF document text
    • http://fairwaygolftravel.co.uk/images/how-to-download-minecraft-for-free-on-iphone_GM479516143.pdfIn PDF document text
    • http://fairwaygolftravel.co.uk/images/tiktok-free-fans_GM835599320.pdfIn PDF document text
    • http://fairwaygolftravel.co.uk/images/free-minecraft-java-account_GM479516143.pdfIn PDF document text
    • http://fairwaygolftravel.co.uk/images/how-to-hack-peoples-roblox-accounts_GM431946152.pdfIn PDF document text
    • http://fairwaygolftravel.co.uk/images/free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://fairwaygolftravel.co.uk/images/minecraft-free-download-ios_GM479516143.pdfIn PDF document text
    • http://fairwaygolftravel.co.uk/images/how-to-get-minecraft-dungeons-for-free_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_off000027f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x27F4 22024 bytes
SHA-256: bdf3476bda164717c2c73f1544d39480f8acb4ec03f1bbb49e5df91e06ea6067
font_01_sfnt_off00005880.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5880 17924 bytes
SHA-256: ff8b7dbb958b2e21889f0de65becea477e8c4948e76fdf7eea045243f3f10d1a

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