Malicious PDF — malware analysis report

Static analysis result for SHA-256 d40c66b07a8758c7…

MALICIOUS

PDF

41.8 KB Created: 2021-05-17 17:30:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 246b144f9a1401999b983b89ef359335 SHA-1: 629b9a748ed0667e967d57998b998d3266c0668d SHA-256: d40c66b07a8758c77ecc75eb75c9353835a88ebe66c83f152a9a435f8bf51f67
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure for free game items, such as Minecraft or Robux, to entice users to click on embedded links. The primary link directs to a known malicious redirector infrastructure, which likely serves as a gateway to further malicious content or downloads. The document's structure and embedded URLs strongly suggest a phishing or scam campaign aimed at tricking users into visiting potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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 https://netcdn.xyz/app/479516143/how-to-get-minecraft-for-free-on-iphone-game-hack In PDF document text
    • http://www.copoint.co.uk/images/coin-master-daily-spin-free_GM406889139.pdfIn PDF document text
    • http://www.copoint.co.uk/images/free-800-robux_GM431946152.pdfIn PDF document text
    • http://www.copoint.co.uk/images/free-robux-games_GM431946152.pdfIn PDF document text
    • http://www.copoint.co.uk/images/coin-master-free-spin-link-today-2021_GM406889139.pdfIn PDF document text
    • http://www.copoint.co.uk/images/bloxpage-free-robux_GM431946152.pdfIn PDF document text
    • http://www.copoint.co.uk/images/minecraft-mod-menu_GM479516143.pdfIn PDF document text
    • http://www.copoint.co.uk/images/free-robux-generator-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • http://www.copoint.co.uk/images/coin-master-free-spin-link-twitter_GM406889139.pdfIn PDF document text
    • http://www.copoint.co.uk/images/coin-master-fan-page-free-spins_GM406889139.pdfIn PDF document text
    • http://www.copoint.co.uk/images/how-to-give-robux-on-mobile_GM431946152.pdfIn PDF document text
    • http://www.copoint.co.uk/images/wurst-client_GM479516143.pdfIn PDF document text
    • http://www.copoint.co.uk/images/hack-coin-master-for-free_GM406889139.pdfIn PDF document text
    • http://www.copoint.co.uk/images/fan-page-coin-master_GM406889139.pdfIn PDF document text
    • http://www.copoint.co.uk/images/free-coins-and-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://www.copoint.co.uk/images/how-to-get-unlimited-robux_GM431946152.pdfIn PDF document text
    • http://www.copoint.co.uk/images/coin-master-tiradas-gratis_GM406889139.pdfIn PDF document text
    • http://www.copoint.co.uk/images/adopt-me-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://www.copoint.co.uk/images/coin-master-free-spins-link-2021-march_GM406889139.pdfIn PDF document text
    • http://www.copoint.co.uk/images/free-coin-master-coins_GM406889139.pdfIn PDF document text
    • http://www.copoint.co.uk/images/mcpe-hacks_GM479516143.pdfIn PDF document text
    • https://education.minecraftIn 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_off00004a35.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A35 24516 bytes
SHA-256: 1298afdca0ac429ad811508e2e474afb4d5bbd04120b8fafcfb21e190222305a
font_01_sfnt_off0000818c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x818C 18216 bytes
SHA-256: bed6c76176a434f358ebc88a31d2dbe88cb1547cd8758d4c9ade2f80066016aa

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