Malicious PDF — malware analysis report

Static analysis result for SHA-256 2eb98d4f25c043b4…

MALICIOUS

PDF

42.2 KB Created: 2021-05-15 03:07:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 333dbe2b0524c5d52e66bde2b337a5ac SHA-1: 7123aae9ea68d3f437513155a33b772e8301dfec SHA-256: 2eb98d4f25c043b404bb6c3b8f72b8d92f89cc78cbcf3604fb6c927852522f10
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, specifically advertising 'free generator / game hack' lures. The document body, though heavily obfuscated, contains a URL matching the heuristic findings. The presence of these malicious links and the ML classifier's high confidence score indicate a clear intent to redirect users to potentially harmful content, likely for credential harvesting or further malware delivery.

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/406889139/get-free-spins-coin-master-link-game-hack In PDF document text
    • http://selectionspdf.fr/images/reddit-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://selectionspdf.fr/images/minecraft-free-edition_GM479516143.pdfIn PDF document text
    • http://selectionspdf.fr/images/free-robux-games-on-roblox_GM431946152.pdfIn PDF document text
    • http://selectionspdf.fr/images/coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://selectionspdf.fr/images/free-minecraft-website_GM479516143.pdfIn PDF document text
    • http://selectionspdf.fr/images/minecraft-hack-client-18-9_GM479516143.pdfIn PDF document text
    • http://selectionspdf.fr/images/coin-master-free-coin-hack_GM406889139.pdfIn PDF document text
    • http://selectionspdf.fr/images/minecraft-diamond-finder-hack_GM479516143.pdfIn PDF document text
    • http://selectionspdf.fr/images/how-to-get-free-robux-2021-easy_GM431946152.pdfIn PDF document text
    • http://selectionspdf.fr/images/buy-robux-free_GM431946152.pdfIn PDF document text
    • http://selectionspdf.fr/images/can-you-actually-get-free-robux_GM431946152.pdfIn PDF document text
    • http://selectionspdf.fr/images/free-coin-master-androd-cheats-2021_GM406889139.pdfIn PDF document text
    • http://selectionspdf.fr/images/free-robux-no-verification-needed_GM431946152.pdfIn PDF document text
    • http://selectionspdf.fr/images/free-game-packs-for-coin-master_GM406889139.pdfIn PDF document text
    • http://selectionspdf.fr/images/coin-master-free-daily-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://selectionspdf.fr/images/moonactive-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://selectionspdf.fr/images/free-spin-sites-for-coin-master_GM406889139.pdfIn PDF document text
    • http://selectionspdf.fr/images/easy-ways-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://selectionspdf.fr/images/show-me-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://selectionspdf.fr/images/free-shirt-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
stream_003_off000047c0.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x47C0 25620 bytes
SHA-256: 5cce9c2d0925d5b8b6f018a136c42c762845c3e27f3eeb4a61e810e460ef8bcf
font_01_sfnt_off00008343.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8343 18056 bytes
SHA-256: ab85056fbf29cd03dcfab7de7beb0343ed26656e2e8858e8ad52cb7aa31a5a92

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