Malicious PDF — malware analysis report

Static analysis result for SHA-256 d02eaee6cc3413b9…

MALICIOUS

PDF

44.6 KB Created: 2021-05-11 06:39:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 15d905498d657df8c02fe455279a8731 SHA-1: c455f5428bd9a8964f11428eb9723649641a0526 SHA-256: d02eaee6cc3413b99b29400015475a6ed5aa1c423dcf2175e9417e5757cea5e0
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains links that redirect to malicious infrastructure, specifically promoting 'Coin Master' game hacks. The document body and embedded artifacts suggest a lure to download further malicious content. The primary malicious URL identified is https://netcdn.xyz/app/406889139/coin-master-daily-free-spins-2021-game-hack, which is part of a chain of redirectors.

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 https://netcdn.xyz/app/406889139/coin-master-daily-free-spins-2021-game-hack In PDF document text
    • http://tegeler-segler.de/images/coin-master-hack-tool-2021_GM406889139.pdfIn PDF document text
    • http://tegeler-segler.de/images/coin-master-free-account_GM406889139.pdfIn PDF document text
    • http://tegeler-segler.de/images/coinmasterdailyfreespins-com_GM406889139.pdfIn PDF document text
    • http://tegeler-segler.de/images/toolbox-for-minecraft-windows-10_GM479516143.pdfIn PDF document text
    • http://tegeler-segler.de/images/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://tegeler-segler.de/images/game-give-free-robux_GM431946152.pdfIn PDF document text
    • http://tegeler-segler.de/images/free-minecraft-skin-creator_GM479516143.pdfIn PDF document text
    • http://tegeler-segler.de/images/minecraft-survival-hacks_GM479516143.pdfIn PDF document text
    • http://tegeler-segler.de/images/roblox-hack-codes_GM431946152.pdfIn PDF document text
    • http://tegeler-segler.de/images/coin-master-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • http://tegeler-segler.de/images/can-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://tegeler-segler.de/images/coin-master-hack-spin-ios_GM406889139.pdfIn PDF document text
    • http://tegeler-segler.de/images/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://tegeler-segler.de/images/spin-link-coin-master_GM406889139.pdfIn PDF document text
    • http://tegeler-segler.de/images/coin-master-card-collection-hack-2021_GM406889139.pdfIn PDF document text
    • http://tegeler-segler.de/images/roblox-free-body_GM431946152.pdfIn PDF document text
    • http://tegeler-segler.de/images/free-robux-kid-friendly_GM431946152.pdfIn PDF document text
    • http://tegeler-segler.de/images/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • http://tegeler-segler.de/images/roblox-arsenal-hacks-download_GM431946152.pdfIn PDF document text
    • http://tegeler-segler.de/images/free-robux-generator-2021_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_off000049ed.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49ED 29040 bytes
SHA-256: b9f6e8d7d80e2224a5a75d0cb40a2806c531640c40d08ad939a78b628d0f6ca5
font_01_sfnt_off00008aaa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8AAA 18708 bytes
SHA-256: 0e09573a858265cfc65c534eb28458a66078312e2bd7bae94317e03ea41fcd19

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