Malicious PDF — malware analysis report

Static analysis result for SHA-256 4ee0eecf6090bb27…

MALICIOUS

PDF

42.8 KB Created: 2021-05-18 00:18:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 597d6e919aa2b79ea60ca689847a3637 SHA-1: a9f83388e755ae9c6e7bc83f730ab6092937f850 SHA-256: 4ee0eecf6090bb275f25e6b08c77dfa9845038906d0276d02437e84b8d9d926c
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors, specifically promoting 'free Robux' and game hacks. These links are designed to lure users into potentially harmful websites. The ML classifier also strongly indicated maliciousness, supporting the conclusion that this document is part of a phishing or scam campaign.

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/431946152/free-robux-easy-and-fast-game-hack In PDF document text
    • http://www.mediaxin.net/images/como-hackear-el-juego-coin-master_GM406889139.pdfIn PDF document text
    • http://www.mediaxin.net/images/claimrobux-net_GM431946152.pdfIn PDF document text
    • http://www.mediaxin.net/images/coin-master-hack-pro-gamers_GM406889139.pdfIn PDF document text
    • http://www.mediaxin.net/images/coin-master-70-spin-link-2021_GM406889139.pdfIn PDF document text
    • http://www.mediaxin.net/images/how-to-get-to-village-3-in-coin-master_GM406889139.pdfIn PDF document text
    • http://www.mediaxin.net/images/how-to-download-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
    • http://www.mediaxin.net/images/haktuts-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://www.mediaxin.net/images/coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
    • http://www.mediaxin.net/images/www-robux-us_GM431946152.pdfIn PDF document text
    • http://www.mediaxin.net/images/roblox-hack-game_GM431946152.pdfIn PDF document text
    • http://www.mediaxin.net/images/coin-master-blogspot-links_GM406889139.pdfIn PDF document text
    • http://www.mediaxin.net/images/roblox-trolling_GM431946152.pdfIn PDF document text
    • http://www.mediaxin.net/images/websites-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://www.mediaxin.net/images/free-draw-roblox_GM431946152.pdfIn PDF document text
    • http://www.mediaxin.net/images/free-robux-no-verification_GM431946152.pdfIn PDF document text
    • http://www.mediaxin.net/images/how-to-get-minecraft-for-free-on-xbox_GM479516143.pdfIn PDF document text
    • http://www.mediaxin.net/images/roblox-person_GM431946152.pdfIn PDF document text
    • http://www.mediaxin.net/images/free-minecraft-alt-generator_GM479516143.pdfIn PDF document text
    • http://www.mediaxin.net/images/coin-master-unlimited-coins-hack-apk-download_GM406889139.pdfIn PDF document text
    • http://www.mediaxin.net/images/free-coin-master-spins-no-verification_GM406889139.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_off000044f1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x44F1 27148 bytes
SHA-256: ac783e1079caec8d840999874c6cc26a1ca06e71f0ef8c27f5272ea7acc1113d
font_01_sfnt_off00008365.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8365 18700 bytes
SHA-256: cd82fd057618e61f88de5dcbfbdf8dcaa9884b2739de6fa529a9953be94575dd

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