Malicious PDF — malware analysis report

Static analysis result for SHA-256 d5c7c2168f22a3ab…

MALICIOUS

PDF

48.3 KB Created: 2021-05-16 19:02:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: ee6205159c8392ef0e166f2ba78e0e32 SHA-1: 59f0ff6a7095adfcf7b4e42078959a381561ccc1 SHA-256: d5c7c2168f22a3aba42aeda48eb1fd0734ce37cec598955d3c2c36bfef136703
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, specifically promoting 'free generator' or 'game hack' lures. The primary link directs to a URL associated with game hacks, likely intended to trick users into downloading further malware. No scripts were extracted, but the document's structure and embedded URLs strongly indicate a phishing or social engineering attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9013

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/google-how-do-you-get-free-robux-game-hack In PDF document text
    • http://www.mediaxin.net/images/free-robux-discord_GM431946152.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/robuxy-com-free-robux_GM431946152.pdfIn PDF document text
    • http://www.mediaxin.net/images/can-you-actually-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.mediaxin.net/images/easy-way-to-get-robux_GM431946152.pdfIn PDF document text
    • http://www.mediaxin.net/images/is-minecraft-dungeons-free_GM479516143.pdfIn PDF document text
    • http://www.mediaxin.net/images/coin-master-500-free-spins_GM406889139.pdfIn PDF document text
    • http://www.mediaxin.net/images/free-unlimited-coin-master-online-tool_GM406889139.pdfIn PDF document text
    • http://www.mediaxin.net/images/minecraft_GM479516143.pdfIn PDF document text
    • http://www.mediaxin.net/images/free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://www.mediaxin.net/images/how-to-get-free-robux-in-2021_GM431946152.pdfIn PDF document text
    • http://www.mediaxin.net/images/robux-survey_GM431946152.pdfIn PDF document text
    • http://www.mediaxin.net/images/hack-coin-master-net_GM406889139.pdfIn PDF document text
    • http://www.mediaxin.net/images/coin-master-links-for-today_GM406889139.pdfIn PDF document text
    • http://www.mediaxin.net/images/coin-master-60-spins_GM406889139.pdfIn PDF document text
    • http://www.mediaxin.net/images/can-you-get-minecraft-windows-10-for-free_GM479516143.pdfIn PDF document text
    • http://www.mediaxin.net/images/hacks-master-coin_GM406889139.pdfIn PDF document text
    • http://www.mediaxin.net/images/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://www.mediaxin.net/images/coin-master-hack-pro-gamers_GM406889139.pdfIn PDF document text
    • http://www.mediaxin.net/images/robux-online_GM431946152.pdfIn PDF document text
    • https://www.nrzroblox.comIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000048cc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x48CC 28744 bytes
SHA-256: 89463dafb2a4d8c58220fd6af612ffcadfe78a65fb8eda12efdd9716300cb369
font_01_sfnt_off00008b3f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B3F 5696 bytes
SHA-256: 450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139
font_02_sfnt_off00009850.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9850 18972 bytes
SHA-256: 7e42234451cc840f7005e057c881a5adaeb6eb05dfbb8a23217c49a1ae6b06df

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