Malicious PDF — malware analysis report

Static analysis result for SHA-256 05833d58a947239a…

MALICIOUS

PDF

34.9 KB Created: 2021-06-19 03:05:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 69e96806f12c94bda0ccac12c42daa37 SHA-1: 11eb6952f302ab856446188aff19d9d08023a7ac SHA-256: 05833d58a947239a720fe4233efe2569a1c6c5a97aa607de218549837d8e624e
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links to known malicious redirector infrastructure, disguised as "free generator / game hack" lures. The document body explicitly mentions "Free Robux And Tix Generator No Human Verification" and includes the primary malicious URL. The presence of these links and the lure strongly suggests an attempt to redirect users to potentially harmful websites, likely for further malware delivery or phishing.

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 http://netcdn.co/app/431946152/free-robux-and-tix-generator-no-human-verification-game-hack In PDF document text
    • http://pustaka-smpn3tpi.com//repository/coin-master-new-cards-hack_GM406889139.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/coin-master-hack-ios-apk_GM406889139.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/coin-master-hack-ios-12_GM406889139.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/free-clothing-items-roblox_GM431946152.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/coin-master-hack-tool-no-survey_GM406889139.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com//repository/minecraft-svg-images-free_GM479516143.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com//repository/robux-fun-hack_GM431946152.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com//repository/free-robux-no-verification-needed_GM431946152.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com//repository/hacking-apps-for-roblox_GM431946152.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/coin-master-100-spin_GM406889139.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/coin-master-free-spins-hack-apk-download_GM406889139.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/coin-master-free-fire_GM406889139.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com//repository/roblox-royale-high-diamond-hack_GM431946152.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/coin-master-free-spins-a2z-help_GM406889139.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/watch-ads-for-robux_GM431946152.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/coin-master-daily-link_GM406889139.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com//repository/coin-master-daily-free-coins-link_GM406889139.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/free-minecraft-java-edition_GM479516143.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/how-to-hack-coin-master-ios-2021_GM406889139.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com//repository/free-hair-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
font_00_sfnt_off000030b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30B1 22320 bytes
SHA-256: 24329f148b80408abb0c71216bb79b1b6a6e4fa9f82687969398dc608c1a5663
font_01_sfnt_off0000623e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x623E 19508 bytes
SHA-256: 0cdd4e96485f92f5f573c0a5a3419a3fad0dc5e0decab23ba312549f5d7d8071

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