Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2b57f8fe1aee326…

MALICIOUS

PDF

48.7 KB Created: 2021-06-09 11:33:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 007eef3bfe62161f47ddb3062f332296 SHA-1: 54c04eae85543dc59a168b3c843fb46a34bd8431 SHA-256: e2b57f8fe1aee326144079c72dac198caec79fd1726a98280a4328c978b9f6ac
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors, disguised as free game hacks. The document body and heuristics indicate a lure to download or access potentially harmful content. No scripts were extracted, but the embedded URLs are the primary indicators of malicious intent, likely leading to further malware downloads or phishing pages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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.tw/app/431946152/free-hack-on-roblox-no-email-or-no-password-game-hack In PDF document text
    • https://registracomodo.it/wp-content/uploads/fsqm-files/how-to-hack-linkmon99-roblox_GM431946152.pdfIn PDF document text
    • https://registracomodo.it/wp-content/uploads/fsqm-files/minecraft-marketplace-free_GM479516143.pdfIn PDF document text
    • https://registracomodo.it/wp-content/uploads/fsqm-files/free-robux-promo-codes-2021-no-inspect_GM431946152.pdfIn PDF document text
    • https://registracomodo.it/wp-content/uploads/fsqm-files/get-minecraft-windows-10-free_GM479516143.pdfIn PDF document text
    • https://registracomodo.it/wp-content/uploads/fsqm-files/roblox-the-conquerors-3-cheats_GM431946152.pdfIn PDF document text
    • https://registracomodo.it/wp-content/uploads/fsqm-files/cool-roblox-shirts-free-shipping_GM431946152.pdfIn PDF document text
    • https://registracomodo.it/wp-content/uploads/fsqm-files/free-robux-websites-that-actually-work_GM431946152.pdfIn PDF document text
    • https://registracomodo.it/wp-content/uploads/fsqm-files/robux-hack-me_GM431946152.pdfIn PDF document text
    • https://registracomodo.it/wp-content/uploads/fsqm-files/how-to-hack-robux-with-cheat-engine-61_GM431946152.pdfIn PDF document text
    • https://registracomodo.it/wp-content/uploads/fsqm-files/how-to-get-minecraft-dungeons-for-free_GM479516143.pdfIn PDF document text
    • https://registracomodo.it/wp-content/uploads/fsqm-files/roblox-moon-tycoon-hack_GM431946152.pdfIn PDF document text
    • https://registracomodo.it/wp-content/uploads/fsqm-files/roblox-free-camera-not-working_GM431946152.pdfIn PDF document text
    • https://registracomodo.it/wp-content/uploads/fsqm-files/donating-free-robux-live_GM431946152.pdfIn PDF document text
    • https://registracomodo.it/wp-content/uploads/fsqm-files/roblox-free-draw-alpha-2_GM431946152.pdfIn PDF document text
    • https://registracomodo.it/wp-content/uploads/fsqm-files/play-roblox-robux-free_GM431946152.pdfIn PDF document text
    • https://registracomodo.it/wp-content/uploads/fsqm-files/free-followers-for-tiktok_GM835599320.pdfIn PDF document text
    • https://registracomodo.it/wp-content/uploads/fsqm-files/how-to-get-free-robux-on-ipad_GM431946152.pdfIn PDF document text
    • https://registracomodo.it/wp-content/uploads/fsqm-files/free-roblox-gift-card-pin-codes_GM431946152.pdfIn PDF document text
    • https://registracomodo.it/wp-content/uploads/fsqm-files/download-roblox-generator-hackrar_GM431946152.pdfIn PDF document text
    • https://registracomodo.it/wp-content/uploads/fsqm-files/roblox-eclipsis-hack_GM431946152.pdfIn 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_off0000545b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x545B 25836 bytes
SHA-256: 5362705f7af307cf03e2420189a8bac0aa9c41dc42af828847572e9d49a532f7
font_01_sfnt_off00008e9d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E9D 3016 bytes
SHA-256: 4c3e2db5174821787a4569c9da4979555510caebd15fb9cea35573c139e242bd
font_02_sfnt_off00009901.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9901 19220 bytes
SHA-256: 5ae10c1dd9255e8d78809beac6f694ca37c7fc28a1fe148351fa998715154607

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