Malicious PDF — malware analysis report

Static analysis result for SHA-256 86f1892210f14fcf…

MALICIOUS

PDF

34.9 KB Created: 2021-07-02 05:59:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 6cea2afddbac9d4e206cf8838187e6e8 SHA-1: e0a2484b13232a92e06cdfbe636d3f37353f1b4c SHA-256: 86f1892210f14fcf6154757df9de7d0f8d4e86db6c80eaff7a4372b4340dec08
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure of free game hacks and generators to trick users into clicking malicious links. The embedded URLs, such as http://netcdn.co/app/431946152/infinity-gauntlet-roblox-free-game-hack, are known to lead to malicious redirectors. The document's structure and content strongly suggest a phishing or scam attempt designed to lead users to potentially harmful websites.

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/infinity-gauntlet-roblox-free-game-hack In PDF document text
    • https://elearning.man4banjar.com/__statics/gudangsoal/files/hack-to-get-unlimeted-robux-free_GM431946152.pdfIn PDF document text
    • https://elearning.man4banjar.com/__statics/gudangsoal/files/troll-hack-script-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.man4banjar.com/__statics/gudangsoal/files/free-spins-and-coins-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.man4banjar.com/__statics/gudangsoal/files/how-to-hack-people-roblox-account_GM431946152.pdfIn PDF document text
    • https://elearning.man4banjar.com/__statics/gudangsoal/files/clothes-for-roblox-free_GM431946152.pdfIn PDF document text
    • https://elearning.man4banjar.com/__statics/gudangsoal/files/how-to-get-everything-on-roblox-for-free_GM431946152.pdfIn PDF document text
    • https://elearning.man4banjar.com/__statics/gudangsoal/files/2021-hacks-for-robloxs-aimbot_GM431946152.pdfIn PDF document text
    • https://elearning.man4banjar.com/__statics/gudangsoal/files/best-roblox-exploits-free-v3rmillion-november-2021_GM431946152.pdfIn PDF document text
    • https://elearning.man4banjar.com/__statics/gudangsoal/files/free-robux-tutorial-mac_GM431946152.pdfIn PDF document text
    • https://elearning.man4banjar.com/__statics/gudangsoal/files/bux-gg-robux-free_GM431946152.pdfIn PDF document text
    • https://elearning.man4banjar.com/__statics/gudangsoal/files/minecraft-hacks_GM479516143.pdfIn PDF document text
    • https://elearning.man4banjar.com/__statics/gudangsoal/files/free-robloxs-birthday-cards_GM431946152.pdfIn PDF document text
    • https://elearning.man4banjar.com/__statics/gudangsoal/files/how-to-get-a-free-car-in-bloxburg-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.man4banjar.com/__statics/gudangsoal/files/cheat-codes-in-workout-simulator-in-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.man4banjar.com/__statics/gudangsoal/files/minecraft-story-mode-free_GM479516143.pdfIn PDF document text
    • https://elearning.man4banjar.com/__statics/gudangsoal/files/roblox-lua-hacks_GM431946152.pdfIn PDF document text
    • https://elearning.man4banjar.com/__statics/gudangsoal/files/hack-tiktok-fans-free_GM835599320.pdfIn PDF document text
    • https://elearning.man4banjar.com/__statics/gudangsoal/files/free-robux-farm_GM431946152.pdfIn PDF document text
    • https://elearning.man4banjar.com/__statics/gudangsoal/files/roblox-infinite-health-hack-2021_GM431946152.pdfIn PDF document text
    • https://elearning.man4banjar.com/__statics/gudangsoal/files/how-to-get-free-robux-2021-no-human-verification_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_off0000309a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x309A 22440 bytes
SHA-256: 27cb1184dee8fb1fefd5b05872f9b6505ef70894de0949e643e5a3f51c604814
font_01_sfnt_off000062b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62B9 19196 bytes
SHA-256: 47d78c1dfb61e8b8662d35f317c91c1c0aae713978a8939710e60d4d273e1a43

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