Malicious PDF — malware analysis report

Static analysis result for SHA-256 95f272ae61cca446…

MALICIOUS

PDF

33.6 KB Created: 2021-07-09 03:52:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 2abed0942d1c400d771bee6cbbde6888 SHA-1: 8bda5c9a13c043278153b5261a9ecfb258f1a462 SHA-256: 95f272ae61cca446baa78e6bdbaebbd8eecdfa5294cc14c0df1a41972a5b7148
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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.tw/app/406889139/hackear-coin-master-sin-root-game-hack PDF link annotation
    • http://digilib.iailm.ac.id/repository/wurst-112_GM479516143.pdfIn PDF document text
    • http://digilib.iailm.ac.id//repository/coin-master-free-soins_GM406889139.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/free-robux-generator-not-a-scam_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/royale-high-roblox-outfit-hacks_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id//repository/roblox-free-hair-girl_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id//repository/free-online-minecraft-server_GM479516143.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/how-do-i-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/free-backpack-roblox_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/no-human-verification-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id//repository/minecraft-clipart-free_GM479516143.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/roblox-cheat-speed_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/comment-hacker-roblox-accesoir-2021_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/robux-sign_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id//repository/free-spins-on-coin-master-app_GM406889139.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/tiktok-free-pizza_GM835599320.pdfIn PDF document text
    • http://digilib.iailm.ac.id//repository/stock-speed-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/roblox-games-free-to-play-online_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/bugmenot-roblox-free-robux_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/pastebin-robux-hack_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id//repository/coin-master-hack-generator-tool_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_off00002f89.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F89 22448 bytes
SHA-256: 315b9007ac1ebb0eb88224f7c6204660c1b6cedbfb31564207a22a8807141b45
font_01_sfnt_off0000616b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x616B 18004 bytes
SHA-256: 08624150e58758f406cd174736f937a82fb2a2167488774787474989852631aa

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