Malicious PDF — malware analysis report

Static analysis result for SHA-256 14e21408314f0f37…

MALICIOUS

PDF

35.4 KB Created: 2021-07-05 05:50:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: ca78dcb7960420685e573caf35d104e6 SHA-1: a5f06c39450d03af9f0aea739effa87971423e08 SHA-256: 14e21408314f0f377222ddea04deea4e594e2d0cfdae60e3590de5d620596fe5
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to external websites, many of which are disguised as game hacks or generators for popular games like Roblox and Coin Master. These links likely lead to malicious sites designed to trick users into downloading malware or revealing personal information. The ML classifier also strongly indicated maliciousness.

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/431946152/roblox-tix-generator-game-hack PDF link annotation
    • http://www.pspmrsmmbk.com/cendana//repository/free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/easy-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/working-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/roblox-piano-keyboard-hacks_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/minecraft-skins-free-girl_GM479516143.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/coin-master-spins-hack-iphone_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/mobile4free24-com-free-robux_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/hack-roblox-plusieur-onglet_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/hacks-for-roblox-the-labyrinth_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/offers-to-complete-and-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/how-to-get-to-village-3-in-coin-master_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/roblox-cheats-code-for-money_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/hacking-egg-roblox_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/coin-master-daily-gift-free-spins-and-coins-link-today_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/roblox-old-avatar_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/roblox-buy-robux-free_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/free-robux-hack-working-2021_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/coin-master-free-spins-and-coins-app-download_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/free-minecraft-website_GM479516143.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/minecraft-116-free-download_GM479516143.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_off00003446.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3446 22388 bytes
SHA-256: c191ef0bfbbe423b4f8a48eef6e9c84c79efa63f6404dcf085e51b915163d019
font_01_sfnt_off00006624.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6624 18708 bytes
SHA-256: daa22b8bb005331fde74502c960c52189fe341f913bf736a77593826474d8f92

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