Malicious PDF — malware analysis report

Static analysis result for SHA-256 dc1ec174c23a0910…

MALICIOUS

PDF

34.8 KB Created: 2021-07-02 03:41:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: a24e3deca33d31564679df0eb3cf8344 SHA-1: 1de17c360f66efc38c3ed93a0805f2ab576877c0 SHA-256: dc1ec174c23a091079674a4d58d7873361c894994298a1214bf1cb6095df6547
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.co/app/431946152/how-to-get-robux-for-free-on-pc-without-downloading-game-hack PDF link annotation
    • http://mtsn-baranti.com/perpus/repository/get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-tiktok-followers-com_GM835599320.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/give-me-robux-now_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-robux-com-2021_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/robux-pastebin-hack-2021_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-spin-link-coin-master-today_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-mod-apk-coin-master_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-help-free-robux_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/tiktok-free-google-home-mini_GM835599320.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-booga-booga-coin-hack_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/hack-spin-coin-master_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/rbxoffers-earn-free-robux_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-robux-on-ipad-pro_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-free-purple-hat_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-coin-master-s_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-avatar-the-last-airbender-hack_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/coin-master-free-spins-whatsapp-link_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/infinity-heroes-roblox-hack_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/robux-free-codes-2021_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-hack-for-synapse-x_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f4f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F4F 22088 bytes
SHA-256: 1c37197e0e27ed871f4e54b1da7e09e58022dbd707d7f38a5ad4ef9db66a4bf4
font_01_sfnt_off00006022.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6022 20036 bytes
SHA-256: 32e1f56617cb377429a1c8005e8b3679e8dd86d32c615f01aba124a1d4137714

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