Malicious PDF — malware analysis report

Static analysis result for SHA-256 803e5efaf5717122…

MALICIOUS

PDF

34.5 KB Created: 2021-06-18 11:31:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 607e832dbfbcbac9c65615dd710bf75c SHA-1: 75cec71c51ba4ac5529effac374c62ca265eede9 SHA-256: 803e5efaf5717122ed5a37ee1e39cc4a4d9d220ae2a2ef1071aa0c3a0a83e203
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/roblox-2k-hacks-game-hack PDF link annotation
    • http://mtsn-baranti.com/perpus/repository/how-to-make-your-own-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-tik-tok-2021_GM835599320.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/coin-master-cheat-codes_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/minecraft-pe-mod-menu_GM479516143.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-roblox-accounts-with-robux-that-work-not-banned-2021_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-robux-pastebin-no-wait-or-suscribe_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/how-to-hack-and-get-free-robux_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-apoc-hacks_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-robux-no-survey_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/coin-master-free-coins-2021_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/how-to-get-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-hack-strucid_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-college-textbooks-tiktok_GM835599320.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-install-free_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/coin-master-free-coins-link_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/minecraft-ps4-code-free_GM479516143.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/coin-master-free-spins-link-2021-today_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_off000030ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30EF 22352 bytes
SHA-256: c248c8d5b9222adf3cf2f9d40f4199ec17d940017fd392c9d58f7b7101fa0510
font_01_sfnt_off00006283.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6283 18780 bytes
SHA-256: 08377e6c56a296debf76abc8762f553c44021f9f9fada7797d11208bfea10cd8

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