Malicious PDF — malware analysis report

Static analysis result for SHA-256 8ec106d95a8fa5a1…

MALICIOUS

PDF

32.1 KB Created: 2021-06-29 01:06:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 5ce4474257e67b3e85508d7640f4ae9e SHA-1: d6b4113d915792ae9e47bc2e2a982992edb0fcdf SHA-256: 8ec106d95a8fa5a186f51b9001c3bc0edef09c9ce7ed1d991a0c1799e66b042f
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 0.9824

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-hack-ios-game-hack PDF link annotation
    • http://lib.mappifhui.org/repository/gamekit-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/coin-master-apk-hack-mod-download_GM406889139.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/pastebin-free-robux-by-agarminer_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/coin-master-2021-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/free-robux-negg_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/free-robux-no-gift-card_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/when-pokemon-go-free-will_GM1094591345.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/robux-cheat-2021_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/coin-master-spins-hack-iphone_GM406889139.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/is-there-a-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/how-to-get-free-vip-present-on-adopt-me-roblox_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/free-coin-master-hacks-no-verification-or-survey_GM406889139.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/roblox-dbo-stat-hack_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/get-free-items-roblox-pastebin_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/king-hack-roblox_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/get-wall-hacks-in-roblox_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/coin-master-hack-xyz-download-free_GM406889139.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/minecraft-that-you-can-play-for-free_GM479516143.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/free-robux-accounts_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/coin-master-hack-app-download-free_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_off00002947.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2947 22136 bytes
SHA-256: 1aad2f3b911769e35815fc93a876cc1fe1d1e975a4a7fdf7d71ec79de717c854
font_01_sfnt_off000059c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x59C0 18656 bytes
SHA-256: b3477c45a33cf632c9869a66aa1cf28bc54a9d968fdf25e87ed575c72fa2d7b2

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