Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0f76ea398076760…

MALICIOUS

PDF

39.9 KB Created: 2021-04-22 16:29:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 7e9997ef3c3c31cf4b51e4af01d64283 SHA-1: 37419344b18d87bb397529c66c481cfbbb5b2223 SHA-256: e0f76ea39807676013198a1d8e1b7459a5eb33370c47e9e2ad7420fa161bccc0
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 0.9941

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 https://netsecure.pro/app/431946152/free-roblox-hacker-com-free-roblox-hack-game-hack PDF link annotation
    • http://italymania.ru/images/free-robux-simple-easy.pdfIn PDF document text
    • http://italymania.ru/images/how-to-make-roblox-hack-scripts.pdfIn PDF document text
    • http://italymania.ru/images/roblox-money-cheat-2021.pdfIn PDF document text
    • http://italymania.ru/images/hacker-names-on-roblox.pdfIn PDF document text
    • http://italymania.ru/images/hack-free-robux-no-human-notification.pdfIn PDF document text
    • http://italymania.ru/images/lua-roblox-hack-scripts.pdfIn PDF document text
    • http://italymania.ru/images/roblox-lumber-tycoon-2-i-cheated-for-this-box.pdfIn PDF document text
    • http://italymania.ru/images/10-ways-to-get-robux-for-free.pdfIn PDF document text
    • http://italymania.ru/images/free-robux-generator-no-download-2021.pdfIn PDF document text
    • http://italymania.ru/images/free-admin-roblox-how-to-get.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_off00003c7b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3C7B 27096 bytes
SHA-256: ab22ad8a9d71a5d063ca0203f5a8b46640296c421d831217743ddc520962198e
font_01_sfnt_off0000791a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x791A 18608 bytes
SHA-256: 130e85de8fa29429d4a744800e573061d84539827782e8700898185430cd4f8a

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