Malicious PDF — malware analysis report

Static analysis result for SHA-256 be3123f22404b16b…

MALICIOUS

PDF

34.8 KB Created: 2021-07-04 19:19:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 874fde6c08f116b23dc96edf36261249 SHA-1: 0eaafe1cde6ccfe92c079aafa81b7ae3c6bbdef9 SHA-256: be3123f22404b16b8d1e647ec5d4af419efffd16d695d519f03dddaed8c0f22b
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.tw/app/406889139/send-me-500-2021-spins-game-hack PDF link annotation
    • http://www.alrashed-alsaleh.com/userfiles/files/daily-free-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • http://www.alrashed-alsaleh.com/userfiles/files/what-is-a-free-robux-code_GM431946152.pdfIn PDF document text
    • http://www.alrashed-alsaleh.com/userfiles/files/coin-master-free-spins-link-today-new-2021_GM406889139.pdfIn PDF document text
    • http://www.alrashed-alsaleh.com/userfiles/files/coin-master-hack-activegamer_GM406889139.pdfIn PDF document text
    • http://www.alrashed-alsaleh.com/userfiles/files/minecraft-pe-hack-client-2021_GM479516143.pdfIn PDF document text
    • http://www.alrashed-alsaleh.com/userfiles/files/how-to-make-your-own-minecraft-pe-server-for-free_GM479516143.pdfIn PDF document text
    • http://www.alrashed-alsaleh.com/userfiles/files/free-robux-glitch-2021_GM431946152.pdfIn PDF document text
    • http://www.alrashed-alsaleh.com/userfiles/files/free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://www.alrashed-alsaleh.com/userfiles/files/coin-master-35-16-hack-apk_GM406889139.pdfIn PDF document text
    • http://www.alrashed-alsaleh.com/userfiles/files/coin-master-spin-free_GM406889139.pdfIn PDF document text
    • http://www.alrashed-alsaleh.com/userfiles/files/free-robux-app-2021_GM431946152.pdfIn PDF document text
    • http://www.alrashed-alsaleh.com/userfiles/files/crystalsheepyoutube-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.alrashed-alsaleh.com/userfiles/files/free-gold-cards-for-coin-master_GM406889139.pdfIn PDF document text
    • http://www.alrashed-alsaleh.com/userfiles/files/free-download-roblox-unlimited-robux_GM431946152.pdfIn PDF document text
    • http://www.alrashed-alsaleh.com/userfiles/files/coin-master-free-daily-spins-link_GM406889139.pdfIn PDF document text
    • http://www.alrashed-alsaleh.com/userfiles/files/free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
    • http://www.alrashed-alsaleh.com/userfiles/files/how-to-get-tiktok-followers-free_GM835599320.pdfIn PDF document text
    • http://www.alrashed-alsaleh.com/userfiles/files/get-verified-tiktok-free_GM835599320.pdfIn PDF document text
    • http://www.alrashed-alsaleh.com/userfiles/files/www-rubux_GM431946152.pdfIn PDF document text
    • http://www.alrashed-alsaleh.com/userfiles/files/free-robux-please_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_off0000324c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x324C 22592 bytes
SHA-256: c72b4faa9bdc9034e4979afbce396277a026ad0e51f92e11ee330f60757d0e46
font_01_sfnt_off000064bb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64BB 18476 bytes
SHA-256: 7e281cf23e17bef723e72ae94e06db4f52428b79897aaa6f1c475822fe833001

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