Malicious PDF — malware analysis report

Static analysis result for SHA-256 46e2e251ea01b645…

MALICIOUS

PDF

226.3 KB Created: 2021-07-09 08:15:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 5040c6391e51b98f5a7fadb41302688e SHA-1: 09521a82d43b34171500cf542bb75fa4ed9004bb SHA-256: 46e2e251ea01b645f9fa77f0f88d2347abfb8a7fe868d3b3d4e511de8754b89c
132 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The document presents a fake CAPTCHA and a download lure to trick users into executing a malicious payload. It also contains multiple embedded URLs, one of which is associated with a "Pokemon Go Free Lures Game Hack", suggesting a social engineering tactic to encourage downloads. The presence of a payment redirection lure indicates a potential business email compromise pattern.

Machine Learning

  • Nyx PDF Classifier clean score 0.0118

Heuristics 6

  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • 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/1094591345/pokemon-go-free-lures-game-hack
    • http://librarystkippgribl.com/repository/free-tiktok-followers-trial_GM835599320.pdf
    • http://librarystkippgribl.com//repository/get-free-coin-master_GM406889139.pdf
    • http://librarystkippgribl.com/repository/coin-master-pet-food-free_GM406889139.pdf
    • http://librarystkippgribl.com/repository/coin-master-hack-pc-download_GM406889139.pdf
    • http://librarystkippgribl.com/repository/how-to-get-free-stuff-on-roblox-on-ipad_GM431946152.pdf
    • http://librarystkippgribl.com/repository/coins-master_GM406889139.pdf
    • http://librarystkippgribl.com/repository/pubg-uc-generator-2021_GM1330123889.pdf
    • http://librarystkippgribl.com/repository/how-to-create-group-in-coin-master-free-spins_GM406889139.pdf
    • http://librarystkippgribl.com//repository/coin-master-daily-free-spins-link-today-blogspot_GM406889139.pdf
    • http://librarystkippgribl.com//repository/coin-master-attack-madness-hack_GM406889139.pdf
    • http://librarystkippgribl.com/repository/coin-master-claim-spins_GM406889139.pdf
    • http://librarystkippgribl.com//repository/www-roblox-com-robux_GM431946152.pdf
    • http://librarystkippgribl.com/repository/free-spins-for-coin-masters_GM406889139.pdf
    • http://librarystkippgribl.com/repository/pubg-uc-20_GM1330123889.pdf
    • http://librarystkippgribl.com/repository/pubg-2021-uc_GM1330123889.pdf
    • http://librarystkippgribl.com//repository/hack-free-spin-coin-master_GM406889139.pdf
    • http://librarystkippgribl.com//repository/free-robux-generator-2021-no-human-verification-or-survey_GM431946152.pdf
    • http://librarystkippgribl.com//repository/coin-master-hack-without-root_GM406889139.pdf
    • http://librarystkippgribl.com//repository/coin-master-free-spins-app_GM406889139.pdf
    • http://librarystkippgribl.com/repository/working-coin-master-hack_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_023_off00031e4f.bin
99ac475e41166148e0f00dae78aabb6feca5a5c0825440989e831013ef3ebc3d		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x31E4F 25576 bytes
font_01_sfnt_off00035a4f.bin
fd3e47bfbe46ff84121da50e0276c4d91218026c87ad7491345faaded76bce14		 pdf-font-stream PDF embedded font (sfnt) at offset 0x35A4F 18496 bytes

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