Malicious PDF — malware analysis report

Static analysis result for SHA-256 f1249d9822b8fab4…

MALICIOUS

PDF

227.3 KB Created: 2021-07-05 21:48:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 371a42e77caf6ec87ba8e074e5f2565b SHA-1: cf4a18b99f7ceb48ab4ffb42884c4a3cd7adb80a SHA-256: f1249d9822b8fab41b7dfd9843501c18b7df04c2c842d8a887cd9ab6e21f47b6
132 Risk Score

Malware Insights

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

The PDF document employs social engineering tactics, presenting a fake CAPTCHA and a prompt to install a browser extension to access 'Pokemon Go' cheats. It also contains a lure for payment redirection, suggesting a potential financial scam. The primary URL points to a site offering a game hack, reinforcing the malicious intent.

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-account-2021-game-hack
    • http://perpustakaan.akper-serulingmas.ac.id/repository/free-spins-for-coin-master-game_GM406889139.pdf
    • http://perpustakaan.akper-serulingmas.ac.id/repository/free-draw-game-roblox_GM431946152.pdf
    • http://perpustakaan.akper-serulingmas.ac.id/repository/free-face-roblox-catalog_GM431946152.pdf
    • http://perpustakaan.akper-serulingmas.ac.id/repository/coin-master-hack-apk-no-survey_GM406889139.pdf
    • http://perpustakaan.akper-serulingmas.ac.id/repository/roblox-twisted-murderer-hack_GM431946152.pdf
    • http://perpustakaan.akper-serulingmas.ac.id/repository/roblox-t-short-free_GM431946152.pdf
    • http://perpustakaan.akper-serulingmas.ac.id/repository/coin-master-free-spins-and-coins-blogspot_GM406889139.pdf
    • http://perpustakaan.akper-serulingmas.ac.id/repository/youtube-hack-any-roblox-account-straight-away_GM431946152.pdf
    • http://perpustakaan.akper-serulingmas.ac.id/repository/coin-master-free-spin-today_GM406889139.pdf
    • http://perpustakaan.akper-serulingmas.ac.id/repository/como-hackear-cuenta-de-roblox-facil_GM431946152.pdf
    • http://perpustakaan.akper-serulingmas.ac.id/repository/free-girl-roblox-clothes_GM431946152.pdf
    • http://perpustakaan.akper-serulingmas.ac.id/repository/robux-page_GM431946152.pdf
    • http://perpustakaan.akper-serulingmas.ac.id/repository/how-to-earn-free-spins-coin-master_GM406889139.pdf
    • http://perpustakaan.akper-serulingmas.ac.id/repository/roblox-hack-btool_GM431946152.pdf
    • http://perpustakaan.akper-serulingmas.ac.id/repository/how-to-get-free-robux-youtube_GM431946152.pdf
    • http://perpustakaan.akper-serulingmas.ac.id/repository/free-robux-console_GM431946152.pdf
    • http://perpustakaan.akper-serulingmas.ac.id/repository/how-to-get-free-robux-without-verification_GM431946152.pdf
    • http://perpustakaan.akper-serulingmas.ac.id/repository/how-to-hack-in-any-game-on-roblox_GM431946152.pdf
    • http://perpustakaan.akper-serulingmas.ac.id/repository/coin-master-apk_GM406889139.pdf
    • http://perpustakaan.akper-serulingmas.ac.id/repository/free-robux-rewards_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_023_off00032071.bin
ef91f6dbad661ea2188b54d956f2efb9742a79689f1a438f4f537a7ae391f984		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x32071 25576 bytes
font_01_sfnt_off00035c6d.bin
92dadb3e06fa2f18147911106f36f1eb0a8e9a1a39f1138594eff25c67d5c2b5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x35C6D 19004 bytes

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