Malicious PDF — malware analysis report

Static analysis result for SHA-256 63274d679370f36d…

MALICIOUS

PDF

226.3 KB Created: 2021-07-05 10:22:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: db6df17f040975087ccc2aafc6dcb929 SHA-1: 5be0bdf7b845053dc12ca86e2543d051b976661d SHA-256: 63274d679370f36dee4a2be05df81a4460775f92fa86c81b598c74381a48539f
132 Risk Score

Malware Insights

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

The PDF document employs social engineering tactics, including a fake CAPTCHA and a download button lure, to deceive users. It also contains a payment redirection lure, suggesting a potential business email compromise scenario. The embedded URL points to a site offering game-related hacks, which is a common lure for malware distribution or credential harvesting.

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-gift-codes-game-hack
    • http://otomasi.stikesmuhgombong.ac.id//repository/coin-master-cards-for-free_GM406889139.pdf
    • http://otomasi.stikesmuhgombong.ac.id/repository/free-robux-no_GM431946152.pdf
    • http://otomasi.stikesmuhgombong.ac.id/repository/5-games-that-give-out-free-robux_GM431946152.pdf
    • http://otomasi.stikesmuhgombong.ac.id//repository/get-free-spins-coin-master-october-2021_GM406889139.pdf
    • http://otomasi.stikesmuhgombong.ac.id/repository/roblox-pokemon-adventures-cheats_GM431946152.pdf
    • http://otomasi.stikesmuhgombong.ac.id/repository/roblox-xbox-1-cheats_GM431946152.pdf
    • http://otomasi.stikesmuhgombong.ac.id/repository/hack-to-join-flamingo-in-roblox_GM431946152.pdf
    • http://otomasi.stikesmuhgombong.ac.id/repository/wurst-115-2_GM479516143.pdf
    • http://otomasi.stikesmuhgombong.ac.id/repository/roblox-prison-life-hack-script_GM431946152.pdf
    • http://otomasi.stikesmuhgombong.ac.id//repository/how-to-get-free-roblox-items_GM431946152.pdf
    • http://otomasi.stikesmuhgombong.ac.id//repository/coin-master-hack-tool-without-verification_GM406889139.pdf
    • http://otomasi.stikesmuhgombong.ac.id/repository/roblox-games-with-free-vip-servers_GM431946152.pdf
    • http://otomasi.stikesmuhgombong.ac.id//repository/free-spins-coin-master-2021-hack_GM406889139.pdf
    • http://otomasi.stikesmuhgombong.ac.id/repository/minecraft-games-free-download_GM479516143.pdf
    • http://otomasi.stikesmuhgombong.ac.id/repository/free-bird-roblox-id_GM431946152.pdf
    • http://otomasi.stikesmuhgombong.ac.id/repository/bypass-roblox-chat-filter-hack_GM431946152.pdf
    • http://otomasi.stikesmuhgombong.ac.id/repository/how-to-free-robux-no-human-verification_GM431946152.pdf
    • http://otomasi.stikesmuhgombong.ac.id/repository/hack-configuration-robux_GM431946152.pdf
    • http://otomasi.stikesmuhgombong.ac.id/repository/free-robux-admin-code-pastebin_GM431946152.pdf
    • http://otomasi.stikesmuhgombong.ac.id/repository/coin-master-facebook-page_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_023_off00031d22.bin
5f944fd912559a542e19de9ba2fedf3353c280d7de4f5807e3316c1f6137a0c9		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x31D22 25576 bytes
font_01_sfnt_off00035926.bin
113ff95ef02fa13a091af95803747d0f36460bfa6b2364c1be28d637ba393a32		 pdf-font-stream PDF embedded font (sfnt) at offset 0x35926 18756 bytes

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