Malicious PDF — malware analysis report

Static analysis result for SHA-256 be8b14491224ec0c…

MALICIOUS

PDF

226.9 KB Created: 2021-07-05 08:07:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: fa209691e9199122df02b81654bd0eb4 SHA-1: a1b3ccbad85218c185cabeb02b0beef3513827fc SHA-256: be8b14491224ec0ccece703e31461fb93be9053596d7cbc9d7211fc240fa603a
132 Risk Score

Malware Insights

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

The PDF document employs social engineering tactics, presenting a fake CAPTCHA and a download lure to trick the user into downloading a payload. The embedded URL points to a site offering a 'Pokemon Go Free Pokeballs 2021 Game Hack', which is a common pretext for malware distribution. The heuristics indicate a fake CAPTCHA, a download button lure, and a browser extension installation lure, all contributing to a high-confidence assessment of a malicious download attempt.

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-pokeballs-2021-game-hack
    • http://library.fisip.upnvj.ac.id/repository/free-spin-generator-for-coin-master_GM406889139.pdf
    • http://library.fisip.upnvj.ac.id/repository/how-to-setup-a-minecraft-server-for-free_GM479516143.pdf
    • http://library.fisip.upnvj.ac.id/repository/haktuts-2021-coin-master-free-spin-link_GM406889139.pdf
    • http://library.fisip.upnvj.ac.id/repository/free-roblox-gift-cards-generator-no-human-verification_GM431946152.pdf
    • http://library.fisip.upnvj.ac.id/repository/gaming-dunia-coin-master-free-spins_GM406889139.pdf
    • http://library.fisip.upnvj.ac.id/repository/tiktok-free-80_GM835599320.pdf
    • http://library.fisip.upnvj.ac.id/repository/can-i-play-roblox-for-free_GM431946152.pdf
    • http://library.fisip.upnvj.ac.id/repository/coin-master-links-free-spins_GM406889139.pdf
    • http://library.fisip.upnvj.ac.id/repository/is-roblox-free-on-nintendo-switch_GM431946152.pdf
    • http://library.fisip.upnvj.ac.id/repository/free-5-million-robux_GM431946152.pdf
    • http://library.fisip.upnvj.ac.id/repository/free-roblox-adopt-me-accounts_GM431946152.pdf
    • http://library.fisip.upnvj.ac.id/repository/free-robux-gift-card-generator_GM431946152.pdf
    • http://library.fisip.upnvj.ac.id/repository/free-coin-master-credit_GM406889139.pdf
    • http://library.fisip.upnvj.ac.id/repository/coin-master-game-hack-app_GM406889139.pdf
    • http://library.fisip.upnvj.ac.id/repository/how-to-get-free-robux-by-playing-games_GM431946152.pdf
    • http://library.fisip.upnvj.ac.id/repository/how-you-get-free-robux_GM431946152.pdf
    • http://library.fisip.upnvj.ac.id/repository/roblox-com-free_GM431946152.pdf
    • http://library.fisip.upnvj.ac.id/repository/free-printable-coloring-pages-roblox_GM431946152.pdf
    • http://library.fisip.upnvj.ac.id/repository/free-coins-on-coin-master_GM406889139.pdf
    • http://library.fisip.upnvj.ac.id/repository/how-to-get-free-robux-hack-2021_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_023_off00031ed7.bin
7801fe88dffd39515a6983fc995fe9dff8876d406e534993faebd56532b2d93a		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x31ED7 25576 bytes
font_01_sfnt_off00035adb.bin
503ca464ad12d39211f4b03e2daf18a2c4352d4f2907f74d4355ac1af7844ef3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x35ADB 18992 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.