Malicious PDF — malware analysis report

Static analysis result for SHA-256 e8327fa0cac76822…

MALICIOUS

PDF

226.9 KB Created: 2021-07-08 20:42:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: ab745df55a2492f4478f88539bc92c97 SHA-1: 66168f51a22b07bf0e5f53a95f0ac286201dc4a7 SHA-256: e8327fa0cac768228f88b91852f738bc5c68c27486329b6300e97fbe8322cc3e
132 Risk Score

Malware Insights

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

The PDF document contains multiple lures, including a fake CAPTCHA and a call-to-action button, to trick users into downloading potentially malicious content. The embedded URL points to a site offering a 'pokemon-go-free-id-game-hack', suggesting a social engineering attack aimed at users seeking game cheats or exploits. While no scripts were directly extracted, the PDF structure and embedded URLs indicate a malicious intent to redirect users to external sites for further compromise.

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-id-game-hack PDF link annotation
    • http://stitqi.ac.id/website//repository/noob-vs-pro-vs-hacker-vs-god-minecraft_GM479516143.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/rbx-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/minecraft-free-download-no-virus_GM479516143.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/get-coin-master-cards-free_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/hack-coin-master-using-pc_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/free-coin-master-spins-link-facebook_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/moonactive-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/how-to-get-free-hats-on-roblox_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/minecraft-114-4-download-free_GM479516143.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/how-to-hack-any-roblox-game-2021_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/wizard-life-roblox-spells-free_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/how-to-get-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/roblox-controversy_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/how-to-hack-any-roblox-account_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/how-to-make-a-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/free-daily-spin-coin-master-game_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/hack-my-game-xyz-coin-master_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/free-minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/robuxmatchcon_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_023_off00032075.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x32075 25576 bytes
SHA-256: d7b87c0ec62c3302075207b0ccb8edeb8bec1f70399d4f323e0a225b168ab3a0
font_01_sfnt_off00035c7d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x35C7D 18532 bytes
SHA-256: 89de4b212fd3e90026ccd4caf58536de98ade9013b611a6c68559a322b08032d

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