Malicious PDF — malware analysis report

Static analysis result for SHA-256 6c32eaecf30090d4…

MALICIOUS

PDF

42.6 KB Created: 2021-05-12 01:16:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: f32ac9473c09ba475741072487a5ec93 SHA-1: d4bbf72d0d384c5c49ca260bd16c83101a496d70 SHA-256: 6c32eaecf30090d406a1e9aa8ea7929ec6218817721cf718dfb1f82fd0567aa9
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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 https://netcdn.xyz/app/406889139/coin-master-free-spins-daily-link-game-mod-game-hack PDF link annotation
    • http://wadimor.co.id/media/imagesfiles/minecraft-java-free-account_GM479516143.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/coin-master-100-spin-slot_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/minecraft-free-minecoins_GM479516143.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/minecraft-texture-packs-free-download_GM479516143.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/free-robux-no-password_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/coin-master-free-spins-save_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/free-spins-coin-master-unlimited_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/how-to-get-free-minecraft-skins_GM479516143.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/how-to-hack-to-get-robux_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/robux-com-free_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/how-to-earn-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/how-do-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/hack-coin-master-no-verification_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/rbxdemon_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/coin-master-hack-2021-no-survey_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/minecraft-noob-vs-pro-vs-hacker_GM479516143.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/how-to-make-a-roblox-group-for-free_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/try-minecraft-free_GM479516143.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/how-to-get-free-roebucks_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_003_off00004ac2.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4AC2 24692 bytes
SHA-256: d605c9bd9e536f86a78258621110c704b0684d6469dccb80d002e5589b67a753
font_01_sfnt_off0000825d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x825D 18912 bytes
SHA-256: 1e866e150e91a44ef26a747ca9df7189fd3bb8012bd6dede177796485d413d64

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