Malicious PDF — malware analysis report

Static analysis result for SHA-256 df8ec8226d502dcf…

MALICIOUS

PDF

43.3 KB Created: 2021-04-07 14:42:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07
MD5: 41b3e9bc6978cdfcb8ec8665fa0a21ad SHA-1: 6de2808c737eb659e8d8e8f6a5e67ddf9d1152fc SHA-256: df8ec8226d502dcfa243a863d892dba8c185bad88e769b61b13e2ff6eec43c32
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links to websites that claim to offer free Robux or game hacks, a common lure for phishing or malware distribution. The ML classifier also flagged this PDF as malicious. While no scripts were directly extracted, the PDF structure and embedded URLs suggest an attempt to redirect users to malicious sites, likely for further payload delivery or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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://gaminggenerator.org/app/431946152/robux-script-free-game-hack PDF link annotation
    • http://seminolechapter.com/images/hacker-items-roblox.pdfIn PDF document text
    • http://baah.ca/images/how-to-hack-money-in-heists-simulator-roblox.pdfIn PDF document text
    • http://pa-tanjungselor.go.id/images/free-roblox-stuff-hood.pdfIn PDF document text
    • https://sitam.co.in/images/roblox-prison-life-v2-0-cheats.pdfIn PDF document text
    • https://www.dierenartsberghman.be/images/robux-hack-wiki.pdfIn PDF document text
    • http://cmme.it/images/how-to-get-free-robux-no-joke-2021.pdfIn PDF document text
    • https://www.ncscolour.no/images/how-to-get-free-robux-on-phone-android.pdfIn PDF document text
    • http://properteez.com/images/pokemon-robux-hack.pdfIn PDF document text
    • http://schrichte.de/images/roblox-free-download-xbox-one.pdfIn PDF document text
    • https://www.utalii.ac.ke/images/roblox-doge-free.pdfIn PDF document text
    • http://properteez.com/images/roblox-assassin-cheats.pdfIn PDF document text
    • http://vokna.by/images/roblox-free-download-for-tablet.pdfIn PDF document text
    • http://evro-okna.net/images/ex7-roblox-free.pdfIn PDF document text
    • http://aadvanderklaauw.nl/images/comment-avoir-des-robux-gratuit-sur-roblox-2021-sans-hack.pdfIn PDF document text
    • http://instrutech.co.th/images/instinct-roblox-hack.pdfIn PDF document text
    • http://gavertrimmers.be/images/how-to-get-roebucks-in-roblox-for-free.pdfIn PDF document text
    • http://ltmphoto.com/images/robux-free-ohne-handynummer.pdfIn PDF document text
    • http://boliviagasenergia.com/images/how-to-get-free-robux-on-roblox-without-doing-anything.pdfIn PDF document text
    • http://www.apocalissedigesucristo.com/images/how-to-hack-into-your-old-roblox-account-youtube.pdfIn PDF document text
    • http://immobil-service.it/images/roblox-party-invitations-free.pdfIn PDF document text
    • http://boliviagasenergia.com/images/how-to-get-free-robux-on-roblox-without-In PDF document text
    • http://immobil-In 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_off00004b1d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B1D 27060 bytes
SHA-256: 2dae271004bc5da4792b12d75f1bf577404f99c9357da60e8f73b792834cc586
font_01_sfnt_off0000889c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x889C 17788 bytes
SHA-256: 8e35967a7268332dcd0f10ea76e928194e98fe073af811a8c8984fb58067c8af

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