Malicious PDF — malware analysis report

Static analysis result for SHA-256 8d6994f4b6110211…

MALICIOUS

PDF

35.7 KB Created: 2021-06-25 21:52:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: e71b5e1724d685428a43aecebae1cec5 SHA-1: 57ee5aab90301e0d47e372390f3571720367fcf6 SHA-256: 8d6994f4b61102112afadae93c32679e77026aaf8fa433b975ceb0ec5261cff9
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links and lures related to 'free Robux' and game hacks, indicating a social engineering attempt to redirect users to potentially malicious sites. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted, but the embedded URLs are the primary indicators of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/how-to-get-free-robux-without-paying-or-human-verification-game-hack PDF link annotation
    • http://simpt.stikesmitrakeluarga.ac.id/cendana/repository/how-to-hack-roblox-accounts-with-cheat-engine-2021_GM431946152.pdfIn PDF document text
    • http://simpt.stikesmitrakeluarga.ac.id/cendana/repository/roblox-free-sword-fight-game-templates_GM431946152.pdfIn PDF document text
    • http://simpt.stikesmitrakeluarga.ac.id/cendana/repository/free-spin-in-coin-master_GM406889139.pdfIn PDF document text
    • http://simpt.stikesmitrakeluarga.ac.id/cendana/repository/easiest-games-to-hack-on-roblox_GM431946152.pdfIn PDF document text
    • http://simpt.stikesmitrakeluarga.ac.id/cendana/repository/funneh-roblox-simulator-free_GM431946152.pdfIn PDF document text
    • http://simpt.stikesmitrakeluarga.ac.id/cendana/repository/roblox-dbz-final-stand-cheats_GM431946152.pdfIn PDF document text
    • http://simpt.stikesmitrakeluarga.ac.id/cendana/repository/free-robux-please_GM431946152.pdfIn PDF document text
    • http://simpt.stikesmitrakeluarga.ac.id/cendana/repository/roblox-hack-tokyo-ghoul_GM431946152.pdfIn PDF document text
    • http://simpt.stikesmitrakeluarga.ac.id/cendana/repository/fornight-in-roblox-free_GM431946152.pdfIn PDF document text
    • http://simpt.stikesmitrakeluarga.ac.id/cendana/repository/counter-blox-roblox-offensive-hacks-download-2021_GM431946152.pdfIn PDF document text
    • http://simpt.stikesmitrakeluarga.ac.id/cendana/repository/roblox-how-to-get-into-paid-access-games-for-free_GM431946152.pdfIn PDF document text
    • http://simpt.stikesmitrakeluarga.ac.id/cendana/repository/gamestop-roblox-card-free_GM431946152.pdfIn PDF document text
    • http://simpt.stikesmitrakeluarga.ac.id/cendana/repository/roblox-hacked-to-rape-a-7-year-old_GM431946152.pdfIn PDF document text
    • http://simpt.stikesmitrakeluarga.ac.id/cendana/repository/roblox-free-robux-2021-august-promocode-yt-hurry-2021202120210_GM431946152.pdfIn PDF document text
    • http://simpt.stikesmitrakeluarga.ac.id/cendana/repository/easy-robux-for-free_GM431946152.pdfIn PDF document text
    • http://simpt.stikesmitrakeluarga.ac.id/cendana/repository/free-robux-scam_GM431946152.pdfIn PDF document text
    • http://simpt.stikesmitrakeluarga.ac.id/cendana/repository/cap-free-roblox_GM431946152.pdfIn PDF document text
    • http://simpt.stikesmitrakeluarga.ac.id/cendana/repository/how-i-get-free-robux-rbxrewards_GM431946152.pdfIn PDF document text
    • http://simpt.stikesmitrakeluarga.ac.id/cendana/repository/minecraft-pe-free-apk_GM479516143.pdfIn PDF document text
    • http://simpt.stikesmitrakeluarga.ac.id/cendana/repository/roblox-login-hack-for-robux_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
font_00_sfnt_off00003343.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3343 21804 bytes
SHA-256: c8d3a5117a4e3d645b5181281bde1b9f1595c74047bf4c8357ab3038f69874a0
font_01_sfnt_off00006333.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6333 20196 bytes
SHA-256: 48ede6f906cfb921dc1726e43dfafb8503c42baa5a6a3b1276d2a947ffcac03f

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