Malicious PDF — malware analysis report

Static analysis result for SHA-256 501eb308a68be39f…

MALICIOUS

PDF

34.9 KB Created: 2021-06-26 22:00:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 220fd930eba665a56402f5813533b867 SHA-1: abb61e881825d5ba3f7e3649efe38dfae91c2f30 SHA-256: 501eb308a68be39f487811c4f4376e40f9881f45e2e15af9481f9d183681ce57
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a 'free generator / game hack' lure to trick users into clicking a link. The primary link, http://netcdn.co/app/431946152/free-robux-offer-site-game-hack, redirects to a malicious site, likely to download further malware or conduct phishing. The ML classifier strongly supports the malicious nature of this PDF.

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/free-robux-offer-site-game-hack PDF link annotation
    • http://library.stikessuakainsan.ac.id/repository/roblox-toys-codes-free-2021_GM431946152.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/how-to-get-free-robux-codes_GM431946152.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/coin-master-free-coins-and-spins-daily_GM406889139.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id//repository/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id//repository/bloxpage-free-robux_GM431946152.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id//repository/free-coin-master-account_GM406889139.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/robuxmatch-com-free-robux_GM431946152.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id//repository/minecraft-windows-10-edition-unlock-full-game-free_GM479516143.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/village-4-coin-master_GM406889139.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id//repository/free-coins-coin-master-no-human-verification_GM406889139.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id//repository/how-to-get-free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/how-to-coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/coin-master-free-coins-cheat_GM406889139.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id//repository/best-minecraft-hacked-client_GM479516143.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/roblox-arsenal-hack-script-pastebin_GM431946152.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id//repository/cheats-for-coin-master_GM406889139.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id//repository/moon-active-games_GM406889139.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/promo-codes-roblox-free-stuff_GM431946152.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/supreme-t-shirt-roblox-hoodi-free_GM431946152.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/hack-coin-master-app_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003162.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3162 22432 bytes
SHA-256: 7c5aba3ca5daa6a8fddcb849a47c71722570520815a4c0e9698d5584dd0e0f04
font_01_sfnt_off00006382.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6382 18940 bytes
SHA-256: be31673f323ddd6b09326974ab2e4fa842e3f068295d9959af79973454513871

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