Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2dbff1b984b8568…

MALICIOUS

PDF

53.0 KB Created: 2021-06-07 08:53:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-02
MD5: 505a7a0c79608e9d9e95993af57f68a8 SHA-1: d0c68923426faf22d20e105f87db2318b225fb7a SHA-256: e2dbff1b984b85688494a431f214f0621210e0c561bc5723462511a4c26f4c00
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 0.9607

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.tw/app/431946152/free-roblox-accounts-with-robux-not-used-game-hack PDF link annotation
    • http://fkunismuh.org/perpustakaan//repository/free-minecraft-account-list_GM479516143.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/i-cant-get-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/how-to-get-free-minecraft-coins_GM479516143.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/google-play-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/coin-master-free-link-today_GM406889139.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan//repository/free-robux-no-survey_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/free-tiktok-followers-and-likes_GM835599320.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan//repository/coin-master-free-coins-links-2021_GM406889139.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/games-that-give-free-robux_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/doctor-louie-roblox_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/what-are-points-for-in-roblox_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/pubg-uc-dundle_GM1330123889.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/info-roblox-com-robux_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/free-coin-master-cards_GM406889139.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/free-robux-no-verification-at-all_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan//repository/coin-master-link-daily-get-free-spins-amp_GM406889139.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/if-you-delete-minecraft-can-you-redownload-it-for-free_GM479516143.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/lina-roblox-me-hackean-la-cuenta_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/can-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan//repository/coin-master-free-spins-daily-1-ga_GM406889139.pdfIn PDF document text
    • https://robuxhaxs.comIn 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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off000054db.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x54DB 25860 bytes
SHA-256: 02a297ca48969b27bb84ae757502bbf06306eaf75cad17ea1316095242528cf1
font_01_sfnt_off000090e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x90E6 3884 bytes
SHA-256: 40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf
font_02_sfnt_off00009d89.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9D89 5596 bytes
SHA-256: 9a13c2580265a78e8a7257496a31ee0055738af7e20a5661c2902efe4bf05ce5
font_03_sfnt_off0000aa31.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAA31 19036 bytes
SHA-256: e655673cb4431020449ede9979f141b08eb45c87e2d750ef51b5784ac455030c

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