Malicious PDF — malware analysis report

Static analysis result for SHA-256 e196b4bb218bcab1…

MALICIOUS

PDF

34.4 KB Created: 2021-07-05 13:05:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: a142f8a02877c5c64e80c32bd288a11e SHA-1: 867e760296860d9ee93d99bc4e37eebe4d580588 SHA-256: e196b4bb218bcab1e4503314f155e0ec5892fa2c29c24de7fbeefbdce6dd4b04
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains a high-risk heuristic indicating it links to a 'free generator / game hack' redirector. The embedded URL, http://netcdn.tw/app/479516143/aternos-free-minecraft-server-game-hack, likely serves as a lure to a malicious site or download. No scripts were extracted, but the document's structure and linked URLs suggest a phishing or scam attempt.

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.tw/app/479516143/aternos-free-minecraft-server-game-hack PDF link annotation
    • http://fkunismuh.org/perpustakaan//repository/coin-spin_GM406889139.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/roblox-shoes-free_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/god-roblox-hack-script-fe_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/mc-hacks_GM479516143.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/how-to-get-hacks-on-roblox_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/cerberus-free-download-roblox_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/bloxawards-com-earn-free-robux_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/roblox-hide-and-seek-extreme-cheats_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan//repository/coin-master-coins-free_GM406889139.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan//repository/rbxoffers-com-free-robux_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/windows-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/how-to-get-free-robux-fast_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/500-free-coin-master-spins_GM406889139.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/how-to-hack-roblox-personal-servers_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/minecraft-java-account-free_GM479516143.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/wwwhaktutsin-2021-08-coinmasterfreespinandcoinlinkhtml-m-1_GM406889139.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/free-games-like-coin-master_GM406889139.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/coin-master-free-spins-link-today-blogspot_GM406889139.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan//repository/free-robux-codes-no-verification_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/minecraft-esp_GM479516143.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_off000031f1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31F1 22712 bytes
SHA-256: 31365faa70c39de21d76dbe2d64bcc101d221659326a0b5fc94d76bc56328b39
font_01_sfnt_off00006467.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6467 18112 bytes
SHA-256: 26876140927a3906902dd64e2dc8e0c32e7e876521c7e838639d73c9f18b3cb1

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