Malicious PDF — malware analysis report

Static analysis result for SHA-256 11ff8baf185a0ed6…

MALICIOUS

PDF

34.6 KB Created: 2021-07-05 01:30:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 75059daf59e461d817f2c81865d805be SHA-1: 5ef5b4c41e392dad66b8dede5be2e19814808836 SHA-256: 11ff8baf185a0ed61edbddd65a89282aa3b5f0e4df30845c617ac0aae03c55d1
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF file contains a lure related to 'Minecraft Hacked Client' and directs users to a suspicious URL. The ML classifier strongly indicates maliciousness. The embedded URL likely leads to a second-stage download or exploit, aligning with common tactics for distributing malware.

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/minecraft-hacked-client-18-game-hack PDF link annotation
    • http://opac.pps.uin-alauddin.ac.id/repository/coin-master-free-cards-link_GM406889139.pdfIn PDF document text
    • http://opac.pps.uin-alauddin.ac.id/repository/minecraft-pe-hacks-ios_GM479516143.pdfIn PDF document text
    • http://opac.pps.uin-alauddin.ac.id/repository/how-to-get-minecraft-bedrock-for-free_GM479516143.pdfIn PDF document text
    • http://opac.pps.uin-alauddin.ac.id/repository/free-roblox-card-codes-2021_GM431946152.pdfIn PDF document text
    • http://opac.pps.uin-alauddin.ac.id/repository/free-robux-youtube-stream_GM431946152.pdfIn PDF document text
    • http://opac.pps.uin-alauddin.ac.id/repository/is-roblox-free-on-nintendo-switch_GM431946152.pdfIn PDF document text
    • http://opac.pps.uin-alauddin.ac.id/repository/robux-best_GM431946152.pdfIn PDF document text
    • http://opac.pps.uin-alauddin.ac.id/repository/free-robux-giveaway-live_GM431946152.pdfIn PDF document text
    • http://opac.pps.uin-alauddin.ac.id/repository/coin-master-heaven-free-daily-spins_GM406889139.pdfIn PDF document text
    • http://opac.pps.uin-alauddin.ac.id/repository/minecraft-online-free-no-download_GM479516143.pdfIn PDF document text
    • http://opac.pps.uin-alauddin.ac.id/repository/cpying-roblox-games-for-free_GM431946152.pdfIn PDF document text
    • http://opac.pps.uin-alauddin.ac.id/repository/coin-master-free-spins-and-coins-without-human-verification_GM406889139.pdfIn PDF document text
    • http://opac.pps.uin-alauddin.ac.id/repository/free-coin-master-gold-cards_GM406889139.pdfIn PDF document text
    • http://opac.pps.uin-alauddin.ac.id/repository/coin-master-spins_GM406889139.pdfIn PDF document text
    • http://opac.pps.uin-alauddin.ac.id/repository/roblox-tv-free-robux_GM431946152.pdfIn PDF document text
    • http://opac.pps.uin-alauddin.ac.id/repository/coin-master-2021-free-spins-link-blogspot_GM406889139.pdfIn PDF document text
    • http://opac.pps.uin-alauddin.ac.id/repository/hey-google-how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://opac.pps.uin-alauddin.ac.id/repository/roblox-com-free-robux_GM431946152.pdfIn PDF document text
    • http://opac.pps.uin-alauddin.ac.id/repository/free-games-like-roblox_GM431946152.pdfIn PDF document text
    • http://opac.pps.uin-alauddin.ac.id/repository/free-robux-games-that-actually-work_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_off00003217.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3217 22340 bytes
SHA-256: 6dd9d7078c29adcb2489afba5d8b4658a05d62e636009a676d6f8df1d9d30c32
font_01_sfnt_off000063a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63A8 18588 bytes
SHA-256: 8e3a5c46349410794fd5c9c8edd28fb5e8e27dde13df1542e43e7e29ef6e05f6

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