Malicious PDF — malware analysis report

Static analysis result for SHA-256 6edc17ce41a0fec6…

MALICIOUS

PDF

34.8 KB Created: 2021-06-27 22:40:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 975a92025aa35867f5bd9e4c6235637e SHA-1: a7f840f0928509a93c895c16fb796c28a62cbdb6 SHA-256: 6edc17ce41a0fec6700ef0076ca9879be0a6179da52f55bab489df8b84b79567
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 0.9980

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-earn-free-money-tower-battles-roblox-game-hack PDF link annotation
    • http://perpus.i2s-learning.com/repository/free-roblox-dnl-injector_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/roblox-assassin_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/coin-master-daily-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/glitched-things-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/coin-master-hack-2021-app-download_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/hack-coin-pro-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/roblox-games-with-free-radio_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/roblox-lawsuit_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/free-roblox-hack-us_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/get-free-robux-com_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/i-need-more-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/coin-master-15-free-spin-link-of-last-5-days_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/rbx-com_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/coin-master-free-spons-apk-2021_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/roblox-hack-account-generator_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/how-to-get-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/free-robux-hack-generator-2021_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/free-robux-with-no-human-verification_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/free-robux-codes-promo-codes_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/roblox-hack-apk_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_off00002f71.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F71 22704 bytes
SHA-256: 8b28271799eaac55468283eac7f66f79abc314b4c6086cd21e74fd96cc85ffe3
font_01_sfnt_off0000623c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x623C 19296 bytes
SHA-256: ad3cb191a01f77e581cbc3fafc26a5237afd1689a87a4c8e089f37afa597d365

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