Malicious PDF — malware analysis report

Static analysis result for SHA-256 85acc107aa24c58f…

MALICIOUS

PDF

35.2 KB Created: 2021-06-29 23:20:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 91bdc29dfd719c2030fd13405c927298 SHA-1: ad599fd89deb0e8e311ad526e83941e1389662d1 SHA-256: 85acc107aa24c58fe50990b1f6061c1fe1884d7b612c7844e666db7923d1f59f
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-hack-music-in-roblox-game-hack PDF link annotation
    • http://pustaka.biologi.fmipa.unand.ac.id/repository/denisdaily-exposing-a-roblox-hacker_GM431946152.pdfIn PDF document text
    • http://pustaka.biologi.fmipa.unand.ac.id/repository/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://pustaka.biologi.fmipa.unand.ac.id/repository/free-promocodes-roblox-body_GM431946152.pdfIn PDF document text
    • http://pustaka.biologi.fmipa.unand.ac.id/repository/roblox-money-hack-no-verification_GM431946152.pdfIn PDF document text
    • http://pustaka.biologi.fmipa.unand.ac.id/repository/jailbreak-beta-roblox-hack-dll_GM431946152.pdfIn PDF document text
    • http://pustaka.biologi.fmipa.unand.ac.id/repository/i-got-free-robux-doing-this_GM431946152.pdfIn PDF document text
    • http://pustaka.biologi.fmipa.unand.ac.id/repository/de-roblox-hack-pw_GM431946152.pdfIn PDF document text
    • http://pustaka.biologi.fmipa.unand.ac.id/repository/cheat-codes-for-adopt-me-roblox_GM431946152.pdfIn PDF document text
    • http://pustaka.biologi.fmipa.unand.ac.id/repository/comment-hack-roblox-money-illimity_GM431946152.pdfIn PDF document text
    • http://pustaka.biologi.fmipa.unand.ac.id/repository/how-to-get-free-robux-easy-on-roblox_GM431946152.pdfIn PDF document text
    • http://pustaka.biologi.fmipa.unand.ac.id/repository/roblox-hack-unlimited-robux_GM431946152.pdfIn PDF document text
    • http://pustaka.biologi.fmipa.unand.ac.id/repository/roblox-hack-2021-how-to-get-free-robux-and-more_GM431946152.pdfIn PDF document text
    • http://pustaka.biologi.fmipa.unand.ac.id/repository/how-to-get-free-robux-no-password_GM431946152.pdfIn PDF document text
    • http://pustaka.biologi.fmipa.unand.ac.id/repository/robux-cheat-engine-66_GM431946152.pdfIn PDF document text
    • http://pustaka.biologi.fmipa.unand.ac.id/repository/roblox-piano-hacks_GM431946152.pdfIn PDF document text
    • http://pustaka.biologi.fmipa.unand.ac.id/repository/robux-free-inlimited_GM431946152.pdfIn PDF document text
    • http://pustaka.biologi.fmipa.unand.ac.id/repository/roblox-project-jojo-free-items-exploit_GM431946152.pdfIn PDF document text
    • http://pustaka.biologi.fmipa.unand.ac.id/repository/roblox-cheat-list_GM431946152.pdfIn PDF document text
    • http://pustaka.biologi.fmipa.unand.ac.id/repository/roblox-hack-robux-generator-ipad_GM431946152.pdfIn PDF document text
    • http://pustaka.biologi.fmipa.unand.ac.id/repository/noclip-hacks-for-roblox-arsenal-of-free_GM431946152.pdfIn PDF document text
    • https://www.roblox.com/.IIn 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_off000032fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x32FD 22236 bytes
SHA-256: dcda2c0d07b611e1ea711855f06d1e8eed3c73b7154fbe14563b0fbc0f020138
font_01_sfnt_off00006425.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6425 19276 bytes
SHA-256: bf8367eaeb5944265c790e1666ce63f70b4165595f41ec41488d166cb19f9ca0

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