Malicious PDF — malware analysis report

Static analysis result for SHA-256 62d32127b62e53a7…

MALICIOUS

PDF

44.9 KB Created: 2021-06-04 02:48:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-23
MD5: bf14d19865d71d23a9cb7c2babdd2036 SHA-1: 2bc84ff0447ebfdd7a0358282b0f7672ae4033d9 SHA-256: 62d32127b62e53a78b3408c9ae5dc76bd909d5dbdebfa29a388dda2a3dc94f2f
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 0.9865

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.online/app/431946152/how-to-hack-roblox-servers-game-hack PDF link annotation
    • https://pustaka.widyakartika.ac.id/repository/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/worst-roblox-avatars_GM431946152.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/free-spin-coin-master-link-2021_GM406889139.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/coin-master-hack-tool-v1-9-download-free-pc_GM406889139.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/free-robux-discord_GM431946152.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/coin-master-spin-link-2021_GM406889139.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/easy-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/robux-earning-sites_GM431946152.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/robux-sites_GM431946152.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/how-to-get-free-robux-codes_GM431946152.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/instagram-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/hackear-coin-master-sin-root_GM406889139.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/coin-master-hack-app-android_GM406889139.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/coin-master-hack-spins-and-coins-unlimited-free-download_GM406889139.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/coin-master-hack-ios-reddit_GM406889139.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/coin-master-codes_GM406889139.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/free-robux-websites-that-actually-work-2021_GM431946152.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/village-3-coin-master_GM406889139.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/lazyblocks-com-free-robux_GM431946152.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/coin-master-free-spins-cheat-codes_GM406889139.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_off0000503b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x503B 25796 bytes
SHA-256: 9972d73c110704a533465d3cabf504d1894ee843da011544fadc03e5b349a68b
font_01_sfnt_off00008c35.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C35 18460 bytes
SHA-256: 3ba0a43307ad7a7cbdabd81dc73cc8517e71181375fa461bae858ff6b6591681

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