Malicious PDF — malware analysis report

Static analysis result for SHA-256 6043d01bc7349a44…

MALICIOUS

PDF

46.3 KB Created: 2021-06-10 23:15:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: adc6f17a801bd3fbeaa42ca1f423a2e8 SHA-1: d9d443e3cf639636c53f138ba8b37c3c1d049c1d SHA-256: 6043d01bc7349a44ee555dd3a5331e6bdd0c92e9bbbd2e7b0032a66a4c9b2c81
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links to external websites, with a primary URL pointing to a 'free generator / game hack' lure. The document's structure and embedded links suggest an attempt to trick users into visiting malicious sites, likely for further exploitation or malware delivery. No scripts were extracted, but the presence of numerous suspicious URLs indicates a phishing or social engineering attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9832

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.tw/app/431946152/roblox-character-free-game-hack PDF link annotation
    • http://www.elibrary.perludem.org/repository/minecraft-windows-10-key-free_GM479516143.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/como-hackear-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/roblox-lovenet_GM431946152.pdfIn PDF document text
    • http://elibrary.perludem.org//repository/coinmaster-fan-page_GM406889139.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/how-do-you-hack-for-2021000-coins-on-flip-master_GM406889139.pdfIn PDF document text
    • http://elibrary.perludem.org//repository/rewardex-robux_GM431946152.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/best-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/best-free-minecraft-server-hosting-reddit_GM479516143.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/free-robux-gift-card_GM431946152.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/how-to-get-free-spins-on-coin-master-without-waiting_GM406889139.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/roblox-hacking-website_GM431946152.pdfIn PDF document text
    • http://elibrary.perludem.org//repository/wurst-112_GM479516143.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/how-to-get-free-spins-grom-coin-master_GM406889139.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/roblox-hacker-report-system_GM431946152.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/coin-master-free-spins-hack-ios_GM406889139.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/minecraft-free-download-pc_GM479516143.pdfIn PDF document text
    • http://elibrary.perludem.org//repository/free-robux-pastebin_GM431946152.pdfIn PDF document text
    • http://elibrary.perludem.org//repository/free-spin-coin-master-2021-link_GM406889139.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/coin-master-daily-gift-free-spins-and-coins-link_GM406889139.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/free-robux-no-human-verification-no-survey_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_off000055d3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x55D3 26064 bytes
SHA-256: 65f173c627b9ad3d552d032fa32c47bc4d9e7e57027271ee041e3d563a030964
font_01_sfnt_off00009210.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9210 18448 bytes
SHA-256: 05a96a9ae39645995e15b2d168b0f8c4367af40f40b0e0a665e781c288f1fec7

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