Malicious PDF — malware analysis report

Static analysis result for SHA-256 2071512a15b42f4d…

MALICIOUS

PDF

32.2 KB Created: 2021-07-05 13:11:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07
MD5: 7c1114b48df987a7f19e0f3d1c9fdc07 SHA-1: 225e77bd307db2917ae17a8b6418ec572ef10a69 SHA-256: 2071512a15b42f4dd3012a1716c2e7096cc6193317d8be6ed1ecfae3e02eba69
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for 'Free Robux' and a prominent call to action to access a generator. This link redirects to a malicious domain, indicating a phishing or scam attempt. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

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/431946152/free-robux-com-roblox-game-hack PDF link annotation
    • http://lib.mbp.ac.id/repository/free-accessories-in-roblox-codes_GM431946152.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/free-game-for-roblox-studo_GM431946152.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/roblox-report-hacker_GM431946152.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/roblox-unlimited-money-cheat_GM431946152.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/roblox-german-flag-t-shirt-free_GM431946152.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/roblox-group-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/minecraft-hacks-wurst_GM479516143.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/roblox-rape-hack_GM431946152.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/is-roblox-free-on-nintendo-switch_GM431946152.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/delete-anything-roblox-hack-script_GM431946152.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/coin-master-free-spins-and-coins-hack_GM406889139.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/how-to-get-free-vip-present-on-adopt-me-roblox_GM431946152.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/robux-earn-free-gift-cards_GM431946152.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/coin-master-mod-free-download_GM406889139.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/minecraft-apk-114-4_GM479516143.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/5-million-robux-free_GM431946152.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/60-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/free-roblox-usernames-and-passwords_GM431946152.pdfIn PDF document text
    • http://lib.mbp.ac.id/repository/free-robux-on-phone_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_off0000291e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x291E 21716 bytes
SHA-256: 12fd3fcd63d9561d29e08bbe517eba0768f803e05b6483eb54c0096d66b355c1
font_01_sfnt_off00005925.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5925 19052 bytes
SHA-256: f1c402a5b139f7054ce39ccfb5800536152a5b826a5c5a7ec81e6f9b67a9d2f8