Malicious PDF — malware analysis report

Static analysis result for SHA-256 122bd2b601bc57ca…

MALICIOUS

PDF

34.3 KB Created: 2021-07-04 07:35:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: bc4f63ebef4a847ae2256e8c14fdaa2d SHA-1: d8915b6af2390ae6c7915cd3eb4df2b88e79ccc3 SHA-256: 122bd2b601bc57ca578dcfe6ff4e6280f102c5c95760d8aca8cfe545d50f7106
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/roblox-hack-tool-game-hack PDF link annotation
    • http://lib.teknik.unimal.ac.id/repository/how-do-you-get-free-robux-and-tix-on-roblox_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id//repository/free-gold-cards-in-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/pubg-uc-180_GM1330123889.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/free-robux-site-2021_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id//repository/free-robux_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/how-to-make-a-pretty-roblox-girl-free_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/how-do-you-get-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/how-to-hack-and-get-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/free-robux-generator-without-human-verification_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id//repository/daily-free-spins_GM406889139.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/coin-master-heaven-free-daily-spins_GM406889139.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/best-ways-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id//repository/coin-master-ios-hack_GM406889139.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/how-to-get-free-robux-in-a-easy-way_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/free-robux-codes-2021-october_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/free-promo-codes-on-roblox_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/coin-master-free-cards-and-spin-link_GM406889139.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/free-robux-kid-friendly-no-human-verification_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/raindrop-roblox-hack-download_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/farming-simulator-hacks-roblox_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_off0000314f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x314F 22168 bytes
SHA-256: 11829bb0ca89e3c754bba815e53346f758824d9740848a880457d14fc4fa5be9
font_01_sfnt_off0000623a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x623A 18656 bytes
SHA-256: e8d3b80f1b6f2c9c2bf73e7970ea5f3b8003eca05e06d1d82551611c8be56651

Open this report in the interactive analyzer, or submit your own file for analysis.