Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d114f3e53b51f1b…

MALICIOUS

PDF

36.0 KB Created: 2021-06-25 12:53:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 69b9f282789502eadf5b38994be89bca SHA-1: c2f96a2a9df352ceec126510ad3cd299a820ffc1 SHA-256: 9d114f3e53b51f1b9ebfac2867ab650d57da1e407c05fc56ad626e3b498a47b3
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-apocalypse-cheats-game-hack PDF link annotation
    • http://lib.teknik.unimal.ac.id//repository/robux-com-free_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/how-to-get-free-robux-easy-2021_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/how-to-get-free-snacks-on-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/mobihack-net-roblox-hack_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/cool-free-robux-outfits_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id//repository/how-to-get-free-spins-and-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/coin-master-hack-org_GM406889139.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id//repository/pokemon-go-free-64-bit_GM1094591345.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id//repository/coin-mster-free_GM406889139.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/free-robux-no-human-verification-and-no-survey_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id//repository/coin-master-download_GM406889139.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/pokemon-go-free-85_GM1094591345.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/free-roblox-maps_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/how-to-hack-roblox-passwords_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/haktuts-2021-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/telecharger-hack-pour-roblox-mad-city_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/get-free-robux-daily_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id//repository/best-minecraft-hacked-client-2021_GM479516143.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/free-roblox-fe-scripts-pastebin_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/coin-master-app-free-download_GM406889139.pdfIn 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_off0000344f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x344F 23092 bytes
SHA-256: bb692d8cd18c810662b740079183423a5b796fb547646d82cd5543a4bb23dc94
font_01_sfnt_off00006773.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6773 19112 bytes
SHA-256: be1cc5c4dcdc6429ad1b538ec26f6072c1cc70cfa4c69f2e28bdf3fad1a28382

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