Malicious PDF — malware analysis report

Static analysis result for SHA-256 9457ae623846ff9e…

MALICIOUS

PDF

35.6 KB Created: 2021-06-26 12:16:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: f2076ab6854d6751bad75bf6c1ff4147 SHA-1: acb5d770d012dfa22846aadb330fc49a3dbf06b4 SHA-256: 9457ae623846ff9efb7d99adce01a4ba5c46afda638d41dfd4c5fa5fe9694ffc
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains multiple links and text related to game hacks and cheats, specifically for Roblox. The primary URL, http://netcdn.co/app/431946152/best-roblox-jailbreak-hack-2021-mod-menu-level-5-game-hack, is identified as a lure for a game hack generator. This suggests the document is designed to trick users into visiting malicious sites, likely to download malware or engage in other fraudulent activities. No scripts were extracted, but the presence of numerous suspicious URLs and the game hack lure strongly indicate a malicious intent.

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/best-roblox-jailbreak-hack-2021-mod-menu-level-5-game-hack PDF link annotation
    • http://opac.salatigakota.go.id/slims7//repository/coin-master-free-spins-cheat_GM406889139.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/roblox-free-audios_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/no-scam-free-robux_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/roblox-robber-hack_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/roblox-codes-robux-free_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/how-to-give-your-clothes-for-free-roblox_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/robux-hack-2021-pastebin_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/games-with-free-radio-roblox_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7//repository/free-robux-no-verification-no-download-2021_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7//repository/haktuts-2021-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/free-robux-card-codes-2021_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7//repository/coin-master-heaven-daily-free-spins_GM406889139.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7//repository/coin-master-free-spin-and-coin-link-2021-today_GM406889139.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/how-to-get-free-robux-2021-website_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/agents-roblox-hack_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/how-get-free-clothes-in-roblox_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/cool-roblox-weapons-cheat-engine_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/how-to-be-a-admin-on-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7//repository/new-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/her-roblox-acount-got-hacked_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_off0000308b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x308B 22416 bytes
SHA-256: 8dbe7a38c223fc187793ee9bef2b051215f2f70add227174a4d98b2358fe3430
font_01_sfnt_off000062a4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62A4 20204 bytes
SHA-256: 26fac37d3f63d07c57cb377ba0c245ded87b4c9561b3f3d3cdd85188d0d23860

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