Malicious PDF — malware analysis report

Static analysis result for SHA-256 207ee13c6638b2a1…

MALICIOUS

PDF

34.8 KB Created: 2021-07-01 17:10:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 48625560b6d92461f74afd518c63c59f SHA-1: aa2e208a394b552c08d67b3e4a3c6721d963936f SHA-256: 207ee13c6638b2a134fe470d7eb96e0532bc063ed0721d6f9d258f7a48b59daf
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/can-you-change-your-username-on-roblox-back-for-free-game-hack PDF link annotation
    • http://mtsn-baranti.com/perpus/repository/mcpe-master-free-coins_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-roblox-jailbreak-codes_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/earn-free-robux-today_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/bux-life-free-robux_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/coin-master-free-spins-for-today_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/earn-free-robux-by-watching-videos_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/coin-master-free-blogspot_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/aesthetic-free-t-shirt-roblox_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/774-hack-roblox_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/minecraft-wurst-hacked-client_GM479516143.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-level-hack-cheat-engine_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/change-roblox-username-free_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/how-to-get-free-robux-on-pc-no-survey_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/coin-master-heaven-links-free-spins_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/facebook-coin-master-free-spins-link_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-project-pokemon-dll-hack_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/minecraft-mods-download-free_GM479516143.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-minecraft-server_GM479516143.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-1-robux-a-day_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-robux-2021_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_off00003082.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3082 22256 bytes
SHA-256: 45474af9e605f83f42c6c0c8cefc7df34a598fdf02e47848320f5d3d8743bcd4
font_01_sfnt_off000061e1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61E1 19548 bytes
SHA-256: 9678fd23b2aeb2e1026b0fd4c2942f141b07c2ed1f2e725dfe8937bf8da65f63

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