Malicious PDF — malware analysis report

Static analysis result for SHA-256 df218008117b7192…

MALICIOUS

PDF

34.0 KB Created: 2021-07-06 13:59:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 84af0ae48e6bbe0da81bf2fd7b0f4a33 SHA-1: 8380d61ac0b0c8c26c04b3f6e465cc88887875cb SHA-256: df218008117b71925f0d2e5480a1c81b00799088f438e145a3dd95b6a1c16974
82 Risk Score

Malware Insights

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

The PDF document contains multiple links disguised as game hacks and generators, such as 'free generator / game hack' and 'minecraft-world-free-download-game-hack'. These links redirect to external websites, indicating a phishing or malware distribution attempt. The ML classifier also strongly flagged this PDF as malicious.

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.tw/app/479516143/minecraft-world-free-download-game-hack PDF link annotation
    • http://mtsn-baranti.com/perpus/repository/how-to-become-a-hacker-in-roblox-easy_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/eletric-state-roblox-fast-money-and-free-money-hack_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-how-to-get-free-robux-using-inspect-element_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-saber-simulator-hack-client_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/minecraft-java-edition-key-free_GM479516143.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/how-do-u-hack-roblox-games_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-robux-giveaway_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/codes-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/coin-master-hack-activegamer_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/coin-master-free-daily-spins-link_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/minecraft-cheats-pc-2021_GM479516143.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/how-to-get-free-stuff-in-the-catalog-on-roblox_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/luis-coment-robux-free_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-coin-master-spins-daily_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/hack-for-counter-blox-roblox_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/coin-master-hack-apk-35-33_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-r15-script-hack_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-intriga-injector-free_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-robux-com-real_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/be-free-with-me-roblox-id_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_off00002ee4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2EE4 22480 bytes
SHA-256: cd9e030cf70369f5a8e756e6dbe2502a8126beec26759ac0c6bfa6ee344f173e
font_01_sfnt_off000060c7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60C7 18776 bytes
SHA-256: 481cbd98ab74bd1c91b8de4447db594688d400b579bbec245cf53aeb55c0cf07

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