Malicious PDF — malware analysis report

Static analysis result for SHA-256 e809cab97136d45d…

MALICIOUS

PDF

35.0 KB Created: 2021-06-28 00:31:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: deb78a7eabe1a4e1cfe278250148659e SHA-1: cf0a6b5a9366dbf7e81887be5ad578d03b1ef1df SHA-256: e809cab97136d45d379ee0ffdbce138c046bcb3d31700e334df6d98113d73700
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/how-to-get-free-models-in-roblox-game-hack PDF link annotation
    • http://mtsn-baranti.com/perpus/repository/free-coin-master-spins-2021-link_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-how-to-get-free-shirts-and-pants-2021_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-hack-strucid_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-robux-generator-without-verification_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/coin-master-free-spins-link-download_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/cheats-for-dragon-ball-rage-roblox_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/coin-master-hack-2021-android-apk_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-mm2-cheat-table_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/minecraft-free-download-unblocked_GM479516143.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/how-to-scroll-in-free-draw-roblox-saved-drawings_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-robux-codes-no-human-verification_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-builders-club-hack-free-download_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/robux-free-online_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/toolbox-for-minecraft-windows-10_GM479516143.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/minecraft-free-download-pc_GM479516143.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-free-staffs_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/coin-master-spin-and-coins-free_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/how-to-create-group-in-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/coin-master-daily-free-rewards_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-speed-hack-script-v3rmilion_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_off0000310a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x310A 22376 bytes
SHA-256: 663459c90caf071e09c79d6c81471eacdb36db3bec6977775e5a44a24e4f65fc
font_01_sfnt_off0000630b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x630B 19288 bytes
SHA-256: 26a01088be6fa2f2871e6c3819ada2c73ce27dbfc0147b041b90f3fb33aee2ca

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