Malicious PDF — malware analysis report

Static analysis result for SHA-256 36d22e488b6b84e7…

MALICIOUS

PDF

45.5 KB Created: 2021-06-02 05:46:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 6beb12b0d6b2978e82481cd0b9b43977 SHA-1: bfa2ee3ef64da9c2d23da144146e23b59fa257ff SHA-256: 36d22e488b6b84e7aeebbaa48676576c84e359beedf3bc99421fcc49be6541b3
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious Link

The PDF document contains a fake CAPTCHA lure, designed to trick users into interacting with malicious links. The primary link points to a resource related to hacking Roblox accounts, suggesting a phishing or scam attempt. Multiple other URLs are embedded, likely serving as alternative download or redirection points for further malicious activity.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

Heuristics 4

  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • 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 https://netcdn.xyz/app/431946152/how-to-hack-a-roblox-account-using-cookies-game-hack PDF link annotation
    • https://www.softwaretestingnews.co.uk/wp-content/uploads/fsqm-files/coin-master-daily-free-spin-app_GM406889139.pdfIn PDF document text
    • https://www.softwaretestingnews.co.uk/wp-content/uploads/fsqm-files/roblox-studio-free-robux_GM431946152.pdfIn PDF document text
    • https://www.softwaretestingnews.co.uk/wp-content/uploads/fsqm-files/free-bc-roblox-accounts-2021_GM431946152.pdfIn PDF document text
    • https://www.softwaretestingnews.co.uk/wp-content/uploads/fsqm-files/roblox-play-for-free-login_GM431946152.pdfIn PDF document text
    • https://www.softwaretestingnews.co.uk/wp-content/uploads/fsqm-files/proxo-descargar-roblox-hack-we-are-devs_GM431946152.pdfIn PDF document text
    • https://www.softwaretestingnews.co.uk/wp-content/uploads/fsqm-files/free-robux-games_GM431946152.pdfIn PDF document text
    • https://www.softwaretestingnews.co.uk/wp-content/uploads/fsqm-files/coin-master-daily-free-spins_GM406889139.pdfIn PDF document text
    • https://www.softwaretestingnews.co.uk/wp-content/uploads/fsqm-files/minecraft-iphone-free_GM479516143.pdfIn PDF document text
    • https://www.softwaretestingnews.co.uk/wp-content/uploads/fsqm-files/free-download-game-roblox-for-pc_GM431946152.pdfIn PDF document text
    • https://www.softwaretestingnews.co.uk/wp-content/uploads/fsqm-files/minecraft-hacks-wurst_GM479516143.pdfIn PDF document text
    • https://www.softwaretestingnews.co.uk/wp-content/uploads/fsqm-files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • https://www.softwaretestingnews.co.uk/wp-content/uploads/fsqm-files/roblox-cheat-engine-fly-hack_GM431946152.pdfIn PDF document text
    • https://www.softwaretestingnews.co.uk/wp-content/uploads/fsqm-files/free-minecraft-pe-server_GM479516143.pdfIn PDF document text
    • https://www.softwaretestingnews.co.uk/wp-content/uploads/fsqm-files/dungeon-quest-roblox-hack-download_GM431946152.pdfIn PDF document text
    • https://www.softwaretestingnews.co.uk/wp-content/uploads/fsqm-files/how-to-get-free-stuff-in-roblox-working-2021_GM431946152.pdfIn PDF document text
    • https://www.softwaretestingnews.co.uk/wp-content/uploads/fsqm-files/how-to-get-free-robux-in-roblox-on-ios_GM431946152.pdfIn PDF document text
    • https://www.softwaretestingnews.co.uk/wp-content/uploads/fsqm-files/how-to-hack-roblox-for-robux-on-phone_GM431946152.pdfIn PDF document text
    • https://www.softwaretestingnews.co.uk/wp-content/uploads/fsqm-files/roblox-god-mode-hack-2021_GM431946152.pdfIn PDF document text
    • https://www.softwaretestingnews.co.uk/wp-content/uploads/fsqm-files/minecraft-xray-hack_GM479516143.pdfIn PDF document text
    • https://www.softwaretestingnews.co.uk/wp-content/uploads/fsqm-files/como-hackear-roblox-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_off0000513f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x513F 26352 bytes
SHA-256: c289a67e270a5198d0392a01d0603d1339248c082c196af611897cc1e532e808
font_01_sfnt_off00008c85.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C85 19184 bytes
SHA-256: c1978b6b4c34ac9bf411256ced835d5877c4c90fb6207b7552293fc8fa94b878

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