Malicious PDF — malware analysis report

Static analysis result for SHA-256 a25d482f06c62efa…

MALICIOUS

PDF

33.5 KB Created: 2021-06-18 13:10:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: fa62f12a0bf0262d5b407b8b33da5d83 SHA-1: 8c0132cdd16ae0869a84d5064723634e2fef9fad SHA-256: a25d482f06c62efa279fb6dbcdc7a539be548ddcd28dfda71686eeaa1581a130
82 Risk Score

Malware Insights

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

The PDF contains a launch action that directs the user to a URL associated with downloading hacks for the game Roblox. The document body and embedded URLs reinforce this theme, suggesting a lure to download potentially malicious software. The ML classifier strongly flagged this PDF as malicious, and the presence of embedded URIs indicates an attempt to redirect the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Launch action high PDF_LAUNCH
    PDF contains a /Launch action with an unresolved or extension-less target — treat as potentially dangerous
  • 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/launch-roblox-hacks-game-hack PDF link annotation
    • http://caraless.com/images/free-views-tiktok_GM835599320.pdfIn PDF document text
    • http://caraless.com/images/free-robux-generator-without-human-verification_GM431946152.pdfIn PDF document text
    • http://caraless.com/images/free-robux-no-scam_GM431946152.pdfIn PDF document text
    • http://caraless.com/images/rbxoffers-com-free-robux_GM431946152.pdfIn PDF document text
    • http://caraless.com/images/free-robux-2021-no-survey-no-download-no-pasting_GM431946152.pdfIn PDF document text
    • http://caraless.com/images/www-roblox-com-free-robux_GM431946152.pdfIn PDF document text
    • http://caraless.com/images/free-robux-generator-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • http://caraless.com/images/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdfIn PDF document text
    • http://caraless.com/images/how-to-get-free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://caraless.com/images/free-robux-human-verification_GM431946152.pdfIn PDF document text
    • http://caraless.com/images/how-to-get-the-free-items-on-roblox_GM431946152.pdfIn PDF document text
    • http://caraless.com/images/how-can-u-get-free-robux_GM431946152.pdfIn PDF document text
    • http://caraless.com/images/free-robux-vido_GM431946152.pdfIn PDF document text
    • http://caraless.com/images/minecraft-hacks-list_GM479516143.pdfIn PDF document text
    • http://caraless.com/images/free-roblox-clothes-for-your-avatar_GM431946152.pdfIn PDF document text
    • http://caraless.com/images/minecraft-bedrock-edition-pc-download-free_GM479516143.pdfIn PDF document text
    • http://caraless.com/images/free-spin-hack-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://caraless.com/images/roblox-zone-free-robux_GM431946152.pdfIn PDF document text
    • http://caraless.com/images/free-robux-kid-friendly-no-human-verification_GM431946152.pdfIn PDF document text
    • http://caraless.com/images/robuxlove-net-free-robux_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_off00002c3b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2C3B 22560 bytes
SHA-256: 6a1c0d6e025e02854a01e7eb36fcf3d86ffd15eb879c3988ee3524b52a817a0e
font_01_sfnt_off00005e9c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E9C 18776 bytes
SHA-256: 33c02a86f0d33f0c5dce4aedf707833a4823488090b47d737d5fc2fc11be65b6

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