Malicious PDF — malware analysis report

Static analysis result for SHA-256 c067ffb008613185…

MALICIOUS

PDF

33.8 KB Created: 2021-06-28 11:00:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 9d1b29b379e999bb67dbbda37fe467e5 SHA-1: 26d1d58d5c32edc9c2864f7337a243280ccfcd94 SHA-256: c067ffb0086131851936d12e9ddeecd90f2aa7624950e0c56622f55babad2d7d
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a high-confidence heuristic firing for a 'free generator / game hack' lure, directing users to a suspicious URL. The embedded URLs and document body content reinforce this lure, suggesting the file is designed to trick users into visiting malicious sites, likely for credential harvesting or malware distribution. No scripts were extracted from this sample.

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/cardcode-pw-free-roblox-game-hack PDF link annotation
    • https://fordogtrainers.mx:443/images/roblox-free-robux-hack-with-no-human-verification_GM431946152.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/free-robux-2021-game_GM431946152.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/roblox-hacks-giveaways_GM431946152.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/roblox-lovenet_GM431946152.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/get-a-profesional-roblox-game-cover-for-free_GM431946152.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/free-robux-instantly_GM431946152.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/robux-free-gift-card-org-hack_GM431946152.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/roblox-arcane-adventures-cheats_GM431946152.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/minecraft-iphone-free_GM479516143.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/free-tiktok-bots_GM835599320.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/free-robux-promo-generator_GM431946152.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/free-robux-actually-works-pink-sheep_GM431946152.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/roblox-robux-generator-http-freerobuxgenerator-xyz_GM431946152.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/icon-free-robux_GM431946152.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/minecraft-for-chromebook-free_GM479516143.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/minecraft-story-mode-free-download_GM479516143.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/robux-hacks-that-actually-work-2021_GM431946152.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/how-to-get-free-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/mad-city-roblox-free-car-volcano_GM431946152.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/roblox-ss-executor-free-v3rmillion_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_off00002f00.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F00 21796 bytes
SHA-256: 947a791dc40e9aea84609022c06532e5e6618e8bc277c620ca0d91177933d820
font_01_sfnt_off00005eb3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EB3 19140 bytes
SHA-256: 4d3a722f7d8fcb60614e902598fdeabd19d9cad825fc6035916af807a7a25809

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