PDF static analysis report

Static analysis result for SHA-256 11ce9a46fbecc72f…

SUSPICIOUS

PDF

34.4 KB Created: 2021-07-07 06:29:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 086109dacb35c96bf6482baf2c156176 SHA-1: e7428b45db7888db7deafac5fa570f7453998d54 SHA-256: 11ce9a46fbecc72f5534086d74b1f56a952de6d22a77dc842055f5c1cbe40bd7
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a prominent external URI pointing to sites offering game hacks and free Robux. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of it being used for phishing or distributing malware. While no scripts were explicitly extracted, the presence of external links and the ML detection suggest the document is designed to trick users into navigating to malicious sites, likely for credential harvesting or further payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 3

  • 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/431946152/rbxfree-com-free-robux-game-hack PDF link annotation
    • https://luyenthitoanpro.com/public/upload/files/best-minecraft-hacked-client_GM479516143.pdfIn PDF document text
    • https://luyenthitoanpro.com/public/upload/files/hacks-para-roblox-jailbreak-2021_GM431946152.pdfIn PDF document text
    • https://luyenthitoanpro.com/public/upload/files/free-roblox-accounts-2021-with-robux_GM431946152.pdfIn PDF document text
    • https://luyenthitoanpro.com/public/upload/files/alot-free-robux_GM431946152.pdfIn PDF document text
    • https://luyenthitoanpro.com/public/upload/files/roblox-has-talent-piano-hack_GM431946152.pdfIn PDF document text
    • https://luyenthitoanpro.com/public/upload/files/coin-master-blogspot_GM406889139.pdfIn PDF document text
    • https://luyenthitoanpro.com/public/upload/files/free-roblox-card-codes-not-used-2021_GM431946152.pdfIn PDF document text
    • https://luyenthitoanpro.com/public/upload/files/free-roblox-accounts-with-bloz_GM431946152.pdfIn PDF document text
    • https://luyenthitoanpro.com/public/upload/files/how-to-hack-on-pc-roblox_GM431946152.pdfIn PDF document text
    • https://luyenthitoanpro.com/public/upload/files/free-robux-stream_GM431946152.pdfIn PDF document text
    • https://luyenthitoanpro.com/public/upload/files/free-robux-hack-us_GM431946152.pdfIn PDF document text
    • https://luyenthitoanpro.com/public/upload/files/how-to-hack-roblox-in-three-simple-steps_GM431946152.pdfIn PDF document text
    • https://luyenthitoanpro.com/public/upload/files/www-roblox-com-cheat-in-no-survey_GM431946152.pdfIn PDF document text
    • https://luyenthitoanpro.com/public/upload/files/tiradas-coin-master_GM406889139.pdfIn PDF document text
    • https://luyenthitoanpro.com/public/upload/files/coin-master-cards-free_GM406889139.pdfIn PDF document text
    • https://luyenthitoanpro.com/public/upload/files/free-robux-app-real_GM431946152.pdfIn PDF document text
    • https://luyenthitoanpro.com/public/upload/files/how-to-hack-roblox-accountts_GM431946152.pdfIn PDF document text
    • https://luyenthitoanpro.com/public/upload/files/coin-master-free-coins-link_GM406889139.pdfIn PDF document text
    • https://luyenthitoanpro.com/public/upload/files/get-free-spins-coin-master-link_GM406889139.pdfIn PDF document text
    • https://luyenthitoanpro.com/public/upload/files/shirt-ash-on-roblox-free-on-shirt-free-on-shop_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_off00003257.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3257 21544 bytes
SHA-256: 69e0638f91bfa8da7b8b697c94a0c78334a5e2da93f63958e4a75843c5152c0b
font_01_sfnt_off000061a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61A1 18976 bytes
SHA-256: 2aa9052e4078dfdf09f927976bfd3cf76f1a678b4d9b3ecd6888c6d9efbc292b