PDF static analysis report

Static analysis result for SHA-256 6effbf273ff47e11…

SUSPICIOUS

PDF

34.5 KB Created: 2021-06-30 01:37:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 268846594acc1cd3781598ffcd05386b SHA-1: c7641ea76305decb22a70028099c6e433d788fa1 SHA-256: 6effbf273ff47e11aef9daf830ea5b0744dc1e6b9b12af213757cb63bc0d302f
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a document body that explicitly mentions 'how to hack free Robux websites', indicating a lure for users interested in game exploits. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple related URLs suggests a phishing or scam campaign. No scripts were extracted, but the document's content and embedded URLs point towards a social engineering attack.

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.co/app/431946152/how-to-hack-free-robux-websites-game-hack PDF link annotation
    • https://cursocejas.com.br/imagens/userfiles/files/free-robux-without-downloading-apps_GM431946152.pdfIn PDF document text
    • https://cursocejas.com.br/imagens/userfiles/files/pig-master-free-coins-and-spins_GM406889139.pdfIn PDF document text
    • https://cursocejas.com.br/imagens/userfiles/files/is-pokemon-go-free-to-download_GM1094591345.pdfIn PDF document text
    • https://cursocejas.com.br/imagens/userfiles/files/coin-master-free-spins-youthnow_GM406889139.pdfIn PDF document text
    • https://cursocejas.com.br/imagens/userfiles/files/free-robux-si_GM431946152.pdfIn PDF document text
    • https://cursocejas.com.br/imagens/userfiles/files/comment-cheat-sur-roblox-avec-cheat-engine_GM431946152.pdfIn PDF document text
    • https://cursocejas.com.br/imagens/userfiles/files/free-tiktok-followers-without-verification_GM835599320.pdfIn PDF document text
    • https://cursocejas.com.br/imagens/userfiles/files/hack-in-to-roblox_GM431946152.pdfIn PDF document text
    • https://cursocejas.com.br/imagens/userfiles/files/one-piece-roblox-hack_GM431946152.pdfIn PDF document text
    • https://cursocejas.com.br/imagens/userfiles/files/roblox-phantom-forces-hacks-fly_GM431946152.pdfIn PDF document text
    • https://cursocejas.com.br/imagens/userfiles/files/free-100-robux_GM431946152.pdfIn PDF document text
    • https://cursocejas.com.br/imagens/userfiles/files/get-free-roblox_GM431946152.pdfIn PDF document text
    • https://cursocejas.com.br/imagens/userfiles/files/free-multiplayer-minecraft-server_GM479516143.pdfIn PDF document text
    • https://cursocejas.com.br/imagens/userfiles/files/free-roblox-on-computo_GM431946152.pdfIn PDF document text
    • https://cursocejas.com.br/imagens/userfiles/files/free-robux-just-click_GM431946152.pdfIn PDF document text
    • https://cursocejas.com.br/imagens/userfiles/files/how-to-hack-a-person-on-roblox-2021_GM431946152.pdfIn PDF document text
    • https://cursocejas.com.br/imagens/userfiles/files/how-to-get-free-robux-hack_GM431946152.pdfIn PDF document text
    • https://cursocejas.com.br/imagens/userfiles/files/www-roblox-robux_GM431946152.pdfIn PDF document text
    • https://cursocejas.com.br/imagens/userfiles/files/xdaniel-hack-roblox_GM431946152.pdfIn PDF document text
    • https://cursocejas.com.br/imagens/userfiles/files/coin-master-gold-cards-hack_GM406889139.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
stream_002_off00002e0c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2E0C 22456 bytes
SHA-256: d223f25b11b26c93b9e044d26b4c6a8736fea7d5a1459f6647cbd5d18f1fd988
font_01_sfnt_off00006065.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6065 19472 bytes
SHA-256: b92537601be8b81f45bb99b37997100280376ba8c91bdad7f9efb5dc3c87ee52