PDF static analysis report

Static analysis result for SHA-256 37e28ebd5c46fede…

SUSPICIOUS

PDF

46.5 KB Created: 2021-05-15 17:05:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 19c27c1dce0ccc87e29bd9ba476faa8e SHA-1: 1072455dcfdb0caf317863e92613b02e6556ace9 SHA-256: 37e28ebd5c46fedebb727df7c96f0650c4f4646d9ffd909bf7999e5924a80c4f
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a call-to-action lure related to free Robux, indicating a phishing or scam attempt. The ML classifier also flagged the PDF as malicious. While no scripts were explicitly extracted, the presence of external URIs and the document's deceptive content suggest it is designed to trick users into downloading a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8948

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 https://netcdn.xyz/app/431946152/apps-that-give-you-free-robux-game-hack PDF link annotation
    • https://lojasdoescritorio.com.br/ckfinder/userfiles/files/coin-master-hack-online-generator_GM406889139.pdfIn PDF document text
    • https://lojasdoescritorio.com.br/ckfinder/userfiles/files/coin-master-free-spins-hack-without-human-verification_GM406889139.pdfIn PDF document text
    • https://lojasdoescritorio.com.br/ckfinder/userfiles/files/roblox-free-robux-no-verification_GM431946152.pdfIn PDF document text
    • https://lojasdoescritorio.com.br/ckfinder/userfiles/files/coin-master-free-link-today_GM406889139.pdfIn PDF document text
    • https://lojasdoescritorio.com.br/ckfinder/userfiles/files/wurst-client_GM479516143.pdfIn PDF document text
    • https://lojasdoescritorio.com.br/ckfinder/userfiles/files/free-minecraft-generator_GM479516143.pdfIn PDF document text
    • https://lojasdoescritorio.com.br/ckfinder/userfiles/files/free-roblox-accounts-with-robux-that-work-not-banned-2021_GM431946152.pdfIn PDF document text
    • https://lojasdoescritorio.com.br/ckfinder/userfiles/files/roblox-hacks-2021_GM431946152.pdfIn PDF document text
    • https://lojasdoescritorio.com.br/ckfinder/userfiles/files/how-can-i-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://lojasdoescritorio.com.br/ckfinder/userfiles/files/free-robux-no-human-verification-or-survey-or-download-2021_GM431946152.pdfIn PDF document text
    • https://lojasdoescritorio.com.br/ckfinder/userfiles/files/how-do-you-hack-roblox_GM431946152.pdfIn PDF document text
    • https://lojasdoescritorio.com.br/ckfinder/userfiles/files/rbxoffer-com-free-robux_GM431946152.pdfIn PDF document text
    • https://lojasdoescritorio.com.br/ckfinder/userfiles/files/free-spins-coin-master-2021-app_GM406889139.pdfIn PDF document text
    • https://lojasdoescritorio.com.br/ckfinder/userfiles/files/real-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://lojasdoescritorio.com.br/ckfinder/userfiles/files/minecraft-java-account-free_GM479516143.pdfIn PDF document text
    • https://lojasdoescritorio.com.br/ckfinder/userfiles/files/rape-simulator_GM431946152.pdfIn PDF document text
    • https://lojasdoescritorio.com.br/ckfinder/userfiles/files/free-robux-no-anti-bot-verification_GM431946152.pdfIn PDF document text
    • https://lojasdoescritorio.com.br/ckfinder/userfiles/files/master-coin-free-spin-daily_GM406889139.pdfIn PDF document text
    • https://lojasdoescritorio.com.br/ckfinder/userfiles/files/ww-roblox-come_GM431946152.pdfIn PDF document text
    • https://lojasdoescritorio.com.br/ckfinder/userfiles/files/coin-master-firebird-card-free_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004ced.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4CED 24184 bytes
SHA-256: 35927b1b89aebefb5c5ebfa53c8d514aa9d4dea4ceb0408d0d83a437b3d96cc2
font_01_sfnt_off000083ff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83FF 5596 bytes
SHA-256: 9a13c2580265a78e8a7257496a31ee0055738af7e20a5661c2902efe4bf05ce5
font_02_sfnt_off000090a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x90A7 19084 bytes
SHA-256: 837a639daa187fc447bd118567dc66774ab6c99c19a83daf34219dbfdd013636