PDF static analysis report

Static analysis result for SHA-256 9bc401c73e758f18…

SUSPICIOUS

PDF

34.5 KB Created: 2021-06-29 13:08:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: adcb0783e760e79db35a45f9fda084db SHA-1: ce9939ee86c49c2b8c3d28b376e023705ba4fa8c SHA-256: 9bc401c73e758f18e080462c25b328421ab0ebeb2bdd973c3f3708cd46c98e7c
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites, including one at http://netcdn.co/app/431946152/how-to-get-free-robux-steps-game-hack, which is likely a lure for free in-game items. The ML classifier strongly flagged this PDF as malicious, and the presence of embedded URLs and a call-to-action heuristic further support a phishing or scam attempt. No scripts were extracted, but the document's structure and embedded URLs suggest it is designed to redirect users to potentially malicious sites.

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-get-free-robux-steps-game-hack PDF link annotation
    • https://www.naizak.com/uploaded_files/userfiles/files/free-robux-by-watching-ads_GM431946152.pdfIn PDF document text
    • https://www.naizak.com/uploaded_files/userfiles/files/get-minecraft-windows-10-free_GM479516143.pdfIn PDF document text
    • https://www.naizak.com/uploaded_files/userfiles/files/games-like-minecraft-but-free_GM479516143.pdfIn PDF document text
    • https://www.naizak.com/uploaded_files/userfiles/files/free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://www.naizak.com/uploaded_files/userfiles/files/coin-master-free-spins-link_GM406889139.pdfIn PDF document text
    • https://www.naizak.com/uploaded_files/userfiles/files/minecraft-download-free-download_GM479516143.pdfIn PDF document text
    • https://www.naizak.com/uploaded_files/userfiles/files/how-to-get-free-cape-roblox_GM431946152.pdfIn PDF document text
    • https://www.naizak.com/uploaded_files/userfiles/files/coin-master-free-coins-and-spins-app_GM406889139.pdfIn PDF document text
    • https://www.naizak.com/uploaded_files/userfiles/files/free-domain-for-minecraft-server_GM479516143.pdfIn PDF document text
    • https://www.naizak.com/uploaded_files/userfiles/files/coin-master-free-coins-and-spins-link_GM406889139.pdfIn PDF document text
    • https://www.naizak.com/uploaded_files/userfiles/files/how-do-u-hack-roblox-accounts_GM431946152.pdfIn PDF document text
    • https://www.naizak.com/uploaded_files/userfiles/files/roblox-build-and-survive-hack_GM431946152.pdfIn PDF document text
    • https://www.naizak.com/uploaded_files/userfiles/files/free-aimbot-for-roblox_GM431946152.pdfIn PDF document text
    • https://www.naizak.com/uploaded_files/userfiles/files/how-to-hack-meep-city-roblox-money-2021_GM431946152.pdfIn PDF document text
    • https://www.naizak.com/uploaded_files/userfiles/files/coin-master-free-gift-link-2021_GM406889139.pdfIn PDF document text
    • https://www.naizak.com/uploaded_files/userfiles/files/robux-cheat-engine-2021_GM431946152.pdfIn PDF document text
    • https://www.naizak.com/uploaded_files/userfiles/files/free-minecraft-java-edition-account_GM479516143.pdfIn PDF document text
    • https://www.naizak.com/uploaded_files/userfiles/files/wurst-client_GM479516143.pdfIn PDF document text
    • https://www.naizak.com/uploaded_files/userfiles/files/wurst-client-download_GM479516143.pdfIn PDF document text
    • https://www.naizak.com/uploaded_files/userfiles/files/tiktok-bots-free_GM835599320.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_off000030b7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30B7 21924 bytes
SHA-256: 3507adcf7c4d9a6700a0fc850485ff08d268ac85e4f64e168ce1722b9d52b55a
font_01_sfnt_off0000611d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x611D 19160 bytes
SHA-256: 8e4bf5e35d1a0f9fcf49341792e5baf52f00ab143530ed8d9c05d0f02d10e666