PDF static analysis report

Static analysis result for SHA-256 23cf0ac4255327ab…

SUSPICIOUS

PDF

48.5 KB Created: 2021-06-03 08:10:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: fab17d94edd19f9fedb0d72ee7387c91 SHA-1: e7137c88b197fe57ba794305edf6f1342a358bc4 SHA-256: 23cf0ac4255327ab1b11f74d13c1869e4b13a72bd64e73e69ea05b35b28b5fc2
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs pointing to scam-related content, such as 'free Robux' and game hacks. The ML classifier also flagged this PDF as malicious with high confidence. The presence of these links suggests a phishing or scamming attempt, likely intended to trick users into visiting malicious websites or downloading further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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.online/app/431946152/free-robux-scams-game-hack PDF link annotation
    • https://xhse.vn/public/upload/files/coin-master-lucky-patcher-hack_GM406889139.pdfIn PDF document text
    • https://xhse.vn/public/upload/files/tiktok-free-like-and-fans_GM835599320.pdfIn PDF document text
    • https://xhse.vn/public/upload/files/coin-master-free-spins-link-today_GM406889139.pdfIn PDF document text
    • https://xhse.vn/public/upload/files/coin-master-free-spins-link-blogspot-2021_GM406889139.pdfIn PDF document text
    • https://xhse.vn/public/upload/files/wurst-minecraft_GM479516143.pdfIn PDF document text
    • https://xhse.vn/public/upload/files/roblox-com-r_GM431946152.pdfIn PDF document text
    • https://xhse.vn/public/upload/files/minecraft-for-laptop-free_GM479516143.pdfIn PDF document text
    • https://xhse.vn/public/upload/files/how-to-get-free-food-on-coin-master_GM406889139.pdfIn PDF document text
    • https://xhse.vn/public/upload/files/roblox-free-bundles_GM431946152.pdfIn PDF document text
    • https://xhse.vn/public/upload/files/minecraft-free-app_GM479516143.pdfIn PDF document text
    • https://xhse.vn/public/upload/files/minecraft-coins-free_GM479516143.pdfIn PDF document text
    • https://xhse.vn/public/upload/files/coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • https://xhse.vn/public/upload/files/coin-master-hack-no-download_GM406889139.pdfIn PDF document text
    • https://xhse.vn/public/upload/files/free-roebucks-no-human-verification_GM431946152.pdfIn PDF document text
    • https://xhse.vn/public/upload/files/how-to-hack-roblox-to-get-robux_GM431946152.pdfIn PDF document text
    • https://xhse.vn/public/upload/files/minecraft-pe-free-apk_GM479516143.pdfIn PDF document text
    • https://xhse.vn/public/upload/files/how-to-hack-in-arsenal_GM431946152.pdfIn PDF document text
    • https://xhse.vn/public/upload/files/free-roblox-generator-for-roblox_GM431946152.pdfIn PDF document text
    • https://xhse.vn/public/upload/files/free-free-robux_GM431946152.pdfIn PDF document text
    • https://xhse.vn/public/upload/files/roblox-fun-com-free-robux_GM431946152.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
stream_004_off00005207.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5207 25836 bytes
SHA-256: 403b9f2ebad4962fcacf3db75576ae3aa521c2f735c9b0a76d33d563a80c3883
font_01_sfnt_off00008dae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DAE 3884 bytes
SHA-256: 40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf
font_02_sfnt_off00009a56.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9A56 18500 bytes
SHA-256: f6eebadb3de4af7ab0205057cc55fc1daf9397692da1370c2a19d2d749ad11f1