PDF static analysis report

Static analysis result for SHA-256 4441c0f6ad94b7d9…

SUSPICIOUS

PDF

35.0 KB Created: 2021-06-28 03:32:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 61fa90cf7163a393613005da7d28ddd3 SHA-1: 2ade80f379028e00ca9e98ef384caa677ba8a1a8 SHA-256: 4441c0f6ad94b7d9a5ad48ffbfead6cc53da1e63c323905341ae8500ca08e58e
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a document body that explicitly mentions 'hack to get fre robux' and related game cheats. The ML classifier strongly flagged this PDF as malicious. The presence of multiple external URIs suggests the document is designed to redirect users to potentially malicious websites for downloading malware or phishing for credentials.

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/is-there-actually-a-hack-to-get-fre-robux-game-hack PDF link annotation
    • https://nature-air.com.tw/upload/files/how-to-cheat-roblox-dragon-ball-rage_GM431946152.pdfIn PDF document text
    • https://nature-air.com.tw/upload/files/free-draw-roblox-wiki_GM431946152.pdfIn PDF document text
    • https://nature-air.com.tw/upload/files/haktuts-coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • https://nature-air.com.tw/upload/files/roblox-cs-ro-hack_GM431946152.pdfIn PDF document text
    • https://nature-air.com.tw/upload/files/60-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://nature-air.com.tw/upload/files/get-free-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://nature-air.com.tw/upload/files/free-robux-website_GM431946152.pdfIn PDF document text
    • https://nature-air.com.tw/upload/files/how-to-get-fre-robux-2021-novmber_GM431946152.pdfIn PDF document text
    • https://nature-air.com.tw/upload/files/free-robux-codes-2021-not-used_GM431946152.pdfIn PDF document text
    • https://nature-air.com.tw/upload/files/free-executors-for-roblox_GM431946152.pdfIn PDF document text
    • https://nature-air.com.tw/upload/files/roblox-limiteds-for-free_GM431946152.pdfIn PDF document text
    • https://nature-air.com.tw/upload/files/speed-simulator-roblox-hack_GM431946152.pdfIn PDF document text
    • https://nature-air.com.tw/upload/files/free-robux-no-human-verification-generator_GM431946152.pdfIn PDF document text
    • https://nature-air.com.tw/upload/files/play-full-version-of-minecraft-for-free-no-download_GM479516143.pdfIn PDF document text
    • https://nature-air.com.tw/upload/files/how-to-hack-super-hero-tycoon-roblox_GM431946152.pdfIn PDF document text
    • https://nature-air.com.tw/upload/files/hack-de-fly-en-roblox_GM431946152.pdfIn PDF document text
    • https://nature-air.com.tw/upload/files/free-stuff-on-game-on-roblox-2021_GM431946152.pdfIn PDF document text
    • https://nature-air.com.tw/upload/files/far-reach-hack-roblox_GM431946152.pdfIn PDF document text
    • https://nature-air.com.tw/upload/files/free-roblox-2021-rich-accounts_GM431946152.pdfIn PDF document text
    • https://nature-air.com.tw/upload/files/how-to-get-free-robux-fast_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_off00003166.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3166 22296 bytes
SHA-256: 1b37eb114efb4ff279a1f34b91cc6612782c7096120531080ebcc9a97dc8b1b8
font_01_sfnt_off000062f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62F6 19408 bytes
SHA-256: 8841f199c1897c8689e3d0c4215550c997ab999ebf6bd8cbf8af1898c95198b0