PDF static analysis report

Static analysis result for SHA-256 431d1d77b0b4011b…

SUSPICIOUS

PDF

34.7 KB Created: 2021-06-26 07:48:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 0570667a2fb91718cd3c4001fd432923 SHA-1: 4edb65fd92b03fd026ece5b4cc7883312a668c82 SHA-256: 431d1d77b0b4011bd9de03e828f6856f9a4760475a32e0802aebb2b5f4eece6d
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains numerous embedded URLs and a prominent link to 'netcdn.co' which is likely a malicious redirector or download host. The document body text, while garbled, suggests a lure related to game cheats and in-game currency, aligning with common phishing and malware distribution tactics. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of malicious intent.

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/best-hack-for-dragon-ball-z-rage-on-roblox-game-hack PDF link annotation
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/minecraft-xbox-360-free_GM479516143.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-robux-earn_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/what-games-on-roblox-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-tiktok-followers-instantly_GM835599320.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/easy-robux-today-com_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/coin-master-free-spins-hack_GM406889139.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/get-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-robux-1-minute_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/did-uopyu-get-hacked-roblox_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/minecraft-pe-free-download-ios-no-jailbreak_GM479516143.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/mcpe-master-free-coins_GM406889139.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/coin-master-gift-hack_GM406889139.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/good-free-minecraft-server-hosting_GM479516143.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/how-to-get-free-unlimited-robux_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/how-do-i-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/coin-master-free-coins-app_GM406889139.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/minecraft-free-download-windows-10_GM479516143.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/how-to-hack-roblox-accounts-2021_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/minecraft-pocket-apk_GM479516143.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-robux-hack-fr_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000307b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x307B 22296 bytes
SHA-256: 6cb8f41035d7e6552bfd24a1462a1ba052ddb04cee1b44918d9d839d2346f5ba
font_01_sfnt_off0000623d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x623D 19188 bytes
SHA-256: f65d452063cc62a975b1e44331166035f2be717e5162941aaebb5c446b46abd6

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