PDF static analysis report

Static analysis result for SHA-256 9e6bdbf65bcf01ac…

SUSPICIOUS

PDF

46.6 KB Created: 2021-05-17 03:31:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 5ad32161e0cbb1d7a513cd56103363db SHA-1: 93183b1db172c74b2f46f0c95cf4185fa407309d SHA-256: 9e6bdbf65bcf01ac8e4cf6bf35ccba508eb64e11b3484dd8a68ba5f5b20d04e7
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for free Roblox Robux, which is a common tactic for distributing malware. The ML classifier strongly flagged this PDF as malicious. An external URI pointing to 'netcdn.xyz' was found, likely serving as a download link for a secondary payload. No scripts were extracted, but the presence of embedded URLs and the ML classification suggest a malicious intent to trick users into downloading unwanted software.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9977

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/roblox-free-robux-com-game-hack PDF link annotation
    • http://webstan.be/images/how-to-earn-robux-fast_GM431946152.pdfIn PDF document text
    • http://webstan.be/images/coin-master-free-generator_GM406889139.pdfIn PDF document text
    • http://webstan.be/images/earn-robux-by-watching-ads_GM431946152.pdfIn PDF document text
    • http://webstan.be/images/coin-hackhub-coin-master_GM406889139.pdfIn PDF document text
    • http://webstan.be/images/minecraft-xray-hack_GM479516143.pdfIn PDF document text
    • http://webstan.be/images/coin-master-hack-apk-35-8_GM406889139.pdfIn PDF document text
    • http://webstan.be/images/is-there-any-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://webstan.be/images/wurst-hacks_GM479516143.pdfIn PDF document text
    • http://webstan.be/images/mosttechs-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://webstan.be/images/coin-master-hack-355_GM406889139.pdfIn PDF document text
    • http://webstan.be/images/spin-rewards-coin-master_GM406889139.pdfIn PDF document text
    • http://webstan.be/images/coin-master-hacks-free-spins_GM406889139.pdfIn PDF document text
    • http://webstan.be/images/free-robux-websites-no-human-verification_GM431946152.pdfIn PDF document text
    • http://webstan.be/images/coin-master-free-spin-and-coin-link-2021-today_GM406889139.pdfIn PDF document text
    • http://webstan.be/images/twitter-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://webstan.be/images/coin-master-free-coins-link-2021-deutsch_GM406889139.pdfIn PDF document text
    • http://webstan.be/images/minecraft-toolbox-premium-apk_GM479516143.pdfIn PDF document text
    • http://webstan.be/images/how-to-get-free-robux-on-mobile_GM431946152.pdfIn PDF document text
    • http://webstan.be/images/robux-hack-no-verification_GM431946152.pdfIn PDF document text
    • http://webstan.be/images/free-2021-robux_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
stream_003_off000049a3.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49A3 31992 bytes
SHA-256: 32fe8f653d7b6564526c06fc9eefdd4c882f2a591d7ff936fb4255253f1d8341
font_01_sfnt_off00009414.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9414 18348 bytes
SHA-256: ea71f63ad969ac354b647f6e6da4581b14ed625e24a3109b04dcf91fda1e68c2