PDF static analysis report

Static analysis result for SHA-256 185299693f50e756…

SUSPICIOUS

PDF

34.0 KB Created: 2021-06-29 18:56:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 7ac885c90ab481de50264d0144d9475a SHA-1: 994886d742b80e78545d913f26ad248368ef12e2 SHA-256: 185299693f50e7561412fa91b0d43cf8c08d15dbf467597c1934d259055a524e
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure promising free Robux, a virtual currency for the Roblox game, and includes an external URI pointing to a suspicious domain. The ML classifier also flagged this PDF as malicious. While no scripts were extracted, the presence of the lure and the external link strongly suggests a phishing or scam attempt to redirect users to a malicious website.

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-do-u-get-free-robux-code-game-hack PDF link annotation
    • https://foc.vn/public/upload/files/free-coin-master-spins-2021-link_GM406889139.pdfIn PDF document text
    • https://foc.vn/public/upload/files/free-roblox-hack_GM431946152.pdfIn PDF document text
    • https://foc.vn/public/upload/files/roblox-free-fall-damage-reddit_GM431946152.pdfIn PDF document text
    • https://foc.vn/public/upload/files/free-robux-without-verification-or-survey_GM431946152.pdfIn PDF document text
    • https://foc.vn/public/upload/files/get-free-robux-today_GM431946152.pdfIn PDF document text
    • https://foc.vn/public/upload/files/minecraft-realms-free-codes_GM479516143.pdfIn PDF document text
    • https://foc.vn/public/upload/files/robux-page_GM431946152.pdfIn PDF document text
    • https://foc.vn/public/upload/files/roblox-robux-hack-generator_GM431946152.pdfIn PDF document text
    • https://foc.vn/public/upload/files/how-to-hack-players-in-roblox_GM431946152.pdfIn PDF document text
    • https://foc.vn/public/upload/files/roblox-2021-hack_GM431946152.pdfIn PDF document text
    • https://foc.vn/public/upload/files/how-to-get-free-robux-on-roblox-2021-december_GM431946152.pdfIn PDF document text
    • https://foc.vn/public/upload/files/free-robux-games-that-actually-work_GM431946152.pdfIn PDF document text
    • https://foc.vn/public/upload/files/pastebin-free-robux-hack-no-wait_GM431946152.pdfIn PDF document text
    • https://foc.vn/public/upload/files/how-to-get-free-robux-without-doing-anything-2021_GM431946152.pdfIn PDF document text
    • https://foc.vn/public/upload/files/roblox-ben-10-games-for-free_GM431946152.pdfIn PDF document text
    • https://foc.vn/public/upload/files/is-roblox-hacked_GM431946152.pdfIn PDF document text
    • https://foc.vn/public/upload/files/free-robux-codes_GM431946152.pdfIn PDF document text
    • https://foc.vn/public/upload/files/coin-master-hacks-to-get-spins_GM406889139.pdfIn PDF document text
    • https://foc.vn/public/upload/files/real-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://foc.vn/public/upload/files/free-robux-no-human-verification-or-survey-or-download-2021_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_off00002e9f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E9F 21844 bytes
SHA-256: 7fc5d501f45395854af3d88a73c157763cbc87242728a00d977927988b2e9217
font_01_sfnt_off00005eb8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EB8 19328 bytes
SHA-256: e56bfb5fa984d804ff8549c5d2a59b47b66393d32e4f401e2cc59486782da4a0