PDF static analysis report

Static analysis result for SHA-256 c5c3c7ba41bb7d43…

SUSPICIOUS

PDF

48.9 KB Created: 2021-06-07 10:08:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 03b629ed180a7f63ce5528bc55dfe1e4 SHA-1: c3d3107e4de9cbf6d4b74aa500aefa2970bcbb06 SHA-256: c5c3c7ba41bb7d4399db5bd9ff3cb6bbc4ffb59ae27db0560394ed546d494a3e
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded URL that leads to a download page for a 'Roblox hack', indicating a lure for potentially unwanted or malicious software. The ML classifier also flagged this PDF as malicious. While no scripts were directly extracted, the presence of external URIs and the document's content suggest an attempt to trick the user into downloading a payload.

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.tw/app/431946152/download-roblox-for-free-unlockable-game-hack PDF link annotation
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/coin-master-free-spins-promo-code_GM406889139.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/get-free-stuff-in-roblox_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/roblox-star-wars-hack_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/got-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/free-robux-no-human-verification-or-survey-or-download-2021_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/lazyblox-com-free-robux_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/free-gear-hack-roblox_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/roblox-robux-free-bc_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/free-roblox-accounts-with-robux_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/how-to-get-free-admin-in-all-roblox-games_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/free-robux-no-verify_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/robux-hack-free-no-verify_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/how-to-hack-super-simon-says-on-roblox_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/roblox-banning-simulator-hack-download_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/parkour-hack-roblox_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/how-to-get-a-roblox-redeem-card-for-free_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/roblox-robux-hack-generator-2021_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/roblox-4ll-cool-hack_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_off00005280.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5280 25880 bytes
SHA-256: bda10acc85973c26f10aeffce3e3bf0fb6235d7a152e1839d13ac741764691d4
font_01_sfnt_off00008f4c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8F4C 3096 bytes
SHA-256: d05729863dc05721ada29044278030255eeda038236568e8246a87d3a8573d6e
font_02_sfnt_off000099f7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x99F7 19036 bytes
SHA-256: 294c11122365e8b898b1dbb8be9fdd0bdeed1116460b51fba551df09f3aea259