PDF static analysis report

Static analysis result for SHA-256 b167fdbf43eded6b…

SUSPICIOUS

PDF

35.9 KB Created: 2021-06-29 01:05:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 812f46277055bc68acc9588640199201 SHA-1: 434d2b1a269fe1fb5bfe64313bb9b33087918123 SHA-256: b167fdbf43eded6b44c5d740a094f2b1b1add2cbe3c45f3f294d44f785608f68
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains numerous links and references to obtaining free Robux, a virtual currency for the Roblox game, which is a common lure for malicious downloads. The ML classifier strongly flagged this PDF as malicious, and the presence of embedded URLs further supports a phishing or malware distribution attempt. The document's content and embedded URLs suggest it is designed to trick users into downloading a second-stage payload.

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-to-get-free-robux-by-a-roblox-code-game-hack PDF link annotation
    • https://privatearrangements.co.nz/public/files/roblox-bubblegum-free-dogcat_GM431946152.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/free-ways-to-get-robux_GM431946152.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/free-roblox-script-executor_GM431946152.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/how-to-get-free-money-in-ultimate-driving-roblox_GM431946152.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/how-to-speed-hack-on-roblox-mad-paintball_GM431946152.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/free-robux-no-verification-needed_GM431946152.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/toolbox-for-minecraft-pe_GM479516143.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/best-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/free-robux-com-real_GM431946152.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/roblox-report-hacker_GM431946152.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/can-you-get-free-robux-for-roblox_GM431946152.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/free-minecraft-bedrock-server-hosting_GM479516143.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/roblox-avatar-editor-free_GM431946152.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/earn-free-robux-for-roblox_GM431946152.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/minecraft-building-hacks_GM479516143.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/minecraft-build-hacks_GM479516143.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/minecraft-free_GM479516143.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/boost9-com-roblox-hack_GM431946152.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/roblox-free-robux-hack-2021-pc_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_off00003348.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3348 22764 bytes
SHA-256: d97d029d3513537fdb29ac8128a5128322498b9bb023371e21e597ea42adb590
font_01_sfnt_off0000663c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x663C 19412 bytes
SHA-256: 4eb1a97c75ad85a2184c7ed3e61c3d0f6756a6678fa16bf5263aefe552ac5657

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