PDF static analysis report

Static analysis result for SHA-256 21b9ae2bcfcd8ac2…

SUSPICIOUS

PDF

33.9 KB Created: 2021-06-18 11:56:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: d792168792ae0548ea2855c867bbc388 SHA-1: e4ef421b6344293a897cb9a130f38ff1056381ca SHA-256: 21b9ae2bcfcd8ac2ff84726ec6439b7d5c28798188707624c4616b4badd78831
42 Risk Score

Malware Insights

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

The PDF document contains multiple embedded URLs and a prominent external URI pointing to a download for a 'Roblox Hack'. The ML classifier strongly flagged this PDF as malicious, and the presence of download-related lures reinforces the intent to trick users into downloading and executing a second-stage payload. The document body text directly mentions the primary malicious URL and game-related lures.

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/greenwood-town-roblox-hack-game-hack PDF link annotation
    • https://lib.bunghatta.ac.id/app/repository/daily-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/easy-ways-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/roblox-lion-roleplay-cheats_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/worst-client_GM479516143.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/minecraft-free-no-virus_GM479516143.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/how-to-get-roebucks-in-roblox_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/coin-master-spin-link-free-download_GM406889139.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/coin-master-hack-1021_GM406889139.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/free-minecraft-skins_GM479516143.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/hacker-egg-2021-roblox_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/can-you-make-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/roblox-gift-card-online-free_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/200-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/coin-master-hacks-no-surveys_GM406889139.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/coin-master-free-spins-coins_GM406889139.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/bux-life-free-robux_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/coin-master-free-coins-spins_GM406889139.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/mcpe-master-hack-unlimited-coins-latest-version_GM406889139.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/how-to-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/free-scripter-roblox_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_off00002e35.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E35 22160 bytes
SHA-256: 7dd41cc7178f991f6cb1ee2e85c2012813deec77c0bcc83334dce58f6abdbb15
font_01_sfnt_off00005f65.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F65 18996 bytes
SHA-256: b2b5f1c987e6e69fb7933500b0afc70671b4ab25f31e7db774cd695672fa0f48

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