Malicious PDF — malware analysis report

Static analysis result for SHA-256 bb003c6f6e74e325…

MALICIOUS

PDF

47.3 KB Created: 2021-06-13 17:32:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: a64721de93e4504ce3c45ff43ed29d8f SHA-1: e12f1b95ee37274ed706efd494344a6273cdbd5f SHA-256: bb003c6f6e74e32590213c0e80cde2f190452ae6a2edd6b7df1d6c77ed0a3649
102 Risk Score

Malware Insights

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

The document contains a lure for free in-game items for Roblox, directing users to a suspicious URL for download. The ML classifier also flagged this PDF as malicious. The presence of a "secret recovery" lure heuristic further indicates a high-risk document designed to trick users into revealing sensitive information or downloading malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9832

Heuristics 4

  • Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE
    Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
  • 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/free-roblox-map-game-hack PDF link annotation
    • http://lib.fisipumt.ac.id/repository/download-coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/is-roblox-studio-free_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/coin-master-official-website_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/bux-life-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/roblox-cruise-ship-tyccon-albatros-free-script_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/coin-master-daily-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/what-is-a-minecraft-client_GM479516143.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/hack-a-game_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/coin-master-hack-without-verification-code_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/how-to-get-20210-robux-for-free_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/free-robux-co_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/rape-simulator_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/online-coin-master-free-spin-app_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/hacking-roblox-jalibreak_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/roblox-pet-simulator-cheats-mobile_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/roblox-apk-hack_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/minecraft-java-free-trial_GM479516143.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/free-minecraft-accounts-2021_GM479516143.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/free-robux-websites-2021_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/coin-master-free-spins_GM406889139.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
stream_004_off000056fa.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x56FA 27796 bytes
SHA-256: ffa34524a9a2a533fe0ff827a9928050986af13a8d265f132b235dd59815df44
font_01_sfnt_off000095e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x95E9 18548 bytes
SHA-256: 7fcef155fae5b3f3931cc66f6def2950ef289430976bd2f8b8969900e8593378

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