PDF static analysis report

Static analysis result for SHA-256 2481bfaba7bf04c6…

SUSPICIOUS

PDF

44.7 KB Created: 2021-06-11 04:06:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: b2fb3f8a86743c33a4bd14412db6a8b9 SHA-1: 67a88cd0d800c137daddcb143f69b29d5ffa6a47 SHA-256: 2481bfaba7bf04c6c4219dae7fe4f4d88e39fe380b5962e2847da8439f87678f
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links and a call-to-action phrase, strongly suggesting a phishing or scam attempt. The ML classifier also flagged this PDF as malicious with high confidence. The primary lure is the promise of 'Free Robux', a common theme in online scams. The document's structure and embedded URLs indicate it's designed to redirect users to potentially malicious websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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/how-to-get-free-robux-yummers-game-hack PDF link annotation
    • http://pustaka.ffarmasi.unand.ac.id/repository/is-it-possible-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://pustaka.ffarmasi.unand.ac.id/repository/free-robux-codes_GM431946152.pdfIn PDF document text
    • http://pustaka.ffarmasi.unand.ac.id/repository/free-robux-generator-for-kids_GM431946152.pdfIn PDF document text
    • http://pustaka.ffarmasi.unand.ac.id/repository/roblox-bloxburg-free-money_GM431946152.pdfIn PDF document text
    • http://pustaka.ffarmasi.unand.ac.id/repository/free-robux-generator-com-roblox-hack_GM431946152.pdfIn PDF document text
    • http://pustaka.ffarmasi.unand.ac.id/repository/free-robux-site_GM431946152.pdfIn PDF document text
    • http://pustaka.ffarmasi.unand.ac.id/repository/hidden-code-in-inquisitor-master-video-for-free-robux_GM431946152.pdfIn PDF document text
    • http://pustaka.ffarmasi.unand.ac.id/repository/daily-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://pustaka.ffarmasi.unand.ac.id/repository/how-to-get-free-robux-on-roblox-ipad-only_GM431946152.pdfIn PDF document text
    • http://pustaka.ffarmasi.unand.ac.id/repository/roblox-hacks-2021-mobile_GM431946152.pdfIn PDF document text
    • http://pustaka.ffarmasi.unand.ac.id/repository/how-to-make-items-free-on-roblox_GM431946152.pdfIn PDF document text
    • http://pustaka.ffarmasi.unand.ac.id/repository/free-robux-scams_GM431946152.pdfIn PDF document text
    • http://pustaka.ffarmasi.unand.ac.id/repository/free-roblox-catalog-hack_GM431946152.pdfIn PDF document text
    • http://pustaka.ffarmasi.unand.ac.id/repository/free-spin-link-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://pustaka.ffarmasi.unand.ac.id/repository/how-to-get-minecraft-for-free-on-ipad_GM479516143.pdfIn PDF document text
    • http://pustaka.ffarmasi.unand.ac.id/repository/free-robux-credit-card-number_GM431946152.pdfIn PDF document text
    • http://pustaka.ffarmasi.unand.ac.id/repository/robloxmatchcom-free-robux_GM431946152.pdfIn PDF document text
    • http://pustaka.ffarmasi.unand.ac.id/repository/free-robux-no-verification-no-download_GM431946152.pdfIn PDF document text
    • http://pustaka.ffarmasi.unand.ac.id/repository/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://pustaka.ffarmasi.unand.ac.id/repository/hack-skin-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_off000051d2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x51D2 26096 bytes
SHA-256: dc74837a645b080ec73d7fb4f4b4bcb1ef9b529cb7e09475ba7154f25c43d204
font_01_sfnt_off00008ae5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8AE5 18704 bytes
SHA-256: 874a2275b6b2c846eca3b5422940186e48ea216fcf22074cb9d35aae771dde33

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