PDF static analysis report

Static analysis result for SHA-256 a340f3c7c32fbcd8…

SUSPICIOUS

PDF

44.9 KB Created: 2021-06-04 06:01:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 704801725231a5de05e8b3e002f3d8d4 SHA-1: cd1989f7963bfb7996b4fe5ee336ffe13b3623ae SHA-256: a340f3c7c32fbcd8a44bfd0378a6ffe7fe6e7b7185ef2fe683c1346553cb6e12
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a visual call-to-action, strongly suggesting a social engineering lure. The ML classifier also flagged this PDF as malicious with high confidence. The primary malicious URL identified is https://netcdn.online/app/431946152/robux-cheats-com-game-hack, which likely serves as a download source for a secondary payload. No scripts were extracted, but the presence of external links and the ML detection indicate a high likelihood of malicious intent.

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.online/app/431946152/robux-cheats-com-game-hack PDF link annotation
    • http://library.fikes.upnvj.ac.id/repository/coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://library.fikes.upnvj.ac.id/repository/buy-robux-free_GM431946152.pdfIn PDF document text
    • http://library.fikes.upnvj.ac.id/repository/how-to-hack-roblox-games_GM431946152.pdfIn PDF document text
    • http://library.fikes.upnvj.ac.id/repository/how-do-u-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://library.fikes.upnvj.ac.id/repository/how-can-u-get-free-robux_GM431946152.pdfIn PDF document text
    • http://library.fikes.upnvj.ac.id/repository/can-i-have-robux_GM431946152.pdfIn PDF document text
    • http://library.fikes.upnvj.ac.id/repository/how-to-get-free-robux-without-downloading-any-apps_GM431946152.pdfIn PDF document text
    • http://library.fikes.upnvj.ac.id/repository/free-robux-rewards_GM431946152.pdfIn PDF document text
    • http://library.fikes.upnvj.ac.id/repository/coin-master-spin-free_GM406889139.pdfIn PDF document text
    • http://library.fikes.upnvj.ac.id/repository/roblox-online-free-no-download_GM431946152.pdfIn PDF document text
    • http://library.fikes.upnvj.ac.id/repository/to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://library.fikes.upnvj.ac.id/repository/minecraft-java-hacks_GM479516143.pdfIn PDF document text
    • http://library.fikes.upnvj.ac.id/repository/can-you-play-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://library.fikes.upnvj.ac.id/repository/pokemon-go-free-walker_GM1094591345.pdfIn PDF document text
    • http://library.fikes.upnvj.ac.id/repository/rblx-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://library.fikes.upnvj.ac.id/repository/how-to-win-robux_GM431946152.pdfIn PDF document text
    • http://library.fikes.upnvj.ac.id/repository/free-spin-gratis-coin-master_GM406889139.pdfIn PDF document text
    • http://library.fikes.upnvj.ac.id/repository/roblox-font-free_GM431946152.pdfIn PDF document text
    • http://library.fikes.upnvj.ac.id/repository/free-pet-treats-coin-master_GM406889139.pdfIn PDF document text
    • http://library.fikes.upnvj.ac.id/repository/free-coin-master-spin-and-coin-link_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_off0000507f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x507F 26080 bytes
SHA-256: 5cb56161b1cb2bf06d95cf45a92550e23fc8f6d5a9e3bde451974096fd68e6bb
font_01_sfnt_off00008bdf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8BDF 18608 bytes
SHA-256: 4761829fa2d276774f90e381deae0602d835b6dde3cb619df9d68a8e7c1770f1

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