PDF static analysis report

Static analysis result for SHA-256 48ebb192c70c7a62…

SUSPICIOUS

PDF

33.5 KB Created: 2021-07-05 14:02:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: fffc3bf7fcd159ff6784219d0a012a22 SHA-1: 12db31ca031db73655b0d4e173fb53d6c36e244f SHA-256: 48ebb192c70c7a62469cc803bf35a826feba5123b0230bacb78cdd85a4f62298
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a document body that advertises game hacks and cheats, strongly suggesting a lure for users to download malicious content. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the lures indicate a high likelihood of the document facilitating the download of 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.tw/app/431946152/roblox-trolling-game-hack PDF link annotation
    • http://opac.kolejkrim.edu.my/repository/how-to-get-free-robux-without-verification_GM431946152.pdfIn PDF document text
    • http://opac.kolejkrim.edu.my/repository/roblox-gift-card-for-free_GM431946152.pdfIn PDF document text
    • http://opac.kolejkrim.edu.my/repository/roblox-hacks-mega_GM431946152.pdfIn PDF document text
    • http://opac.kolejkrim.edu.my/repository/free-money-assassin-roblox_GM431946152.pdfIn PDF document text
    • http://opac.kolejkrim.edu.my/repository/level-coin_GM406889139.pdfIn PDF document text
    • http://opac.kolejkrim.edu.my/repository/free-roblox-promo-codes-for-robux_GM431946152.pdfIn PDF document text
    • http://opac.kolejkrim.edu.my/repository/free-to-play-minecraft-servers_GM479516143.pdfIn PDF document text
    • http://opac.kolejkrim.edu.my/repository/coin-master-unlimited-spin-apk-free-download_GM406889139.pdfIn PDF document text
    • http://opac.kolejkrim.edu.my/repository/how-to-hack-an-account-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://opac.kolejkrim.edu.my/repository/free-roblox-clothing-group_GM431946152.pdfIn PDF document text
    • http://opac.kolejkrim.edu.my/repository/roblox-jailbreak-money-hack-2021-download_GM431946152.pdfIn PDF document text
    • http://opac.kolejkrim.edu.my/repository/coin-master-3533-android-hack_GM406889139.pdfIn PDF document text
    • http://opac.kolejkrim.edu.my/repository/free-robux-com-today_GM431946152.pdfIn PDF document text
    • http://opac.kolejkrim.edu.my/repository/free-models-for-roblox_GM431946152.pdfIn PDF document text
    • http://opac.kolejkrim.edu.my/repository/how-to-hack-roblox-with-cheat-engine-2021_GM431946152.pdfIn PDF document text
    • http://opac.kolejkrim.edu.my/repository/getbucks-free-roblox_GM431946152.pdfIn PDF document text
    • http://opac.kolejkrim.edu.my/repository/how-to-get-free-clothing-on-roblox_GM431946152.pdfIn PDF document text
    • http://opac.kolejkrim.edu.my/repository/clean-master-coins-hack_GM406889139.pdfIn PDF document text
    • http://opac.kolejkrim.edu.my/repository/free-roblox-accounts-2021-july_GM431946152.pdfIn PDF document text
    • http://opac.kolejkrim.edu.my/repository/coin-master-free-spins-and-coins-daily-links_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 7

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_off00002df0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2DF0 22176 bytes
SHA-256: 6997844a66539397fca1be8320ce3294497169bb3bfcf09f7ef9bc18509d1bbc
font_01_sfnt_off00005f44.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F44 18608 bytes
SHA-256: bd9cc7e7ca82a0a8419373867002843a4f29250bb170df13d8e4ecbded42bdb0

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