Malicious PDF — malware analysis report

Static analysis result for SHA-256 86e4e9360082a1fd…

MALICIOUS

PDF

33.7 KB Created: 2021-06-25 18:44:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: ade0b8d93808c785472f79267618bb36 SHA-1: 7193bb2223624b4a16ddacd9fcdfe36a7b85beda SHA-256: 86e4e9360082a1fd1c5ac328a68b66011d1b8b04dae3b3b9459fc41aeeee35e7
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The document presents a fake CAPTCHA or human verification prompt to trick the user into interacting with it, likely to initiate a download or exploit. The embedded URL, http://netcdn.co/app/431946152/free-roblox-hair-girl-game-hack, is a strong indicator of a malicious payload delivery attempt. The ML classifier also flagged this PDF with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • 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-hair-girl-game-hack
    • http://library.poltekkes-palangkaraya.ac.id/repository/como-hackear-dragon-ball-rage-roblox-2021_GM431946152.pdf
    • http://library.poltekkes-palangkaraya.ac.id/repository/coin-master-free-spins-link-download-hack_GM406889139.pdf
    • http://library.poltekkes-palangkaraya.ac.id/repository/coin-master-hack-spins-game-download_GM406889139.pdf
    • http://library.poltekkes-palangkaraya.ac.id//repository/real-working-coin-master-hack_GM406889139.pdf
    • http://library.poltekkes-palangkaraya.ac.id//repository/ways-to-earn-robux_GM431946152.pdf
    • http://library.poltekkes-palangkaraya.ac.id/repository/coin-master-unlimited-spin-link_GM406889139.pdf
    • http://library.poltekkes-palangkaraya.ac.id/repository/roblox-iphone-hack_GM431946152.pdf
    • http://library.poltekkes-palangkaraya.ac.id/repository/tiktok-free-download-windows-7_GM835599320.pdf
    • http://library.poltekkes-palangkaraya.ac.id//repository/free-robux-meme_GM431946152.pdf
    • http://library.poltekkes-palangkaraya.ac.id/repository/coin-master-free-spins-link-2021-hack_GM406889139.pdf
    • http://library.poltekkes-palangkaraya.ac.id//repository/roblox-lovenet_GM431946152.pdf
    • http://library.poltekkes-palangkaraya.ac.id/repository/free-robux-no-human-varucashe_GM431946152.pdf
    • http://library.poltekkes-palangkaraya.ac.id/repository/free-coin-master-spins-link_GM406889139.pdf
    • http://library.poltekkes-palangkaraya.ac.id/repository/coin-master-links-free-spins_GM406889139.pdf
    • http://library.poltekkes-palangkaraya.ac.id/repository/free-robux-pin-codes_GM431946152.pdf
    • http://library.poltekkes-palangkaraya.ac.id//repository/how-can-i-get-free-coinsn-coin-master_GM406889139.pdf
    • http://library.poltekkes-palangkaraya.ac.id//repository/how-to-get-free-robux-without-downloading-any-apps_GM431946152.pdf
    • http://library.poltekkes-palangkaraya.ac.id/repository/mcpe-master-coins-hack-download_GM406889139.pdf
    • http://library.poltekkes-palangkaraya.ac.id//repository/coin-master-pc-hack-download_GM406889139.pdf
    • http://library.poltekkes-palangkaraya.ac.id//repository/coin-master-gold-cards-free-link_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003082.bin
c8b3de867a741020c465e5bd5237156eb430111075602b020f262433a5a95736		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3082 21552 bytes
font_01_sfnt_off00005f9d.bin
fd496eb845f32ea4326209c21559f60a81bf7b8235007408aeb13d40e90b21fa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F9D 18768 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.