Malicious PDF — malware analysis report

Static analysis result for SHA-256 7714dcdcadb2eb14…

MALICIOUS

PDF

34.1 KB Created: 2021-07-05 18:00:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07
MD5: 078114dff9945d60dac755884fee74f5 SHA-1: 02ed28236ce4b2f5ed46dd33c1800a53b3044f1c SHA-256: 7714dcdcadb2eb14a38c470d09f3a25995f383da78150a80515de6acc7b5ef17
82 Risk Score

Malware Insights

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

This PDF document employs a game hack lure to trick users into clicking a link. The link redirects to a website hosted on netcdn.tw, which is likely serving malicious content or further redirects. The presence of numerous similar URLs in the document body reinforces the phishing and redirection intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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-crc7-hack-game-hack PDF link annotation
    • http://pustaka-smpn3tpi.com//repository/freespinandcoin-blogspot_GM406889139.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/minecraft-life-hacks_GM479516143.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/bloxy-world-for-free-robux_GM431946152.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/how-to-hack-coin-master-ios-jailbreak_GM406889139.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/how-to-get-20210-robux-for-free_GM431946152.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/coin-master-homepage_GM406889139.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com//repository/bux-life-free-robux_GM431946152.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/how-can-u-get-free-robux_GM431946152.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/hack-roblox-workin-the-fuck_GM431946152.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/funbloxxyz-free-robux_GM431946152.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/roblox-hack-2021-cheats_GM431946152.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/roblox-hack-script-ihyper_GM431946152.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/roblox-case-clciker-hack_GM431946152.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/banning-hack-roblox_GM431946152.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/free-background-music-for-roblox_GM431946152.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/easy-roblox-today_GM431946152.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com//repository/www-coin-master-hack-xyz_GM406889139.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com//repository/robuxmatch-com-free-robux_GM431946152.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/pixies-gigantic-coin-master-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/wahoogaming-co-free-robux_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002ed9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2ED9 22424 bytes
SHA-256: dc0b76ece40dee147cfb3d6805d8bdfc4b5d0e4b00555e0966137ce5eebf4bab
font_01_sfnt_off000060df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60DF 18712 bytes
SHA-256: 24ef24077629b836aa82220c6b08ce869d0cacc61bda2c33bb736f250081224e

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