Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e54f13cb2982385…

MALICIOUS

PDF

32.7 KB Created: 2021-07-26 00:07:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 2ebca9caf95075f8410ca71bcdeffdbe SHA-1: 51d436f306b3c4e72131251b0d96324733862606 SHA-256: 3e54f13cb298238595969c039ba45f10a02eb6ff7c3fead18d018745d7f71f48
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that lure users with promises of game hacks and generators, specifically mentioning Minecraft and Roblox. The primary link redirects to a suspicious domain, likely serving as a landing page for malware or further phishing attempts. While no scripts were directly extracted, the PDF structure and embedded URIs strongly suggest a social engineering tactic to drive users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9900

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/479516143/minecraft-pe-hack-client-game-hack PDF link annotation
    • http://kfz-service-etp.de/images/coin-master-free-cards_GM406889139.pdfIn PDF document text
    • http://kfz-service-etp.de/images/minecraft-pe-015-0-apk-free-download_GM479516143.pdfIn PDF document text
    • http://kfz-service-etp.de/images/tiktok-follower-bot-free_GM835599320.pdfIn PDF document text
    • http://kfz-service-etp.de/images/minecraft-free-trial_GM479516143.pdfIn PDF document text
    • http://kfz-service-etp.de/images/roblox-promo-codes-free-robux_GM431946152.pdfIn PDF document text
    • http://kfz-service-etp.de/images/how-to-get-free-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://kfz-service-etp.de/images/roblox-hack-2021_GM431946152.pdfIn PDF document text
    • http://kfz-service-etp.de/images/how-can-i-get-free-robux_GM431946152.pdfIn PDF document text
    • http://kfz-service-etp.de/images/free-spins-coin-master-blogspot_GM406889139.pdfIn PDF document text
    • http://kfz-service-etp.de/images/how-to-download-minecraft-for-free-on-pc_GM479516143.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_off00002cf0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2CF0 22480 bytes
SHA-256: df21957e658b86d7b6256a0a06bedd204b4cab7003ea4116daebbdbab12ab7d6
font_01_sfnt_off00005f07.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F07 17968 bytes
SHA-256: a1bdeaf7b929e0321b1dbbf2b8f1cbdbbbd0c833166bb9e07af12e4b4538f125