Malicious PDF — malware analysis report

Static analysis result for SHA-256 12124e32b1498263…

MALICIOUS

PDF

41.9 KB Created: 2021-04-07 18:08:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: f9674bed0b9a2f6ac289a48b84f19868 SHA-1: 00b771eb6258c06a8d0d1df073aa6935b77aa4fe SHA-256: 12124e32b149826350802be6c72abf4858e526b3cf72667d46e83b037a46dbad
82 Risk Score

Malware Insights

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

The PDF contains multiple links to websites offering 'Roblox hacks' and 'free Robux', which is a common lure for distributing malware. The ML classifier also flagged this PDF as malicious. The document body and embedded links strongly suggest a social engineering attempt to trick users into downloading potentially harmful software.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9988

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 https://gaminggenerator.org/app/431946152/roblox-hack-no-recoil-script-game-hack PDF link annotation
    • http://prazdnik-kzn.ru/images/free-roblox-hack-accounts.pdfIn PDF document text
    • http://avd-weiden.bayern/images/how-to-sell-clothes-on-roblox-for-free.pdfIn PDF document text
    • http://mechanism.gr/images/como-hacer-que-en-roblox-todo-te-salga-free.pdfIn PDF document text
    • https://www.beaufortcollege.ie/images/roblox-free-giveaway-800-robux.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/roblox-games-minecraft-free.pdfIn PDF document text
    • https://www.abrapppe.org.br/images/robux-hack-2021-proof-no-inspect-element.pdfIn PDF document text
    • http://www.htc.edu.au/images/how-to-exploit-roblox-free.pdfIn PDF document text
    • http://vostokbg.ru/images/free-robux-codes-twitter.pdfIn PDF document text
    • http://dorfgaragethalwil.ch/images/fun-robux-hack.pdfIn PDF document text
    • http://prodajalec.si/images/roblox-how-to-play-bloxburg-for-free.pdfIn PDF document text
    • http://k2visual.com.br/images/roblox-robux-hack-inspect-element.pdfIn PDF document text
    • http://interpretation-dessins-enfants.net/images/free-accounts-roblox-pastebin-7k.pdfIn PDF document text
    • http://italyfixer.com/images/granny-roblox-free-money.pdfIn PDF document text
    • http://www.lycee-langevin-wallon.com/images/free-robux-app-no-human-verification.pdfIn PDF document text
    • http://thaigundamshop.com/images/get-free-robux-no-scam-no-builders-club.pdfIn PDF document text
    • http://diatecgroup.com/images/roblox-free-roblox-toy-codes.pdfIn PDF document text
    • https://www.shin.ge/images/how-to-get-free-robux-and-bc-on-roblox.pdfIn PDF document text
    • http://fa-deco.com/images/roblox-project-pokemon-dupe-hack.pdfIn PDF document text
    • http://iricamidelcuore.it/images/roblox-hack-club.pdfIn PDF document text
    • http://k2visual.com.br/images/roblox-dupe-hack.pdfIn PDF document text
    • https://www.beaufortcollege.ie/images/roblox-free-giveaway-800-In PDF document text
    • https://www.abrapppe.org.br/images/robux-hack-2021-proof-In PDF document text
    • http://interpretation-dessins-enfants.net/images/free-accounts-roblox-In PDF document text
    • http://www.lycee-langevin-wallon.com/images/free-robux-app-no-In PDF document text
    • http://diatecgroup.com/images/roblox-In PDF document text
    • http://fa-deco.com/images/roblox-project-In 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_off000048ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x48AE 25504 bytes
SHA-256: a64c4793be10593b76c353358a2f523c4f53df7fcfa23c74020cd38b13636443
font_01_sfnt_off000082d7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82D7 17952 bytes
SHA-256: 6640b38e12f7d8caa65118958f72a7a71c4b4d7c08bb7b419f82ae48df174899