Malicious PDF — malware analysis report

Static analysis result for SHA-256 50a6eadbd965595c…

MALICIOUS

PDF

238.4 KB Created: 2021-04-04 13:19:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 0019c3c74151dd59e8eaceacf9113800 SHA-1: 5362f9dbe2139b5173ec86ff4b693d117dfec4af SHA-256: 50a6eadbd965595c30c24d5a47e6a61846ef8f2d590f4402031d6aabd48cab11
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF that presents itself as an image-based lure, typical of phishing or scam attempts. It contains a clickable link disguised as a download button, directing users to a URL related to hacking Roblox accounts. ClamAV detection further confirms its malicious nature as a phishing document.

Machine Learning

  • Nyx PDF Classifier clean score 0.2248

Heuristics 5

  • ClamAV: Pdf.Phishing.Roblox062100-9873116-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Roblox062100-9873116-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 238 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://gaminggenerator.org/app/431946152/how-hack-roblox-accounts-2021
    • http://www.htc.edu.au/images/how-to-get-key-in-new-hack-roblox-sh-team.pdf
    • http://goosesscuba.com/images/how-to-inspect-to-get-free-robux.pdf
    • http://msfs-eastafrica.com/images/fight-the-monsters-roblox-hack.pdf
    • http://www.lionel-seppoloni.fr/images/roblox-robux-hack-no-verify.pdf
    • http://www.fanciullovito.it/images/how-to-get-free-robux-website-no-verifcation.pdf
    • http://grupodin.com.br/images/free-robux-awards.pdf
    • https://asesoriamss.com/images/get-2021-free-robux-daily.pdf
    • https://www.romedia.gr/images/2021-roblox-hacking.pdf
    • http://www.teapotjewelry.com/images/free-robux-obby-working-2021.pdf
    • https://www.dachytarasowe.eu/images/cool-roblox-avatars-free.pdf
    • http://naturschutzgossau-zh.ch/images/free-robux-giveaway-code.pdf
    • https://www.lavigny.ch/images/how-to-free-robux-on-roblox-2021.pdf
    • https://grovehilloutfitters.com/images/free-clothes-from-roblox.pdf
    • http://www.malonmalon.com.ar/images/roblox-free-play-no-download-on-ipad.pdf
    • https://www.stayon.no/images/robuxian-robux-hack-website.pdf
    • https://www.foodsafety.cz/images/roblox-march-18-hack.pdf
    • https://pemadamapi.net/images/hack-for-roblox-no-human-verification-2021.pdf
    • https://fkg.usu.ac.id/images/roblox-bloxburg-free-to-play.pdf
    • https://amatq.ca/images/how-to-hack-roblox-money-with-cheat-engine-63.pdf
    • http://lcs-schlieben.de/images/top-10-best-free-game-executors-roblox.pdf
    • http://yogaschooldecypres.be/images/como-hackear-cuentas-de-roblox-android.pdf
    • http://sandra-masemann.de/images/how-to-get-free-pants-on-roblox-2021.pdf
    • https://asesoriamss.com/images/free-powerful-gun-on-nuclear-plant-tycoon-roblox.pdf
    • https://amatq.ca/images/hack-roblox-hack-free.pdf
    • http://iacovoulaw.com/images/how-to-hack-roblox-cheat-engine-66.pdf
    • https://www.stkdb.cz/images/can-i-get-free-money-on-roblox-adopt-me-2021.pdf
    • http://www.homesweethome.pl/images/free-robux-codes-no-offers.pdf
    • http://moto98.com/images/hack-scripts-for-roblox-download.pdf
    • http://moto98.com/images/cheats-for-ninja-legends-roblox.pdf
    • http://boliviagasenergia.com/images/roblox-plaza-hack.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00036a43.bin
98ce8d23bab809e0136d8c44618922dd68cd47d31aad0a3c15fc91238fe81acd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x36A43 18956 bytes
font_01_sfnt_off000391d2.bin
f0fd9ac674d8c1434d1ca8aa5b569dbe35330e44821a892ccd71281d3bd7261d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x391D2 18436 bytes

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