Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0ae59f8039cfe73…

MALICIOUS

PDF

238.8 KB Created: 2021-04-04 12:51:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 05b63e964c779469f0d14756f2a660a2 SHA-1: 3402f86932ecc76f505c811969ad4bdc18e6c681 SHA-256: e0ae59f8039cfe7327b0c6d308498d2242f8330c34a45c6df21d3b82fe1dcaf6
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as a phishing lure, likely related to Roblox, based on the 'PDF_IMAGE_LURE' and 'CLAMAV_DETECTION' heuristics. The document body contains text suggesting a 'how to hack' theme, and numerous URLs are embedded, pointing to potential phishing sites or malware distribution points. The primary attack pattern involves tricking users into clicking these links, which is consistent with spearphishing attachments.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3029

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-to-hack-and-get-a-free-item-in-roblox
    • http://immo360grad.com/images/free-clothes-for-roblox-2021.pdf
    • http://atelierweb.it/images/free-owner-admin-roblox.pdf
    • http://icomsolutions.com.au/images/claim-robux-free.pdf
    • http://www.homesweethome.pl/images/roblox-admin-hack-free-download.pdf
    • http://gestibrok.com/images/getbucks-me-robux-free.pdf
    • https://digitalsenseafrica.com.ng/images/lacify-cheat-roblox.pdf
    • http://businessfit.com/images/how-to-hack-roblox-admin-2021.pdf
    • http://horsa18.ru/images/roblox-lumber-tycoon-tg-hacks.pdf
    • http://jbm-constructions.com/images/how-to-get-2021-robux-for-free.pdf
    • http://smart-pro.co.uk/images/hacked-by-john-doe-roblox-prank.pdf
    • http://www.peterdejonge.nl/images/how-to-hack-unercorn6-in-roblox.pdf
    • http://piadaandco.it/images/free-robux-no-survey-or-human-verification-2021.pdf
    • https://liceucastrodelapenya.com/images/hacker-pet-simulator-roblox.pdf
    • http://www.hawler.in/images/cheat-code-roblox-jailbreak.pdf
    • http://xn-----clcdhzcbmgnochhb1boe1a6b.xn--p1ai/images/how-to-hack-roblox-lumber-tycoon-2.pdf
    • http://unc-europe.com/images/roblox-cant-die-hack.pdf
    • http://iluvlocalplaces.com/images/roblox-studio-install-free.pdf
    • http://www.friendshiptransport.net/images/hack-stats-on-roblox-game.pdf
    • https://www.utalii.ac.ke/images/how-do-you-get-robux-for-free-on-laptop.pdf
    • http://www.bbnest.it/images/free-robux-trapball.pdf
    • https://bancroftandsons.com/images/how-to-get-free-robux-in-roblox-on-ipad.pdf
    • http://alexandrion.com/images/roblox-com-hack-password.pdf
    • http://naturschutzgossau-zh.ch/images/hw-how-to-cheat-on-da-hood-roblox.pdf
    • http://engelum.com/images/free-robux-2021-no-survey.pdf
    • http://infoagronomia.com.ar/images/hack-de-cuentas-de-roblox.pdf
    • http://legs11.co.za/images/how-to-hack-roblox-accounts-with-brute-force.pdf
    • https://www.elevage-chiot.fr/images/como-ser-hacker-en-roblox-sin-descargar-nada.pdf
    • https://komakinosite.jp/images/free-robux-codes-december-2021.pdf
    • https://www.ukrtrans.biz/images/guy-goes-to-jail-for-hacking-roblox.pdf
    • http://infoagronomia.com.ar/images/how-do-u-speed-hack-in-mm2-roblox.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00036a85.bin
30883304b910616b155aebc502a3c5acdc3c5afcad9008c8e92720090f09aedf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x36A85 19200 bytes
font_01_sfnt_off00039299.bin
0a54cf800831e6181c204f2cdafa2e5f55e3d7c194e134694770e7a5185f41e6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x39299 18584 bytes

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