Malicious PDF — malware analysis report

Static analysis result for SHA-256 dc9520c342a5b39b…

MALICIOUS

PDF

244.1 KB Created: 2021-04-04 09:40:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-07-13
MD5: 010a705f5e45ebfa4f4dcad58be812ee SHA-1: 58e1f78937bbe06f8ad53cc7215d9c62a2cc5d19 SHA-256: dc9520c342a5b39b7350f2e5e77ffa13ab7b88cdfcf32c164f4ee508c4401732
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as a phishing lure, containing an image designed to trick users into clicking a link related to 'Roblox Hack Injector'. The presence of multiple embedded URLs, including one pointing to 'gaminggenerator.org', strongly suggests a malicious intent to redirect users to potentially harmful sites. The ClamAV detection further confirms its malicious nature as Pdf.Phishing.Roblox062100.

Machine Learning

  • Nyx PDF Classifier clean score 0.1227

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 244 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/roblox-hack-injector-2021 PDF link annotation
    • http://www.agri-tech.com.au/images/free-draw-roblox-kicked.pdfIn PDF document text
    • http://tecnodue.com/images/how-to-hack-games-in-roblox-on-ios.pdfIn PDF document text
    • https://zabota-kashira.ru/images/free-hat-in-roblox-2021.pdfIn PDF document text
    • http://www.lovecraftiana.com.ar/images/roblox-mod-hack-robux.pdfIn PDF document text
    • http://www.gongoff.com/images/roblox-guest-t-shirt-free.pdfIn PDF document text
    • https://www.eglihotel.gr/images/how-to-get-items-on-roblox-for-free.pdfIn PDF document text
    • http://hindicenter.com/images/roblox-skybox-changer-hack.pdfIn PDF document text
    • http://lanoblaie.fr/images/segunda-guerra-mundial-roblox-mapa-free.pdfIn PDF document text
    • http://legs11.co.za/images/roblox-bots-free-game.pdfIn PDF document text
    • http://eltisstudio.sk/images/free-robux-without-human-verification-2021-or-survey.pdfIn PDF document text
    • https://www.eglihotel.gr/images/gameclub-roblox-hack.pdfIn PDF document text
    • http://www.lovecraftiana.com.ar/images/veste-free-game-roblox.pdfIn PDF document text
    • https://www.najeebqasmi.com/images/how-to-exucute-a-script-with-cheat-engone-on-roblox.pdfIn PDF document text
    • http://www.controverseinterapie.it/images/free-robux-generator-net.pdfIn PDF document text
    • https://eleganceautospa.ca/images/free-robux-hack-no-human-verification-or-survey-2021.pdfIn PDF document text
    • http://www.pcclawyers.com.au/images/charlie4-in-roblox-hack.pdfIn PDF document text
    • http://greenoase.be/images/roblox-hack-t0pk3k-40.pdfIn PDF document text
    • http://bit-sky.com/images/free-robux-video-no-password.pdfIn PDF document text
    • http://goosesscuba.com/images/make-free-shirts-on-roblox.pdfIn PDF document text
    • https://gzog.pl/images/fast-to-use-roblox-hack-scrpits.pdfIn PDF document text
    • http://www.torvet11.dk/images/roblox-hack-shirt-id.pdfIn PDF document text
    • https://esl.ipb.ac.id/images/how-to-get-faces-that-cost-robux-in-roblox-free.pdfIn PDF document text
    • https://enpav.it/images/how-to-hack-roblox-free-robux-on-ipad.pdfIn PDF document text
    • http://immo360grad.com/images/mad-city-roblox-cheats.pdfIn PDF document text
    • http://abletrustcare.com/images/how-to-get-free-robux-from-inspecting-2021.pdfIn PDF document text
    • https://www.wadowice24.pl/images/free-obc-accounts-roblox.pdfIn PDF document text
    • https://www.alu-as.cz/images/how-to-get-hacks-on-roblox.pdfIn PDF document text
    • http://naturschutzgossau-zh.ch/images/how-to-get-war-machine-in-roblox-for-free.pdfIn PDF document text
    • https://schaefer-rechtsanwaelte.com/images/cheats-for-jailbreak-roblox-2021.pdfIn PDF document text
    • http://safwafurniture.com/images/hack-millions-of-robux.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_off00037ef4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x37EF4 19164 bytes
SHA-256: 60e20382f2ba9b8dd5a6479b0358f148e90c06c09ac50c44a32457e1e115f112
font_01_sfnt_off0003a69a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3A69A 18412 bytes
SHA-256: f2cf4be6b2a3bdeb572d9e15e7f6c468896b85da7127cfb0e7ada8f142225221

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