Malicious PDF — malware analysis report

Static analysis result for SHA-256 ebb6baa183791023…

MALICIOUS

PDF

251.2 KB Created: 2021-04-04 10:53:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-07-13
MD5: 973968fa773aa5e736e6a5f599ae8a5f SHA-1: abd37a5eeca921d9f8e4038d406eea99ff1a580b SHA-256: ebb6baa1837910237a2c0d42b9d6f947d53c910a2b9f8a13ff56e80eb0d4f339
72 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is identified as malicious by ClamAV with a specific signature indicating it's a phishing attempt related to Roblox. The document body and embedded URLs suggest a lure for free in-game items, which is a common tactic for phishing and malware distribution. The presence of external URIs further supports the malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier clean score 0.1358

Heuristics 4

  • ClamAV: Pdf.Phishing.Roblox062100-9873116-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Roblox062100-9873116-0
  • 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/free-hair-on-roblox-for-girls PDF link annotation
    • https://cdu-lengerich.de/images/hack-robux-apk.pdfIn PDF document text
    • http://www.centromedicoaurora.it/images/free-things-in-the-roblox-catalog.pdfIn PDF document text
    • http://www.vktzunami.cz/images/roblox-how-to-be-a-nerd-no-robux-no-hacks.pdfIn PDF document text
    • http://aadvanderklaauw.nl/images/how-to-get-roblox-admin-with-cheat-engine.pdfIn PDF document text
    • http://sbm-nn.ru/images/roblox-free-download-online.pdfIn PDF document text
    • https://arcasict.nl/images/how-to-hack-roblox-prison-life-v2-02.pdfIn PDF document text
    • http://www.bernerpupping.at/images/how-to-get-free-robux-no-human-verification-on-phone.pdfIn PDF document text
    • http://www.exikom.com.ua/images/free-private-server-roblox.pdfIn PDF document text
    • http://medimacs.eu/images/how-to-inject-roblox-hacks.pdfIn PDF document text
    • http://biccairo.com/images/black-clover-roblox-hack-script.pdfIn PDF document text
    • http://santeh-40.ru/images/free-cool-stuff-on-roblox.pdfIn PDF document text
    • https://www.arquetopia.org/images/roblox-hack-generator-no-human-verification.pdfIn PDF document text
    • http://www.beantownlimo.com/images/free-items-from-roblox-not-on-avatar.pdfIn PDF document text
    • https://newenglandafs.com/images/free-robux-javascript-2021.pdfIn PDF document text
    • http://malichy.pl/images/roblox-shirt-free-shipping.pdfIn PDF document text
    • http://eooe.gr/images/free-star-wars-game-passes-roblox.pdfIn PDF document text
    • https://hbpbenin.com/images/how-to-get-free-robux-august-2021.pdfIn PDF document text
    • http://goosesscuba.com/images/roblox-hacks-injector.pdfIn PDF document text
    • https://www.abrapppe.org.br/images/best-free-roblox-outfitas.pdfIn PDF document text
    • http://altc.de/images/cheat-engine-roblox-windows-8.pdfIn PDF document text
    • http://imp.lg.ua/images/free-roblox-red-pants.pdfIn PDF document text
    • https://arcasict.nl/images/free-robux-hack-that-really-really-actually-works.pdfIn PDF document text
    • https://masseymotorcars.com/images/hex-hack-roblox.pdfIn PDF document text
    • http://intrasservices.com/images/free-robux-no-survey-no-download-2021-ios.pdfIn PDF document text
    • http://finalstand.org/images/free-400-robux-generator-no-human-verification-or-offers.pdfIn PDF document text
    • http://cdescolapios.org/images/hacks-for-rogoul-roblox-pllz-teach-me.pdfIn PDF document text
    • http://poltekkeskhjogja.ac.id/images/roblox-cheats-for-robux-no-download.pdfIn PDF document text
    • https://www.europap.cz/images/free-robux-no-download-or-human-verification.pdfIn PDF document text
    • https://www.lavigny.ch/images/comment-cheat-sur-roblox-avec-cheat-engine.pdfIn PDF document text
    • http://cmme.it/images/roblox-hack-scripts-2021.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
stream_007_off00038e76.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x38E76 24160 bytes
SHA-256: 6888b67c42026c2a1df93e51430f4d1bd6961a9cb42b432976cb7e892bde45fa
font_01_sfnt_off0003c527.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3C527 17884 bytes
SHA-256: 0534ea810d2b7084c5c71ce33a8e389841b6fcbccf445997520a3a4c425a76d3