Malicious PDF — malware analysis report

Static analysis result for SHA-256 810fa11fa5c753fb…

MALICIOUS

PDF

240.8 KB Created: 2021-04-05 02:47:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: aef348e8fe98366b8b3ed0120d12d85f SHA-1: 09664bc407c12d2c0ac9ac3330548362df1d1849 SHA-256: 810fa11fa5c753fbd6e22bfb5d1525b269283db5b0b9b1f45681c370d96a62cd
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple URLs related to 'free Robux' and 'hacks', strongly suggesting a phishing or scam attempt. The ClamAV detection 'Pdf.Phishing.Roblox062100-9873116-0' further confirms its malicious nature. While no scripts were explicitly extracted, the presence of embedded URLs and the phishing lure indicate a likely attempt to redirect users to malicious sites for credential harvesting or other fraudulent activities.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5773

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/how-to-get-free-robux-without-paying-money PDF link annotation
    • http://artindex.pro/images/roblox-hack-no-scam-robloxian.pdfIn PDF document text
    • https://belixconstructions.com.au/images/roblox-how-to-get-free-wings.pdfIn PDF document text
    • http://consultinggirona.es/images/get-free-robux-free-pin-codes-2021.pdfIn PDF document text
    • http://nikabio.com/images/free-20-robux.pdfIn PDF document text
    • http://arthakranti.org/images/how-to-use-cheat-engine-63-on-roblox-speed-hack.pdfIn PDF document text
    • https://www.fenews.co.uk/images/anime-roblox-roblox-face-free.pdfIn PDF document text
    • https://www.ausecus.com/images/free-realms-roblox.pdfIn PDF document text
    • https://enpav.it/images/free-robux-hack-without-downloading-apps.pdfIn PDF document text
    • http://pandaplast.com/images/roblox-shirt-template-free.pdfIn PDF document text
    • https://domoticaaplicada.com/images/free-hat-in-roblox-2021.pdfIn PDF document text
    • https://amatq.ca/images/roblox-strucid-hack-script.pdfIn PDF document text
    • http://www.art-concept.gr/images/how-to-get-admin-on-roblox-without-cheat-engine.pdfIn PDF document text
    • http://www.sitiamministrabili.it/images/instant-hack-roblox.pdfIn PDF document text
    • http://domaizdereva24.ru/images/how-to-hack-roblox-for-robux-201.pdfIn PDF document text
    • http://grupodin.com.br/images/skin-hacker-roblox.pdfIn PDF document text
    • http://grupodin.com.br/images/free-muscle-t-shirt-roblox.pdfIn PDF document text
    • http://techmobil.pl/images/how-to-get-free-robux-easiest-way-september-2021.pdfIn PDF document text
    • https://asesoriamss.com/images/roblox-shotgun-lua-hack-command.pdfIn PDF document text
    • http://androidthai.in.th/images/rbuxcheats-club-roblox-hack-gold-generator.pdfIn PDF document text
    • http://brusivojimi.com/images/undetectable-cheat-engine-roblox.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_off00036b5c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x36B5C 21720 bytes
SHA-256: eb6587aefa4318ac8ef0307d75874602bd602d8bfb57fa8bf8c5ce4ce7b8b9ae
font_01_sfnt_off00039ab2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x39AB2 19204 bytes
SHA-256: 13d53bf59045a90d830276c6864076f5f86f7b70d9713a2f6d0a55dea5bf70e7

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