Malicious PDF — malware analysis report

Static analysis result for SHA-256 6f31f1200bdb707b…

MALICIOUS

PDF

239.8 KB Created: 2021-04-05 05:53:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 051ddc60ce92a7166548a93672960779 SHA-1: 5fc2d962db0f6486f822e402c78db1984f5cd3ed SHA-256: 6f31f1200bdb707ba13c2418a03c6dfcffb2c6e6a57af4ae57ab2d321da2d504
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was detected as malicious by ClamAV with the signature 'Pdf.Phishing.Roblox062100-9873116-0', indicating a phishing attempt related to Roblox. The embedded URL points to a site offering a 'Free Robux Tool', reinforcing the phishing lure. Although no scripts were extracted, the PDF structure and external URL suggest a malicious intent to trick users into downloading a potentially harmful tool or visiting a malicious website.

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/free-robux-tool-created-by-redboyrb PDF link annotation
    • http://www.lionel-seppoloni.fr/images/roblox-sex-games-free-model.pdfIn PDF document text
    • http://unifieo.br/images/free-robux-no-download-verification-or-survey.pdfIn PDF document text
    • http://www.nielsen2u.dk/images/free-robux-forks.pdfIn PDF document text
    • http://citycare.pt/images/robloxcom-free-bc.pdfIn PDF document text
    • http://lv-siegen.de/images/admin-in-roblox-hack.pdfIn PDF document text
    • https://shimony.net/images/hacks-for-roblox-script.pdfIn PDF document text
    • https://domoticaaplicada.com/images/how-to-hack-a-roblox-account-with-brutus.pdfIn PDF document text
    • http://karolinaherrera.com/images/roblox-tokyo-ghoul-bloody-nights-level-hack.pdfIn PDF document text
    • http://kermas.eu/images/free-roblox-gift-card-online.pdfIn PDF document text
    • http://www.fanciullovito.it/images/como-convertirse-en-hacker-en-roblox.pdfIn PDF document text
    • https://www.dierenartsberghman.be/images/free-free-robux-robux-robux-scam.pdfIn PDF document text
    • https://xn--80adfcepoood1a3b.xn--p1ai/images/free-robux-no-human-verification-2021-ios.pdfIn PDF document text
    • http://babyxpress.de/images/roblox-buy-robux-for-free.pdfIn PDF document text
    • http://www.lionel-seppoloni.fr/images/roblox-cheat-new-com.pdfIn PDF document text
    • http://vipservice-bg.com/images/cheating-asimo-roblox.pdfIn PDF document text
    • http://artindex.pro/images/how-to-hack-in-roblox-in-3-step.pdfIn PDF document text
    • https://www.appartamenticroazia24.com/images/reel-hack-for-roblox-jailbreak.pdfIn PDF document text
    • http://innovativefs.co.uk/images/roblox-hack-download-for-games.pdfIn PDF document text
    • http://www.lascalamilanowallcovering.it/images/free-robux-hack-no-scam.pdfIn PDF document text
    • http://clubpure.org/images/roblox-free-dresses.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_off00036a7b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x36A7B 21528 bytes
SHA-256: 569cfdb5bea3f0cecb8d8cb93c3b94507e28756ccd2cb6d97126570fd3b23e14
font_01_sfnt_off000399d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x399D6 18004 bytes
SHA-256: cee1ff21686fa88615c07b1a47a1dbe94d1e8b68b1a7e9b65074823b6a8e8fae