Malicious PDF — malware analysis report

Static analysis result for SHA-256 b750c6494c3a7293…

MALICIOUS

PDF

239.7 KB Created: 2021-04-05 03:22:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: f03fd5b9facc93c3b4e6868f0fcc24e9 SHA-1: 9377bb1bbc01d77988903dc14069c3a9b7847725 SHA-256: b750c6494c3a7293b2764799188deaf307d24b4df75fd5e9faba0558a523c26c
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple URLs pointing to sites offering 'Roblox hacks' or 'free Robux', indicating a phishing or scam attempt. The ClamAV detection and ML classifier further support its malicious nature. Although no scripts were directly extracted, the presence of embedded URLs and the overall context suggest the document is designed to trick users into downloading further malware or visiting malicious sites.

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/roblox-hacked-prehacks PDF link annotation
    • http://goosesscuba.com/images/free-robux-hack-download-2021.pdfIn PDF document text
    • http://news123.it/images/how-use-cheat-engine-on-roblox.pdfIn PDF document text
    • http://shahriyarclimb.com/images/roblox-hack-injector-2021.pdfIn PDF document text
    • https://roberto-gac.com/images/rbxoffer-com-free-robux.pdfIn PDF document text
    • http://prodent.com.ua/images/roblox-ro-ghoul-hack.pdfIn PDF document text
    • http://biccairo.com/images/is-hacking-illegal-in-roblox.pdfIn PDF document text
    • http://technologicalsc.com/images/free-assassin-knives-roblox.pdfIn PDF document text
    • https://www.apartmanychorvatsko24.cz/images/free-robux-no-verification-no-download.pdfIn PDF document text
    • https://sitam.co.in/images/gameresources-roblox-hack.pdfIn PDF document text
    • http://schlossschaenke-andernach.de/images/hack-roblox-commands.pdfIn PDF document text
    • http://stomatolog-choszczno.pl/images/robuxs-hack-no-survey-and-no-user-id.pdfIn PDF document text
    • https://beejekorf.nl/images/hex-number-gives-free-robux-no-verification-2021.pdfIn PDF document text
    • https://www.gvandenakker.nl/images/roblox-google-play-free-things.pdfIn PDF document text
    • http://ktn.com.br/images/twitter-free-robux.pdfIn PDF document text
    • http://iedarelief.us/images/best-free-things-to-get-in-roblox.pdfIn PDF document text
    • http://bagna.pl/images/i-want-to-break-free-roblox-music-video.pdfIn PDF document text
    • http://acktivities.com/images/free-mobile-24-robux.pdfIn PDF document text
    • http://ff-obertraun.at/images/free-robux-sitees-workin.pdfIn PDF document text
    • http://www.comitatoiseo.org/images/robux-hack-site-robloxcom.pdfIn PDF document text
    • http://jdlrelocation.com/images/apocalypse-rising-roblox-hacks-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
font_00_sfnt_off000369eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x369EB 21472 bytes
SHA-256: 72a2584167d1f78573ee4887cf0f6fa985ae822cb7f5d581ed602b35ec5398cb
font_01_sfnt_off000398ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x398AE 18240 bytes
SHA-256: 1b7262079b9e8f82910ebf805ba5da63458a02137c825a22c03ea9f4e5b13e79