Malicious PDF — malware analysis report

Static analysis result for SHA-256 2103a82a76922d51…

MALICIOUS

PDF

240.7 KB Created: 2021-04-04 22:05:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-21
MD5: b1481d3f56c1e96db2539da17119aac6 SHA-1: 8644f7c44df4fcdcb3f5ccc03e27ef748a8562b0 SHA-256: 2103a82a76922d5190e31a7b5c476adeb6378e0f3db5fb1bd2e89d17859c5fd0
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was detected by ClamAV as 'Pdf.Phishing.Roblox062100-9873116-0', indicating a phishing attempt related to the Roblox game. The document body and embedded URLs suggest a lure for game hacks or Robux, directing users to potentially malicious websites. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing or malware distribution scheme.

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/outfit-hacks-in-royale-high-roblox PDF link annotation
    • https://www.manmed.info:443/images/roblox-jailbreak-free-money-hack.pdfIn PDF document text
    • http://bibliotheque-perrigny-les-dijon.fr/images/roblox-free-candy-van-hack.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/hoot-join-a-roblox-group-for-free.pdfIn PDF document text
    • http://www.eptaviation.com/images/hack-dragon-ball-z-roblox.pdfIn PDF document text
    • http://brandyourbody.com/images/how-to-hack-roblox-for-robux-2021.pdfIn PDF document text
    • https://www.mvp.co.nz/images/how-to-hack-roblox-on-youtube-on-your-phone.pdfIn PDF document text
    • http://www.lovecraftiana.com.ar/images/codes-to-get-free-robux-on-roblox.pdfIn PDF document text
    • http://standart-lab.ru/images/roblox-hack-no-human-verification-no-download.pdfIn PDF document text
    • http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/robux-hack-top-2021.pdfIn PDF document text
    • http://www.hawler.in/images/synapse-roblox-hack-dll.pdfIn PDF document text
    • https://www.stkdb.cz/images/roblox-free-robux-cheat-2021.pdfIn PDF document text
    • http://jenne-technik.de/images/roblox-how-to-get-unlimited-free-robux-and-obc.pdfIn PDF document text
    • http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/free-roblox-gift-card-codes-2021-not-used.pdfIn PDF document text
    • http://armportal.co.uk/images/how-to-hack-free-robux-on-ios.pdfIn PDF document text
    • http://unifieo.br/images/how-to-make-free-roblox-audio.pdfIn PDF document text
    • http://farwesterndistrict.org/images/unblocked-roblox-hacks.pdfIn PDF document text
    • https://wandersuechtig.de/images/rblx-gg-earn-free-robux.pdfIn PDF document text
    • http://hk-kan.org/images/how-to-make-your-roblox-t-shirt-free.pdfIn PDF document text
    • https://www.coriglianocalabro.it/images/roblox-free-stuff-for-avatar.pdfIn PDF document text
    • https://www.laarsenco.nl/images/free-roblox-vip-server-links.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_off00036ae1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x36AE1 22008 bytes
SHA-256: e8133e0292417380a24bd588fdd1e57866c44145abaa2e865c6bd9cc979e5d35
font_01_sfnt_off00039a90.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x39A90 18912 bytes
SHA-256: fcf690f2db5bfb50995e3912f227c21e230ba75d8e74769739bc7b610dee6d8f