Malicious PDF — malware analysis report

Static analysis result for SHA-256 e65341f5311e0e0f…

MALICIOUS

PDF

241.2 KB Created: 2021-04-05 07:52:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-07-10
MD5: f1b28967a4a6ebc3f0dfd5593274abec SHA-1: fc8240dc11a76d44af3eb032bf7962711994bb38 SHA-256: e65341f5311e0e0f86fef97320929d56b74a4c376699180b4423c4f4d29733b3
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF document detected as malicious by ClamAV, specifically identified as 'Pdf.Phishing.Roblox062100-9873116-0'. It contains numerous embedded URLs, with the primary one being 'http://gaminggenerator.org/app/431946152/2021-free-robux-hacks-without-human-verification', suggesting a phishing lure related to 'free Robux'. The document body, though heavily obfuscated, contains text related to '2021 Free Robux Hacks Without Human Verification', reinforcing the phishing theme. No scripts were extracted from this sample.

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/431946152/2021-free-robux-hacks-without-human-verification PDF link annotation
    • http://msfs-eastafrica.com/images/free-printable-coloring-pages-roblox.pdfIn PDF document text
    • http://joshherman.com/images/how-to-get-free-robux-no-waiting-or-inspect.pdfIn PDF document text
    • http://sbm-nn.ru/images/roblox-cheats-for-money-2021.pdfIn PDF document text
    • https://gafaseo.com/images/on-roblox-someone-hacked-me-and-lost-all-my-robux.pdfIn PDF document text
    • http://junktiquecollector.com/images/how-to-get-everything-free-in-roblox.pdfIn PDF document text
    • http://bestmaids.co.uk/images/how-to-get-hacker-mask-in-roblox.pdfIn PDF document text
    • http://gamixpaliwa.pl/images/how-to-hack-someone-on-roblox-2021.pdfIn PDF document text
    • https://scraperite.com/images/free-robux-without-human-verification-ios.pdfIn PDF document text
    • http://lllaw.eu/images/roblox-how-to-get-free-in-game-items.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/how-to-get-free-stuff-on-the-roblox-catalog.pdfIn PDF document text
    • https://gryps.de/images/free-roblox-hair-boy-rainbow.pdfIn PDF document text
    • http://africadaily.co.za/images/roblox-exploit-mega-nz-free-emperor-roblox-hack-mega-nz.pdfIn PDF document text
    • http://bau-lk.de/images/free-roblox-women-hair.pdfIn PDF document text
    • http://vibrato.fr/images/instant-free-robux-com.pdfIn PDF document text
    • http://muko-unterfranken.info/images/free-robux-with-verification.pdfIn PDF document text
    • http://centuriatus.com/images/free-roblox-gift-cards-2021.pdfIn PDF document text
    • http://apcupschennai.com/images/free-robux-in-roblox-games.pdfIn PDF document text
    • http://grupodin.com.br/images/how-free-free-robux.pdfIn PDF document text
    • https://gabrieliassociati.com/images/how-to-get-free-robux-creag.pdfIn PDF document text
    • https://www.fhccu.com/images/free-robux-no-human-verification-2021-real.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_off00036b30.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x36B30 21656 bytes
SHA-256: e1f08b76633ca8399a3e506e802dd8733d2c2151677cac0f889094c2aee6470a
font_01_sfnt_off00039a8d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x39A8D 19680 bytes
SHA-256: 0c701c309c4ac0c15335b7c8de2b6582e73fb941f27b9bb6f6493a0cf7508ad8

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