Malicious PDF — malware analysis report

Static analysis result for SHA-256 74854071bc2a1c48…

MALICIOUS

PDF

255.0 KB Created: 2021-04-05 13:10:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 57ddc5c765e756a3e77780503f09c21a SHA-1: 3084442f0af3376036f58ebfc598dc02430463f3 SHA-256: 74854071bc2a1c481ed2cfca2b413b1a359becd0fb76068474ab12d10add763f
72 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with a specific signature indicating phishing related to Roblox. The document body, though truncated and obfuscated, contains references to 'Roblox' and 'cheating', aligning with the phishing lure. Multiple embedded URLs point to domains that also appear to be related to Roblox cheats or free items, suggesting a common phishing campaign.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3043

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-prevent-roblox-from-detecting-cheating PDF link annotation
    • http://parsbaft.com/images/free-cute-outfits-on-roblox.pdfIn PDF document text
    • http://www.centrodelsorriso.it/images/cheats-for-jailbreak-on-roblox.pdfIn PDF document text
    • https://osk-sibir.ru/images/como-hacer-que-en-roblox-todo-te-salga-free.pdfIn PDF document text
    • http://avocatultau.eu/images/how-to-get-free-robux-actually-roblox.pdfIn PDF document text
    • http://scuttworksdesigns.us/images/free-robux-pastebin-no-wait-2021-may.pdfIn PDF document text
    • http://magnipsor.su/images/free-roblox-generator-no-survey.pdfIn PDF document text
    • https://www.audev.com/images/free-catalog-stuff-roblox.pdfIn PDF document text
    • http://amtabor2.at/images/free-robux-no-verification-no-download-2021.pdfIn PDF document text
    • https://masseymotorcars.com/images/cheat-codes-for-roblox-mad-paint-ball.pdfIn PDF document text
    • http://g3galileo.com/images/a-wolf-or-other-roblox-cheats.pdfIn PDF document text
    • http://belagrogen.by/images/roblox-free-colthes.pdfIn PDF document text
    • http://unionmusicaldebenidorm.com/images/how-to-hack-roblox-accounts-on-computer.pdfIn PDF document text
    • https://jdlgroup.ca/images/how-to-get-free-robux-obby-no-password.pdfIn PDF document text
    • http://forsazh-51.ru/images/how-to-inject-dll-roblox-hack.pdfIn PDF document text
    • http://truebibleteaching.com/images/roblox-got-talent-cheat.pdfIn PDF document text
    • https://www.fenews.co.uk/images/how-to-get-1-billion-robux-for-free.pdfIn PDF document text
    • https://schaefer-rechtsanwaelte.com/images/free-robux-gift-card-cods.pdfIn PDF document text
    • http://ottawavalleykitchens.ca/images/how-to-hack-roblox-by-using-inspect.pdfIn PDF document text
    • http://rushxpress.de/images/create-a-roblox-account-free-2021.pdfIn PDF document text
    • http://shapemybrows.id/images/free-robux-generator-no-human-verifacations-or-downlods-to-chrome.pdfIn PDF document text
    • https://pneukalousek.cz/images/robux-hack-sur-pc-sans-humain-verification.pdfIn PDF document text
    • http://cepobajodeva.com/images/tool4u-vip-ff-hack-roblox.pdfIn PDF document text
    • http://smallcom.fr/images/razzberry-cheat-roblox.pdfIn PDF document text
    • http://www.metinadistribuzione.com/images/roblox-county-free.pdfIn PDF document text
    • http://unionmusicaldebenidorm.com/images/roblox-hack-bogga-bogga.pdfIn PDF document text
    • https://farkas.de/images/free-gift-card-numbers-roblox.pdfIn PDF document text
    • http://medimacs.eu/images/free-game-pass-roblox-2021.pdfIn PDF document text
    • https://www.gymun.cz/images/roblox-hack-init-roblox-hack-addrobux.pdfIn PDF document text
    • https://ogm-goettingen.de/images/how-to-speed-hack-in-roblox-mm2.pdfIn PDF document text
    • http://www.cbgp.upm.es/images/free-robux-method.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
stream_004_off00039a62.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x39A62 24192 bytes
SHA-256: 42e991a8ac64b210bd5d000d7aac650aacbc636fe31fb70b81318672e40ae814
font_01_sfnt_off0003d168.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3D168 19248 bytes
SHA-256: 215625d9e68de2ecb15ef4271fe9ad459f32106109bdc9034da5a3734e678659

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