Malicious PDF — malware analysis report

Static analysis result for SHA-256 2025e5bf91bc1a23…

MALICIOUS

PDF

250.4 KB Created: 2021-04-04 09:20:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-07-13
MD5: 92fcbbe4cc9eea7f1cca02cec7382861 SHA-1: c8204e71d33b48e6d7d2be05ead9ac4ec18e39a2 SHA-256: 2025e5bf91bc1a237f1f5fd237e9192d3faea9a77fe8a58930ad7f00d366ee5c
72 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with a specific phishing signature related to Roblox. The document body, though heavily obfuscated, contains references to 'Make Your Own Roblox Shirt Free' and the embedded URLs point to sites offering 'robux' or 'hacks' for Roblox. This strongly suggests a phishing or scam campaign targeting Roblox players. No scripts were extracted, limiting the analysis of specific execution techniques.

Machine Learning

  • Nyx PDF Classifier clean score 0.1227

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/make-your-own-roblox-shirt-free PDF link annotation
    • http://www.jureclomas.com.ar/images/robux-hack-link.pdfIn PDF document text
    • http://xn--59-6kcusgqlmfgen3m.xn--p1ai/images/omnija-roblox-cheat.pdfIn PDF document text
    • https://verdensbarn.no/images/telecharger-ded-robux-free.pdfIn PDF document text
    • https://www.wadowice24.pl/images/como-dibujar-en-free-draw-roblox.pdfIn PDF document text
    • https://schaefer-rechtsanwaelte.com/images/hack-roblox-para-robux.pdfIn PDF document text
    • http://cadcam.no/images/how-to-get-2021000-robux-free.pdfIn PDF document text
    • https://www.utalii.ac.ke/images/how-to-get-free-robux-in-1-second.pdfIn PDF document text
    • https://esl.ipb.ac.id/images/free-robux-2021-xyz.pdfIn PDF document text
    • http://www.gongoff.com/images/free-tokens-roblox-assassin.pdfIn PDF document text
    • http://sb2m.com.br/images/roblox-donloaden-free.pdfIn PDF document text
    • http://www.apocalissedigesucristo.com/images/how-to-hack-roblox-and-get-unlimited-robux.pdfIn PDF document text
    • http://sb2m.com.br/images/free-robux-code-giveaway-live.pdfIn PDF document text
    • https://belixconstructions.com.au/images/how-to-hack-all-roblox-games-pc.pdfIn PDF document text
    • https://hassel-event.de/images/roblox-android-hack-no-survey.pdfIn PDF document text
    • https://pagadder.com/images/roblox-magic-simolator-hack-script.pdfIn PDF document text
    • http://ff-obertraun.at/images/how-to-get-free-robux-on-roblox-on-iphone.pdfIn PDF document text
    • http://www.cosver.nl/images/how-to-noclip-in-roblox-jailbreak-no-hacks.pdfIn PDF document text
    • http://cristalysoptic.com/images/how-to-change-roblox-name-free.pdfIn PDF document text
    • https://masseymotorcars.com/images/how-to-get-free-robux-on-computer.pdfIn PDF document text
    • https://fkg.usu.ac.id/images/hack-of-robux.pdfIn PDF document text
    • http://www.pcclawyers.com.au/images/win1codez-free-robux.pdfIn PDF document text
    • http://www.sanjosedeminas.gob.ec/images/free-robux-and-tix-no-hack.pdfIn PDF document text
    • http://museumkk.ru/images/roblox-follow-flamingo-hack.pdfIn PDF document text
    • http://autenticohostalsalou.com/images/roblox-elemental-dragon-tycoon-cheat-codes.pdfIn PDF document text
    • http://www.hotelcimone.it/images/robux-hack-no-human-verification-no-download-no-survey-2021.pdfIn PDF document text
    • http://safwafurniture.com/images/how-to-get-money-in-roblox-bloxburg-cheat-engine.pdfIn PDF document text
    • http://www.inservis.cl/images/como-atravesar-paredes-en-roblox-jailbreak-hack.pdfIn PDF document text
    • http://www.bernerpupping.at/images/abs-roblox-free.pdfIn PDF document text
    • http://bestmaids.co.uk/images/roblox-free-clothes-cheat.pdfIn PDF document text
    • http://www.anies.eu/images/free-item-roblox-pastebin.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_off00038b78.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x38B78 22920 bytes
SHA-256: e808ef8cbbec20b37f62bb8b93044c964417673060e4da1d2ad2ff94e247f73e
font_01_sfnt_off0003bf69.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3BF69 18792 bytes
SHA-256: 8e0bda5137cc9fc5b2320b90ae6c9c8222f7d4930d3ec0e436f7eb95309121c5

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