Malicious PDF — malware analysis report

Static analysis result for SHA-256 daf769a1e3d9a169…

MALICIOUS

PDF

33.5 KB Created: 2021-04-03 23:38:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-23
MD5: a2b4f9e3c9613194e7614bdd8a2c21a8 SHA-1: adf7bf6583a0fc14f10efe0e7e8c91576145a842 SHA-256: daf769a1e3d9a169ef39fd850a42e45cd9440876d4287e89e9a1bd3d9bfaf6e0
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

This PDF document was flagged as malicious by an ML classifier. It uses a clipboard-command (paste-and-run) lure. The file presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9723

Heuristics 4

  • Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
    Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
  • 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/free-robux-promo-codes-2021-no-inspect PDF link annotation
    • http://www.boic.nl/images/kuso-ico-free-robux.pdf%0AIn PDF document text
    • http://www.jureclomas.com.ar/images/free-roblox-gea.pdf%0AIn PDF document text
    • https://www.abrapppe.org.br/images/cheat-roblox-avoir-de-largent.pdf%0AIn PDF document text
    • http://www.marambio.com.ar/images/how-to-ban-people-in-roblox-hack-2021.pdf%0AIn PDF document text
    • http://www.mikramarine.gr/images/free-robux-admin-code-pastebin.pdf%0AIn PDF document text
    • http://www.drent.se/images/hack-de-roblox-mad-city.pdf%0AIn PDF document text
    • http://www.eurosan1.ba/images/free-item-codes-roblox.pdf%0AIn PDF document text
    • https://www.utalii.ac.ke/images/free-robux-no-human-verification-2021-generator.pdf%0AIn PDF document text
    • https://www.osoc.com/images/free-roblox-card-codes-2021.pdf%0AIn PDF document text
    • https://estalagemmonteverde.com.br/images/roblox-free-robux-no-survey-no-save-no-subscription.pdf%0AIn PDF document text
    • http://www.tamogatoweb.hu/images/roblox-games-give-free-robux.pdf%0AIn PDF document text
    • http://www.sanjosedeminas.gob.ec/images/how-to-get-free-robux-real-2021.pdf%0AIn PDF document text
    • https://www.sitiwebjoomla.it/images/obc-hack-roblox-2021.pdf%0AIn PDF document text
    • http://www.pcclawyers.com.au/images/roblox-how-to-make-your-own-shirt-for-free.pdf%0AIn PDF document text
    • https://verdensbarn.no/images/roblox-use-the-cheats.pdf%0AIn PDF document text
    • http://zarinnameh.ir/images/cheat-engine-en-roblox.pdf%0AIn PDF document text
    • https://ballaratcaravans.com.au/images/claim-gg-free-robux-app-by-roblox.pdf%0AIn PDF document text
    • http://santjoandelesabadesses.cat/images/free-roblox-gift-card-codes-2021-not-used.pdf%0AIn PDF document text
    • https://meltonschool.org/images/free-roblox-games-for-kids.pdf%0AIn PDF document text
    • https://www.abrapppe.org.br/images/games-that-give-free-robux.pdf%0AIn PDF document text
    • https://www.lomrad.go.th/images/como-tener-robux-gratis-hack.pdf%0AIn PDF document text
    • http://www.lionel-seppoloni.fr/images/flame-gg-robux-free.pdf%0AIn PDF document text
    • http://www.agri-tech.com.au/images/https-www-roblox-com-free-robux.pdf%0AIn PDF document text
    • http://www.boic.nl/images/roblox-wall-hacks-for-mac.pdf%0AIn PDF document text
    • https://pa-waingapu.go.id/images/free-font-that-looks-like-roblox.pdf%0AIn PDF document text
    • http://www.lovecraftiana.com.ar/images/free-designs-for-streamers-roblox.pdf%0AIn PDF document text
    • https://consorziocsa-asicaivano.it/images/free-online-multiplayer-games-like-roblox.pdf%0AIn PDF document text
    • http://www.web.stc-part.co.th/images/how-to-hack-roblox-to-get-robux-2021.pdf%0AIn PDF document text
    • http://uptodate.az/images/roblox-lua-script-hacks.pdf%0AIn PDF document text
    • http://www.kalaaliaraq.dk/images/how-to-get-free-robux-on-iphone-2021.pdf%0AIn 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_off0000343f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x343F 19360 bytes
SHA-256: 5008dc4ba1a436be523f937f377f6ba920ae080206e634b62dd22a9a9b03360a
font_01_sfnt_off00005d38.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D38 19008 bytes
SHA-256: b419bb48071bff4274e4d1ebe7c7341a1c39ae7f0b9e206a34def19d49329e1f

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