Malicious PDF — malware analysis report

Static analysis result for SHA-256 fdb2f61778003bc1…

MALICIOUS

PDF

46.1 KB Created: 2021-04-05 17:42:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-23
MD5: e52b1a96cb92d30021f1c027144d215d SHA-1: 4d10ed7f504758ccd75536a7ee5db7451615891e SHA-256: fdb2f61778003bc1ae4a7b2af1bf9f4cd36e7b249e6dedfa2ad77bb89cc7aebf
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document was flagged as malicious by an ML classifier. It uses a LOLBin command-execution 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 0.9580

Heuristics 4

  • LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
    Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
  • 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/roblox-admin-commands-hack-download PDF link annotation
    • http://badboybiteaway.de/images/can-simeone-hack-your-roblox-account-theough-discord.pdfIn PDF document text
    • https://www.wadowice24.pl/images/roblox-script-hack-download.pdfIn PDF document text
    • http://laplazuelacafe.com/images/best-free-roblox-outfits-2021.pdfIn PDF document text
    • http://sports-service.com/images/roblox-veil-hack.pdfIn PDF document text
    • http://korporacjaroma.pl/images/how-to-get-free-stuff-on-roblox-catalog-2021.pdfIn PDF document text
    • https://www.najeebqasmi.com/images/good-free-roblox-outfits.pdfIn PDF document text
    • http://lechia-sedziszow.pl/images/free-robux-card-codes-2021.pdfIn PDF document text
    • http://ims-77.fr/images/roblox-cheats-november-2021-dll.pdfIn PDF document text
    • https://fkg.usu.ac.id/images/free-roblox-accounts-2021-june.pdfIn PDF document text
    • http://hindicenter.com/images/how-to-hack-roblox-accounts-with-cmd.pdfIn PDF document text
    • http://genialica.de/images/roblox-r45-hack.pdfIn macro / runtime command snippet
    • http://fotoclub3b.it/images/roblox-phantom-forces-pepsis-aimbot-hack.pdfIn PDF document text
    • http://beagles-of-harmony.de/images/get-free-roblox-hats.pdfIn macro / runtime command snippet
    • http://livebybuddhism.org/images/island-royale-roblox-hack-esp.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/free-robux-only-today-ad.pdfIn PDF document text
    • https://enpav.it/images/cheats-and-codes-for-snow-shoveling-simulator-roblox-pc.pdfIn PDF document text
    • http://sports-service.com/images/how-to-change-roblox-name-free.pdfIn PDF document text
    • https://gabrieliassociati.com/images/how-to-get-free-robux-2021-mac.pdfIn PDF document text
    • https://www.cosmosdawn.net/images/how-to-get-the-doge-package-for-free-roblox.pdfIn PDF document text
    • https://www.ukrtrans.biz/images/how-to-hack-assassin-roblox-2021.pdfIn PDF document text
    • http://www.kalaaliaraq.dk/images/roblox-has-been-hacked.pdfIn PDF document text
    • https://www.hofe-gmbh.de/images/roblox-hack-engine-for-robux.pdfIn PDF document text
    • http://ohsawamacrobiotics.com/images/roblox-jailbreak-free-cars-sccript.pdfIn PDF document text
    • http://clubpure.org/images/teleport-hack-roblox.pdfIn PDF document text
    • https://www.manmed.info:443/images/how-to-get-money-in-roblox-for-free-ipad.pdfIn PDF document text
    • http://korporacjaroma.pl/images/free-robux-leggit.pdfIn PDF document text
    • http://www.cuniv-naama.dz/images/free-roblox-card-codes-not-used-2021.pdfIn PDF document text
    • http://mnp-realty.ru/images/free-jake-paul-merch-roblox.pdfIn PDF document text
    • http://horsa18.ru/images/free-roblox-catalog-buyer-bot.pdfIn PDF document text
    • http://yochin.org.tw/images/free-bird-in-roblox.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_off00005bf8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5BF8 23384 bytes
SHA-256: 99e73d075f27dfe61fbb7b640ac0321caad51f19fdf9030df6d3f53a033237c7
font_01_sfnt_off00009098.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9098 18508 bytes
SHA-256: 2ffb47a24076c2054e4b7f298d4b45813b8818f8af5f0d095f39ef49c60e7400

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