Malicious PDF — malware analysis report

Static analysis result for SHA-256 daa5bbe2894dd119…

MALICIOUS

PDF

43.1 KB Created: 2021-05-14 01:49:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 7bdc979f84fdee4b7c211c93db1e9ff1 SHA-1: 292ca6ae80cee9926e51fa32c8281e637a1a9b9d SHA-256: daa5bbe2894dd1198a788de566bef1d92b93523e2d2ab6d26328ffb35155554d
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains a lure for free virtual currency, directing users to a suspicious URL. The ML classifier strongly indicates maliciousness, and the presence of a 'download button' heuristic suggests a user-driven download attempt. The document's content and embedded URL point towards a phishing or malware distribution scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

Heuristics 4

  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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 https://netcdn.xyz/app/431946152/how-to-get-free-robux-without-downloading-any-apps-game-hack
    • http://wadimor.co.id/media/imagesfiles/get-free-cards-in-coin-master_GM406889139.pdf
    • http://wadimor.co.id/media/imagesfiles/code-free-robux_GM431946152.pdf
    • http://wadimor.co.id/media/imagesfiles/how-to-get-free-robux-on-phone-2021_GM431946152.pdf
    • http://wadimor.co.id/media/imagesfiles/how-to-make-free-robux_GM431946152.pdf
    • http://wadimor.co.id/media/imagesfiles/how-to-get-free-robux-2021_GM431946152.pdf
    • http://wadimor.co.id/media/imagesfiles/roblox-mobile-hack_GM431946152.pdf
    • http://wadimor.co.id/media/imagesfiles/coin-master-free-spins-link-june-2021_GM406889139.pdf
    • http://wadimor.co.id/media/imagesfiles/free-minecraft-videos_GM479516143.pdf
    • http://wadimor.co.id/media/imagesfiles/coin-master-cheats-for-free-spins_GM406889139.pdf
    • http://wadimor.co.id/media/imagesfiles/robux-free-robux_GM431946152.pdf
    • http://wadimor.co.id/media/imagesfiles/how-to-hack-roblox-to-get-free-robux_GM431946152.pdf
    • http://wadimor.co.id/media/imagesfiles/rblx-city-free-robux_GM431946152.pdf
    • http://wadimor.co.id/media/imagesfiles/how-to-get-free-roebucks_GM431946152.pdf
    • http://wadimor.co.id/media/imagesfiles/how-to-get-free-robux-codes-2021_GM431946152.pdf
    • http://wadimor.co.id/media/imagesfiles/free-robux-promo-codes_GM431946152.pdf
    • http://wadimor.co.id/media/imagesfiles/mine-minecraft-games-for-free_GM479516143.pdf
    • http://wadimor.co.id/media/imagesfiles/actual-free-robux_GM431946152.pdf
    • http://wadimor.co.id/media/imagesfiles/lazyblocks-com-robux_GM431946152.pdf
    • http://wadimor.co.id/media/imagesfiles/coin-master-daily-free-spins-link-today-2021_GM406889139.pdf
    • http://wadimor.co.id/media/imagesfiles/bloxawards-com-earn-free-robux_GM431946152.pdf
    • https://www.bandicam.com
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004861.bin
9df72fa0c430b9c547c3a8a7ebd06bb1c68be52c43ea8d5b1832944b3425d1c9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4861 25584 bytes
font_01_sfnt_off000080ea.bin
8d2cd2d3261d4f1366ff21e32ca456c14b5c97578eb3db8f52c6d359382ee2b6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x80EA 20052 bytes

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