Malicious PDF — malware analysis report

Static analysis result for SHA-256 c0c462bd23458309…

MALICIOUS

PDF

35.5 KB Created: 2021-07-08 05:40:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: b3d8a7c407a3584aa60872ddbfd5a265 SHA-1: d376d5fd405e044c693b5148e381be6694b1120f SHA-256: c0c462bd23458309bbd8cca0254e3377997f2ada288e061d073b9f6ebf8eff98
102 Risk Score

Malware Insights

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

This PDF document contains numerous links to external websites, many of which are hosted on domains suggesting game hacks and cheats. The document body explicitly mentions 'Roblox Download' and includes a URL pointing to 'roblox-download-game-hack', indicating a lure for users seeking unauthorized software. The presence of a large number of external links, many with numeric slugs, suggests a link farm designed to attract traffic for malicious downloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://netcdn.tw/app/431946152/roblox-download-game-hack
    • https://adventureglaciertreks.com/userfiles/files/coin-master-32-hack-apk_GM406889139.pdf
    • https://adventureglaciertreks.com/userfiles/files/minecraft-app-store-free_GM479516143.pdf
    • https://adventureglaciertreks.com/userfiles/files/how-to-get-a-free-dominus-in-roblox_GM431946152.pdf
    • https://adventureglaciertreks.com/userfiles/files/coin-free-master_GM406889139.pdf
    • https://adventureglaciertreks.com/userfiles/files/free-robux-generator-no-human-verification_GM431946152.pdf
    • https://adventureglaciertreks.com/userfiles/files/how-do-you-get-free-robux_GM431946152.pdf
    • https://adventureglaciertreks.com/userfiles/files/http-appsmob-info-coin-master-hack_GM406889139.pdf
    • https://adventureglaciertreks.com/userfiles/files/comment-hack-un-compte-roblox-2021_GM431946152.pdf
    • https://adventureglaciertreks.com/userfiles/files/coin-master-free-spins-link-blogspot_GM406889139.pdf
    • https://adventureglaciertreks.com/userfiles/files/oprewards-com-roblox_GM431946152.pdf
    • https://adventureglaciertreks.com/userfiles/files/robux-hack-no-human-verification_GM431946152.pdf
    • https://adventureglaciertreks.com/userfiles/files/how-to-get-free-coins-on-coin-master-hack_GM406889139.pdf
    • https://adventureglaciertreks.com/userfiles/files/daily-coin-master-free-spin-link-facebook_GM406889139.pdf
    • https://adventureglaciertreks.com/userfiles/files/minecraft-hacks_GM479516143.pdf
    • https://adventureglaciertreks.com/userfiles/files/roblox-studio-dont-mess-with-me-i-hack-your-place_GM431946152.pdf
    • https://adventureglaciertreks.com/userfiles/files/how-to-change-name-in-roblox-for-free-2021_GM431946152.pdf
    • https://adventureglaciertreks.com/userfiles/files/coin-master-free-coins-and-spins-link-2021_GM406889139.pdf
    • https://adventureglaciertreks.com/userfiles/files/how-to-get-a-free-seer-in-roblox-mm2_GM431946152.pdf
    • https://adventureglaciertreks.com/userfiles/files/minecraft-tower-defense-hacked_GM479516143.pdf
    • https://adventureglaciertreks.com/userfiles/files/coin-master-free-spins-blogspot_GM406889139.pdf
    • https://www.roblox.com/.I
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003328.bin
ef58928a323f01d71235763d92e72b33d39de51275130071821fde02476842bc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3328 22652 bytes
font_01_sfnt_off00006594.bin
42498b2248152e2d1ea08a4c56450afe296108018df271c09413f6b867f34853		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6594 18992 bytes

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