Malicious PDF — malware analysis report

Static analysis result for SHA-256 e209ecb6e0c83fbc…

MALICIOUS

PDF

34.1 KB Created: 2021-06-19 16:36:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 11401420bd453d1b6c90879a12270299 SHA-1: ea4d3a87a2839a20baee243a249c2f482fcf59f1 SHA-256: e209ecb6e0c83fbc4546d8b38971a477762eb2010553d936704cc12870535896
102 Risk Score

Malware Insights

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

This PDF document contains a large number of external links, many of which are SEO-optimized and point to pages offering game cheats and hacks. The document body explicitly mentions 'How To Get Free Robux' and includes a URL that appears to be a download link for such a tool. This suggests the document is designed to trick users into downloading malware or visiting malicious sites under the guise of providing game advantages.

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.co/app/431946152/how-to-get-free-robux-using-rblx-gg-game-hack
    • https://unsla.uns.ac.id:443/pgsd/repository/roblox-hacks-and-cheats-for-robux_GM431946152.pdf
    • https://unsla.uns.ac.id:443/pgsd/repository/coin-master-links-free-spins_GM406889139.pdf
    • https://unsla.uns.ac.id:443/pgsd/repository/free-robux-hack-generator_GM431946152.pdf
    • https://unsla.uns.ac.id:443/pgsd/repository/how-to-hack-a-roblox-character_GM431946152.pdf
    • https://unsla.uns.ac.id:443/pgsd/repository/how-to-get-free-robux-2021_GM431946152.pdf
    • https://unsla.uns.ac.id:443/pgsd/repository/how-to-get-100-000-robux-on-roblox-for-free_GM431946152.pdf
    • https://unsla.uns.ac.id:443/pgsd/repository/can-you-get-minecraft-for-free_GM479516143.pdf
    • https://unsla.uns.ac.id:443/pgsd/repository/wwwcoin-master-hack-game-download_GM406889139.pdf
    • https://unsla.uns.ac.id:443/pgsd/repository/roblox-website-robux_GM431946152.pdf
    • https://unsla.uns.ac.id:443/pgsd/repository/was-minecraft-ever-free_GM479516143.pdf
    • https://unsla.uns.ac.id:443/pgsd/repository/mcpe-master-unlimited-coins-hack-apk_GM406889139.pdf
    • https://unsla.uns.ac.id:443/pgsd/repository/simple-ways-to-get-robux-for-free_GM431946152.pdf
    • https://unsla.uns.ac.id:443/pgsd/repository/coin-master-free-coins-and-spins_GM406889139.pdf
    • https://unsla.uns.ac.id:443/pgsd/repository/free-robux-generator-no-human-verification_GM431946152.pdf
    • https://unsla.uns.ac.id:443/pgsd/repository/tiktok-free-2021-likes_GM835599320.pdf
    • https://unsla.uns.ac.id:443/pgsd/repository/free-robux-2021-febuary_GM431946152.pdf
    • https://unsla.uns.ac.id:443/pgsd/repository/free-roblox-accounts-with-robux-2021_GM431946152.pdf
    • https://unsla.uns.ac.id:443/pgsd/repository/robux-hacks-2021_GM431946152.pdf
    • https://unsla.uns.ac.id:443/pgsd/repository/robuxy-com-free-robux_GM431946152.pdf
    • https://unsla.uns.ac.id:443/pgsd/repository/who-hack-in-roblox_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f2b.bin
645d7d8e63f837c5b717db3fedce42825261ba68df7554b85642ab1bfda605da		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2F2B 21960 bytes
font_01_sfnt_off00005fa3.bin
0b4f203e135b5db61b303bbf9862136c3ba9b8635ece446fc09dce44363c893e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5FA3 19180 bytes

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