Malicious PDF — malware analysis report

Static analysis result for SHA-256 94b0635928d8064f…

MALICIOUS

PDF

34.0 KB Created: 2021-07-03 15:41:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: c5f0edde075965f223350f0bcb6bda45 SHA-1: 2cf759ba677c2c0b8565a1577d11be0807826f4a SHA-256: 94b0635928d8064fd8ed864346c2dec9b7e325c0541cce805b9106913789cd2d
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains numerous embedded URLs and a document body that promises a 'Free Robux Generator for Roblox 2021'. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external links, suggesting a link farm designed to drive traffic to potentially malicious sites. The ML classifier also flagged this PDF as malicious. The primary attack pattern involves luring users with a game-related scam to download or visit malicious content.

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/free-robux-generator-for-roblox-2021-game-hack
    • http://sdn4-wates.sch.id/akasia/repository/roblox-work-at-a-pizza-place-moneyz-cheat_GM431946152.pdf
    • http://sdn4-wates.sch.id/akasia/repository/how-to-win-free-robux_GM431946152.pdf
    • http://sdn4-wates.sch.id/akasia/repository/roblox-health-hack-cheat-engine_GM431946152.pdf
    • http://sdn4-wates.sch.id/akasia/repository/free-minecraft-printables_GM479516143.pdf
    • http://sdn4-wates.sch.id/akasia/repository/best-free-to-play-tower-defense-games-on-roblox_GM431946152.pdf
    • http://sdn4-wates.sch.id/akasia/repository/roblox-robux-hack-generator_GM431946152.pdf
    • http://sdn4-wates.sch.id/akasia/repository/royal-high-school-roblox-how-to-gwet-free-mony_GM431946152.pdf
    • http://sdn4-wates.sch.id/akasia/repository/play-games-for-robux_GM431946152.pdf
    • http://sdn4-wates.sch.id/akasia/repository/hgow-to-get-free-robux_GM431946152.pdf
    • http://sdn4-wates.sch.id/akasia/repository/btools-hack-roblox-prison-life_GM431946152.pdf
    • http://sdn4-wates.sch.id/akasia/repository/how-to-get-free-robux-without-verification-2021_GM431946152.pdf
    • http://sdn4-wates.sch.id/akasia/repository/free-robux-generator-for-roblox-2021_GM431946152.pdf
    • http://sdn4-wates.sch.id/akasia/repository/draw-it-hack-roblox_GM431946152.pdf
    • http://sdn4-wates.sch.id/akasia/repository/roblox-hacks-for-ninja-legends_GM431946152.pdf
    • http://sdn4-wates.sch.id/akasia/repository/how-to-get-free-skins-on-coin-master_GM406889139.pdf
    • http://sdn4-wates.sch.id/akasia/repository/roblox-phantom-forces-hack_GM431946152.pdf
    • http://sdn4-wates.sch.id/akasia/repository/how-to-log-out-of-coin-master_GM406889139.pdf
    • http://sdn4-wates.sch.id/akasia/repository/coin-master-free_GM406889139.pdf
    • http://sdn4-wates.sch.id/akasia/repository/how-many-levels-in-coin-master_GM406889139.pdf
    • http://sdn4-wates.sch.id/akasia/repository/noclip-cheat-engine-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_off00002e49.bin
f6ba9b04d480f5e099289212f79187dc8117a7e71f95811e0b8d1d60dab1b0a6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2E49 21964 bytes
font_01_sfnt_off00005ef3.bin
1c5b5ef18537994d2b9d4bcfadda653dfd61b801510ea22c778e1317dc9212ff		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5EF3 19296 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.