Malicious PDF — malware analysis report

Static analysis result for SHA-256 f6837e02bbd6d3f4…

MALICIOUS

PDF

34.8 KB Created: 2021-06-29 09:20:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 775668db1d7b357218b81e60cfba2691 SHA-1: 02de4bb6f8a3d81d8159d7095b21e1f8d94bf046 SHA-256: f6837e02bbd6d3f4775eb47b2929b18436ee4bda3d7f2c54ec2736f608a487c1
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains numerous embedded URLs and a document body that promotes 'Roblox Robux Hack' tools and other game cheats. This indicates a likely attempt to trick users into visiting malicious sites or downloading malware under the guise of game-related utilities. The PDF_SEO_LINK_FARM heuristic further suggests a large number of links pointing to potentially harmful 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.co/app/431946152/roblox-robux-hack-online-genorator-tool-game-hack
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/free-roblox-promo-codes-for-robux-2021_GM431946152.pdf
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/how-to-get-free-robux-easy-hack_GM431946152.pdf
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/roblox-any-gamepass-for-free_GM431946152.pdf
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/where-can-i-get-free-spins-for-coin-master_GM406889139.pdf
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/roblox-jailbreak-hack-teleport-download_GM431946152.pdf
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/roblox-free-prizes_GM431946152.pdf
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/coin-master-hack-root_GM406889139.pdf
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/is-pokemon-go-a-free-app_GM1094591345.pdf
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/free-robux-logo_GM431946152.pdf
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/roblox-hack-com_GM431946152.pdf
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/roblox-robux-hack-february-2021-pastebin_GM431946152.pdf
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/free-robux-generator_GM431946152.pdf
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/free-exploits-for-roblox_GM431946152.pdf
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/can-people-actually-hack-into-a-roblox-account_GM431946152.pdf
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/how-to-hack-in-roblox-games-2021_GM431946152.pdf
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/free-coin-master-spins-link-facebook_GM406889139.pdf
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/free-coins-coin-master-link_GM406889139.pdf
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/free-robux-2021-no-human-verification_GM431946152.pdf
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/coin-master-free-coins-today_GM406889139.pdf
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/how-to-hack-into-roblox-and-get-builders-club_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003061.bin
c2d3a20f479971373afb6699dc19f014c294af5e8db06e9758baf0d11b83dd1b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3061 22596 bytes
font_01_sfnt_off00006313.bin
d5372d52421eca7b9f385475707bbd99f6a20a9f934e00b08d69f6878fe7fc52		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6313 19020 bytes

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