Malicious PDF — malware analysis report

Static analysis result for SHA-256 767d6d15a027b96b…

MALICIOUS

PDF

34.9 KB Created: 2021-06-27 23:32:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 923c357949ef71a26d71a5a1bd3ded60 SHA-1: c8d2263bbb9a238ef2f30e8ff833a3baa3cf05a6 SHA-256: 767d6d15a027b96baa555d9d2b071a60df718abc25fcf8f522ee69826a81e5a4
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 explicitly advertises hacks and cheats for popular games. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external links, suggesting a link farm designed to attract users searching for cheats. The primary URL http://netcdn.co/app/431946152/roblox-tycoon-money-hack-cheat-engine-game-hack likely serves as the download destination for the promised exploit.

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-tycoon-money-hack-cheat-engine-game-hack
    • https://pn-tapaktuan.go.id/pustaka/repository/cmaster-club-coin-master-hack_GM406889139.pdf
    • https://pn-tapaktuan.go.id/pustaka/repository/free-robux-by-watching-ads_GM431946152.pdf
    • https://pn-tapaktuan.go.id/pustaka/repository/orewards-com-free-robux_GM431946152.pdf
    • https://pn-tapaktuan.go.id/pustaka/repository/how-to-get-free-robux-ios-2021_GM431946152.pdf
    • https://pn-tapaktuan.go.id/pustaka/repository/how-to-get-free-robux-on-roblox_GM431946152.pdf
    • https://pn-tapaktuan.go.id/pustaka/repository/roblox-work-at-a-pizza-place-cheats_GM431946152.pdf
    • https://pn-tapaktuan.go.id/pustaka/repository/sad-outfits-that-are-free-in-roblox_GM431946152.pdf
    • https://pn-tapaktuan.go.id/pustaka/repository/coin-master-hacks-for-free-spins_GM406889139.pdf
    • https://pn-tapaktuan.go.id/pustaka/repository/coin-master-card-hack-2021_GM406889139.pdf
    • https://pn-tapaktuan.go.id/pustaka/repository/how-to-hack-into-ppls-account-on-roblox_GM431946152.pdf
    • https://pn-tapaktuan.go.id/pustaka/repository/coin-master-free-spins-no-human-verification_GM406889139.pdf
    • https://pn-tapaktuan.go.id/pustaka/repository/how-do-you-hack-minecraft_GM479516143.pdf
    • https://pn-tapaktuan.go.id/pustaka/repository/how-do-i-get-free-spins-on-coin-master_GM406889139.pdf
    • https://pn-tapaktuan.go.id/pustaka/repository/how-to-get-free-robux-without-password_GM431946152.pdf
    • https://pn-tapaktuan.go.id/pustaka/repository/free-premium-roblox_GM431946152.pdf
    • https://pn-tapaktuan.go.id/pustaka/repository/roblox-hack_GM431946152.pdf
    • https://pn-tapaktuan.go.id/pustaka/repository/pokemon-go-free-upgrade_GM1094591345.pdf
    • https://pn-tapaktuan.go.id/pustaka/repository/is-tiktok-free_GM835599320.pdf
    • https://pn-tapaktuan.go.id/pustaka/repository/www-roblox-com-free-clothes_GM431946152.pdf
    • https://pn-tapaktuan.go.id/pustaka/repository/coin-master-hack-spins-free_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003044.bin
80bf9896237fe581d209b629d2c08c8f39fc9e1cd6e03f1c43f46900ac477038		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3044 22528 bytes
font_01_sfnt_off00006281.bin
a0d33c6f5ff11b0f22652d80ad6f5706922037700772b637649235c885249aac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6281 19420 bytes

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