Malicious PDF — malware analysis report

Static analysis result for SHA-256 698f75ba5d6444ac…

MALICIOUS

PDF

34.6 KB Created: 2021-06-27 22:06:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 414fde4a25c9a870ea6fbc7b4b749dcc SHA-1: 391738eaaed0db84016c178486305cd8ab5d4520 SHA-256: 698f75ba5d6444ac1d148c821ca94898eddb07e2d2ea90e68d0faf33f2df43d6
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites, many of which are hosted on a domain associated with SEO link farming and promise cheats or free items for popular games. The ML classifier strongly indicated maliciousness, and the presence of embedded URLs and a call-to-action button lure further support a phishing or malware distribution attempt. The document's content and structure suggest it is designed to trick users into visiting malicious sites.

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/835599320/how-to-get-free-tiktok-fans-game-hack
    • https://katalog.smkn1glagah.sch.id/repository/faztokens-hack-the-pizzaria-roleplay-remastered-roblox_GM431946152.pdf
    • https://katalog.smkn1glagah.sch.id/repository/get-roblox-items-free-chrome-addon_GM431946152.pdf
    • https://katalog.smkn1glagah.sch.id/repository/roblox-creepy-elevator-hack-script_GM431946152.pdf
    • https://katalog.smkn1glagah.sch.id/repository/roblox-mad-city-hack-rank_GM431946152.pdf
    • https://katalog.smkn1glagah.sch.id/repository/get-free-spins-for-coin-master_GM406889139.pdf
    • https://katalog.smkn1glagah.sch.id/repository/roblox-jailbreak-hacker-transparent_GM431946152.pdf
    • https://katalog.smkn1glagah.sch.id/repository/deadly-sins-retribution-release-script-roblox-hack_GM431946152.pdf
    • https://katalog.smkn1glagah.sch.id/repository/free-robux-no-human-verify_GM431946152.pdf
    • https://katalog.smkn1glagah.sch.id//repository/how-to-get-free-robux-without-downloading-any-apps_GM431946152.pdf
    • https://katalog.smkn1glagah.sch.id/repository/minecraft-free-online-unblocked_GM479516143.pdf
    • https://katalog.smkn1glagah.sch.id/repository/how-to-get-free-robux-2021-no-hack_GM431946152.pdf
    • https://katalog.smkn1glagah.sch.id/repository/free-robux-quiz_GM431946152.pdf
    • https://katalog.smkn1glagah.sch.id//repository/what-games-on-roblox-give-you-free-robux_GM431946152.pdf
    • https://katalog.smkn1glagah.sch.id/repository/robux-com-free_GM431946152.pdf
    • https://katalog.smkn1glagah.sch.id/repository/coin-master-daily-free-spins-link-haktuts_GM406889139.pdf
    • https://katalog.smkn1glagah.sch.id/repository/coin-master-bonus_GM406889139.pdf
    • https://katalog.smkn1glagah.sch.id/repository/robux-redeem_GM431946152.pdf
    • https://katalog.smkn1glagah.sch.id/repository/how-to-get-free-followers-on-tiktok_GM835599320.pdf
    • https://katalog.smkn1glagah.sch.id/repository/download-minecraft-free-hiapphere_GM479516143.pdf
    • https://katalog.smkn1glagah.sch.id/repository/how-to-hack-project-pokemon-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_off000032d7.bin
02e4557e8e0ce9dc543d3b6e206c73f5c5d772d77f4e402234e1a32fea008481		 pdf-font-stream PDF embedded font (sfnt) at offset 0x32D7 22444 bytes
font_01_sfnt_off000064d3.bin
222eb08edeedde1689b759aacda99c23c4abb9fb81db3950380ec99717b0bd03		 pdf-font-stream PDF embedded font (sfnt) at offset 0x64D3 18136 bytes

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