Malicious PDF — malware analysis report

Static analysis result for SHA-256 2801cacd1a54a471…

MALICIOUS

PDF

29.0 KB Created: 2021-07-04 16:17:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 6e1e9f86f097cea552144ed2c39109d4 SHA-1: b4c6a033cfd8c78bda81654629ed5ff949c53c3b SHA-256: 2801cacd1a54a4714fee3e4be35bb5d05f44b26c51620ce86a068b5dffc8b654
94 Risk Score

Malware Insights

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

The PDF contains numerous links to external websites, many of which are structured as SEO-optimized PDF links. These links lead to pages offering game hacks and cheats, indicating a lure for users to download potentially malicious content. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9988

Heuristics 3

  • 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.
  • 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/robux-hack-me-game-hack
    • http://e.mandacianjur.sch.id/__statics/gudangsoal/files/tp-hack-roblox-execute-command_GM431946152.pdf
    • http://e.mandacianjur.sch.id/__statics/gudangsoal/files/coin-master-hacks-for-pet-food_GM406889139.pdf
    • http://e.mandacianjur.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-without-human-verification-2021_GM431946152.pdf
    • http://e.mandacianjur.sch.id/__statics/gudangsoal/files/minecraft-hacked-apk_GM479516143.pdf
    • http://e.mandacianjur.sch.id/__statics/gudangsoal/files/roblox-money-cheat_GM431946152.pdf
    • http://e.mandacianjur.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-games_GM431946152.pdf
    • http://e.mandacianjur.sch.id/__statics/gudangsoal/files/coin-master-hack-version-download-2021_GM406889139.pdf
    • http://e.mandacianjur.sch.id/__statics/gudangsoal/files/free-coin-master-spins-and-coins_GM406889139.pdf
    • http://e.mandacianjur.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-aiden_GM431946152.pdf
    • http://e.mandacianjur.sch.id/__statics/gudangsoal/files/coin-master-free-generator_GM406889139.pdf
    • http://e.mandacianjur.sch.id/__statics/gudangsoal/files/free-roblox-accounts-with-builders-club_GM431946152.pdf
    • http://e.mandacianjur.sch.id/__statics/gudangsoal/files/free-robux-pastebin-code_GM431946152.pdf
    • http://e.mandacianjur.sch.id/__statics/gudangsoal/files/roblox-how-to-change-your-name-for-free-2021_GM431946152.pdf
    • http://e.mandacianjur.sch.id/__statics/gudangsoal/files/robux-place-rewards_GM431946152.pdf
    • http://e.mandacianjur.sch.id/__statics/gudangsoal/files/coin-master-hack-version-33-2_GM406889139.pdf
    • http://e.mandacianjur.sch.id/__statics/gudangsoal/files/apps-to-hack-coin-master_GM406889139.pdf
    • http://e.mandacianjur.sch.id/__statics/gudangsoal/files/free-download-roblox-unlimited-robux_GM431946152.pdf
    • http://e.mandacianjur.sch.id/__statics/gudangsoal/files/websites-that-give-you-free-robux_GM431946152.pdf
    • http://e.mandacianjur.sch.id/__statics/gudangsoal/files/how-to-get-free-shields-on-coin-master_GM406889139.pdf
    • http://e.mandacianjur.sch.id/__statics/gudangsoal/files/minecraft-free-download-pc_GM479516143.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000308f.bin
76cbcd7fc3903fa62c10beea26485b11e3766cd4fde4e516cc198ac8023d03e0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x308F 22152 bytes

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