Malicious PDF — malware analysis report

Static analysis result for SHA-256 89dc67a207da3d1d…

MALICIOUS

PDF

28.7 KB Created: 2021-06-27 10:38:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 02d238c1ccbaf845470f7591680c439d SHA-1: 6dddc4bfb5f98604e4d40f93efb733b24b653e0d SHA-256: 89dc67a207da3d1d30b207da6cbc0c222a7c99a9f40b3fa1691a761e392611db
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains a large number of embedded links, identified as a 'PDF_SEO_LINK_FARM' heuristic. The document body and extracted URLs suggest a lure related to game hacks and cheats for popular games like Roblox and Coin Master. The primary URL, http://netcdn.co/app/431946152/app-hack-online-roblox-robux-game-hack, is likely the intended destination for users seeking these cheats, potentially leading to phishing or malware. No scripts were extracted, but the extensive link farm indicates a strong intent to redirect users to malicious sites.

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.co/app/431946152/app-hack-online-roblox-robux-game-hack
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/roblox-free-robux_GM431946152.pdf
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/minecraft-bedrock-edition-free_GM479516143.pdf
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/free-minecraft-coins_GM479516143.pdf
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-no-verification-2021_GM431946152.pdf
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/coin-master-hacks-for-iphone_GM406889139.pdf
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/get-free-robux-no-verification_GM431946152.pdf
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/download-roblox-mod-apk-hack_GM431946152.pdf
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-hack_GM431946152.pdf
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-2021-no-human-verification_GM431946152.pdf
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/can-u-hack-roblox-with-lucky-patcher_GM431946152.pdf
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/hack-coin-master-apk-32_GM406889139.pdf
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/free-robux-generator-2021-no-human-verification-or-survey_GM431946152.pdf
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/coin-master-free-spin-and-coin-links_GM406889139.pdf
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/how-to-get-2021-robux-for-free_GM431946152.pdf
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/free-coin-master-spins-and-coins_GM406889139.pdf
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/coin-master-hack-blog_GM406889139.pdf
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/coin-master-hack-2021-app-download_GM406889139.pdf
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/blox-pink-robux-free_GM431946152.pdf
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/coin-master-free-link-spin_GM406889139.pdf
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/robuxlove-net-free-robux_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000034e2.bin
adf8ae02b53fc7d277756fe080783e20872cc8a3d83438f2ecced5db6a344dfe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x34E2 22300 bytes

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