Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2d19ab73b8602bc…

MALICIOUS

PDF

33.8 KB Created: 2021-07-06 15:02:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 2e19573fc02ccc48df4e623e6759d06a SHA-1: 2ca6615a472bd406ec96954958e4b9f95c702cbf SHA-256: e2d19ab73b8602bc7a46e4ee5a6470c5a2d4add28d763e3e32553a76d990f3ad
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains numerous links to external websites, many of which are SEO-optimized and promise free in-game currency or items for popular games like Roblox and Coin Master. The presence of a direct link to 'how-to-get-free-roebucks-in-roblox-game-hack' and the heuristic firing for a 'PDF_SEO_LINK_FARM' indicate a likely phishing or scam attempt. The document's content and structure suggest it's designed to drive traffic to potentially malicious or deceptive sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

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.tw/app/431946152/how-to-get-free-roebucks-in-roblox-game-hack
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/roblox-robux-hack-2021-no-verification_GM431946152.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/roblox-builders-club-free_GM431946152.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/freerobuxhack-us-2021_GM431946152.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/online-coin-master-free-spin-app_GM406889139.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/free-roblox-games-on-xbox-one_GM431946152.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/play-coin-master-online-free_GM406889139.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/free-robux-no-verification-no-download-2021_GM431946152.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/coin-master-free-spins-today-daily-links_GM406889139.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-without-downloading-any-apps_GM431946152.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/apps-to-get-free-robux_GM431946152.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-without-downloading-anything_GM431946152.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/cheat-code-money-for-roblox_GM431946152.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/archery-master-3d-apk-and-mod-free-download-unlimited-coins_GM406889139.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/free-robux-no-download_GM431946152.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/rape-simulator_GM431946152.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/free-roblox-followers_GM431946152.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/robux-free-gift-card_GM431946152.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/wewgaming-hack-roblox_GM431946152.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/free-robux-clothes_GM431946152.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/roblox-free-robux-by-join-groups_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002c93.bin
ca99fdb8c1dd5a6c379e07455c50e058aff57eeb211f17e99728b4dc1ad4124e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C93 22812 bytes
font_01_sfnt_off00005f01.bin
37f79c5bf97eb03d5d789a445bd386845bdf6e165897bd76903df78461253807		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F01 19228 bytes

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