Malicious PDF — malware analysis report

Static analysis result for SHA-256 8267b96740f8e740…

MALICIOUS

PDF

45.3 KB Created: 2021-06-09 01:31:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 3e2aa10539502a0654f246ac2a0122a7 SHA-1: 709b6b36736484401e599beb859424dc8d8349e0 SHA-256: 8267b96740f8e740dbfe4bc4de95cf9eb31ef366b044fa66a4d53ab336c3a43e
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains a large number of external links, many of which are disguised as download links for popular games or cheats. The document body explicitly mentions 'Roblox Hack To Get On Accont' and includes a URL pointing to a similar exploit. The presence of numerous SEO-optimized PDF links suggests an attempt to drive traffic to potentially malicious sites, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

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 https://netcdn.tw/app/431946152/roblox-hack-to-get-on-accont-game-hack
    • http://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/minecraft-free-download-mac_GM479516143.pdf
    • http://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/free-coin-master-coins-and-spins_GM406889139.pdf
    • http://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/free-coins--spins-coin-master_GM406889139.pdf
    • http://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/free-tiktok-followers-no-human-verification-or-survey-2021_GM835599320.pdf
    • https://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-deutsch-ios_GM406889139.pdf
    • https://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/minecraft-beta-free_GM479516143.pdf
    • http://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/how-to-get-robux-for-free-2021_GM431946152.pdf
    • https://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/how-to-get-minecraft-for-free-on-iphone_GM479516143.pdf
    • http://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/free-robux-thumbnail_GM431946152.pdf
    • http://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/free-tiktok-comments_GM835599320.pdf
    • http://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/minecraft-cracked-client_GM479516143.pdf
    • https://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/coin-master-hack-apk-33-download_GM406889139.pdf
    • https://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/free-minecraft-severs_GM479516143.pdf
    • https://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/free-tiktok-followers-quick_GM835599320.pdf
    • https://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/free-robux-just-click_GM431946152.pdf
    • http://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/how-to-earn-robux-on-roblox_GM431946152.pdf
    • http://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/is-minecraft-free-on-nintendo-switch_GM479516143.pdf
    • http://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/coin-master-free-2021-spin-link_GM406889139.pdf
    • https://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/coin-master-hack-online-generator_GM406889139.pdf
    • https://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/coin-master-free-coin-and-spin-app_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off0000515e.bin
910218fcb77b1f16403a502a11dfd860d135f4c393e3d6a36e2edb3d599863d2		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x515E 26704 bytes
font_01_sfnt_off00008e74.bin
a8b94a7e19d37c82460e734d94d78f6d20344c039597397962b4ff8bd2a69ad3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8E74 18284 bytes

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