Malicious PDF — malware analysis report

Static analysis result for SHA-256 08a82619958a59ee…

MALICIOUS

PDF

45.1 KB Created: 2021-06-08 12:32:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: e0dd0333857939cea467013f7f2578b9 SHA-1: d3145cc8a8615296309af680ca12ee106c5237dc SHA-256: 08a82619958a59ee697af5f63a2a55329095ed8cbc6f2a3d46f1e86b427bd977
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 SEO-optimized and point to gaming-related content, suggesting a link farm or phishing attempt. The presence of a download button lure further supports a malicious intent to redirect users to potentially harmful sites. While no scripts were explicitly extracted, the PDF structure and embedded URIs indicate a high likelihood of malicious redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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/broward-county-roblox-free-game-hack
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/how-to-get-free-robux-2021-no-human-verification_GM431946152.pdf
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/roblox-login-cheats_GM431946152.pdf
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/free-modded-minecraft-server_GM479516143.pdf
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/minecraft-bedrock-free-with-java_GM479516143.pdf
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/roblox-com-get-free-robux_GM431946152.pdf
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/how-do-you-get-robux-unlimited-free_GM431946152.pdf
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/click-delete-hack-roblox_GM431946152.pdf
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/roblox-followers-hack_GM431946152.pdf
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/how-to-get-a-shoulder-pet-on-roblox-for-free_GM431946152.pdf
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/how-can-i-get-free-spins-on-coin-master_GM406889139.pdf
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/best-free-gear-in-roblox_GM431946152.pdf
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/how-to-get-robux-for-free-2021_GM431946152.pdf
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/how-to-get-free-robux-on-roblox-hack-2021_GM431946152.pdf
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/how-to-get-free-robux-without-using-money_GM431946152.pdf
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/coin-master-free-spins-link-blogspot-2021_GM406889139.pdf
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/hack-robux-to-get-free-clouves_GM431946152.pdf
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/free-robux-2021-generator_GM431946152.pdf
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/how-to-hack-any-person-in-roblox_GM431946152.pdf
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/how-to-get-minecraft-for-free-on-pc_GM479516143.pdf
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/free-robux-kid-friendly-no-human-verification_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000526f.bin
9c3d916d502e9acbcc65fa9eb06076147a5f97c4361c2797de384babb4efe9a4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x526F 24952 bytes
font_01_sfnt_off00008ba7.bin
91758e3757b33311b2bc7f95c352e7d894768c0cd1b4d08b7e1a53f64d1a911d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8BA7 18936 bytes

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