Malicious PDF — malware analysis report

Static analysis result for SHA-256 90f2c2cc4664d5cd…

MALICIOUS

PDF

35.4 KB Created: 2021-06-22 04:17:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 0e804c8b6e652b9a644b2f011f579ada SHA-1: d46dee1c3b320885743c71f015a795c2f5a2f2a9 SHA-256: 90f2c2cc4664d5cdd072694984ff3b8119228c4e49314063b06895ba9cee0e79
102 Risk Score

Malware Insights

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

This PDF document exhibits characteristics of a malicious lure, specifically a link farm designed to redirect users to potentially harmful content. The document body and extracted URLs heavily promote 'Roblox hacks' and 'robux generators', directing users to download files from suspicious domains like netcdn.co. The presence of a large number of SEO-optimized PDF links hosted on intercraftgallery.com further indicates a coordinated effort to attract victims through search engines.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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.co/app/431946152/roblox-hack-download-for-game-card-code-generator-game-hack
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/wwwbandicamcom-hack-roblox_GM431946152.pdf
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/how-to-hack-rap-in-case-clicker-roblox_GM431946152.pdf
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/free-robux-no-human-verification-no-survey_GM431946152.pdf
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/synapse-free-download-for-roblox_GM431946152.pdf
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/robux-generator-robux-hack_GM431946152.pdf
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/is-minecraft-free-on-pc_GM479516143.pdf
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/hacks-to-get-free-robux_GM431946152.pdf
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/guess-that-song-cheat-sheet-roblox_GM431946152.pdf
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/cheat-codes-for-roblox-mad-city-cash_GM431946152.pdf
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/how-to-get-free-robux-for-free_GM431946152.pdf
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/roblox-free-robux-100-real_GM431946152.pdf
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/roblox-tower-of-hell-cheat_GM431946152.pdf
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/roblox-hack-with-winrar_GM431946152.pdf
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/hack-injector-roblox-granny_GM431946152.pdf
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/minecraft-com-free_GM479516143.pdf
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/coin-master-free-spins-and-coins-today-gift-reward_GM406889139.pdf
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/acuont-stealer-hack-roblox_GM431946152.pdf
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/roblox-free-robux-add-to-chrome_GM431946152.pdf
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/30-free-robux_GM431946152.pdf
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/free-robux-codes-not-used_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003021.bin
ee59c22090a55ccc67b3be978c0a022d78c89e1256c80c862cbc72ad90917739		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3021 22780 bytes
font_01_sfnt_off0000634c.bin
cabb77f00b7768ad26dcde03e0146085b45be422a410e42dad495f5032466d97		 pdf-font-stream PDF embedded font (sfnt) at offset 0x634C 19692 bytes

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