Malicious PDF — malware analysis report

Static analysis result for SHA-256 293b2af4c0e03ed4…

MALICIOUS

PDF

35.2 KB Created: 2021-06-22 15:44:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: c69f501ac2892829c1b674e7e88a07e5 SHA-1: d51c1e603c4984221f9f7317a8d392eda70bd8c2 SHA-256: 293b2af4c0e03ed42583ad6b6acc6dfd47eb6a83fda9caffb71980c744fc4d23
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites, many of which are hosted on `knowledgekingdom.com.jo` and appear to be part of a link farm designed to attract users searching for game cheats and hacks. The presence of a direct download URL and the ML classifier's high confidence score indicate a malicious intent to distribute potentially harmful files. The document body, though partially garbled, contains references to game hacks and a download URL, reinforcing the lure-based attack pattern.

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/free-clothing-items-on-roblox-game-hack
    • https://knowledgekingdom.com.jo/aidata/blanc/files/roblox-project-lazarus-zombies-hack-script_GM431946152.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/how-to-get-cheap-pubg-uc_GM1330123889.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/coin-master-hack-online-download_GM406889139.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/free-robux-obby-link_GM431946152.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/how-to-hack-people-in-roblox_GM431946152.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/hack-speed-roblox_GM431946152.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/how-to-get-free-robux-on-windows-10_GM431946152.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/coin-master-free-spins-link-download-hack_GM406889139.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/claim-coin-master-free-spins_GM406889139.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/minecraft-online-free-no-download_GM479516143.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/free-gfx-roblox_GM431946152.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/coin-master-hack-trick-2021_GM406889139.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/show-me-how-to-get-free-robux_GM431946152.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/free-robux-promo-codes_GM431946152.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/easy-points-gg_GM431946152.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/coin-master-hack-no-verify_GM406889139.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/instal-cheat-roblox-adopt-me_GM431946152.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/coin-master-hacks-to-get-spins_GM406889139.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/how-do-you-download-minecraft-for-free_GM479516143.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/free-spins-on-coin-master-iphone_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000031bb.bin
1cfe40df8a5f85d0ef50529356b2b7f5ed6e0ffab66c0c5d4822a14a6eda7241		 pdf-font-stream PDF embedded font (sfnt) at offset 0x31BB 22596 bytes
font_01_sfnt_off0000640d.bin
842a433303f81b64888b3c1d734da9384928d193f8fc0e6e042c351aec4963bc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x640D 19300 bytes

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