Malicious PDF — malware analysis report

Static analysis result for SHA-256 f00494d35f2af018…

MALICIOUS

PDF

43.1 KB Created: 2021-05-17 17:15:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: f46fb9d81e80913c6b6d51a332e660e9 SHA-1: 74913e143cb8649a2290b69fdda704e27cd5c30e SHA-256: f00494d35f2af018d5a18d0cfc5d62f860e38d638fb38f3e59bed1d6314ad039
82 Risk Score

Malware Insights

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

The PDF document contains a fake CAPTCHA lure, designed to trick users into clicking a link. The primary malicious URL, https://netcdn.xyz/app/479516143/free-minecraft-com-game-hack, is embedded within the document and likely leads to a malicious download. The document's content and heuristics strongly suggest a social engineering attack aimed at users seeking free game-related content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

Heuristics 4

  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • 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.xyz/app/479516143/free-minecraft-com-game-hack
    • https://knowledgekingdom.com.jo/aidata/blanc/files/roblox-people-girl_GM431946152.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/how-to-get-free-followers-on-roblox_GM431946152.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/coin-master-hack-apk-download-latest-version_GM406889139.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/easy-robux-generator_GM431946152.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/roblox-svg-free_GM431946152.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/free-robux-offers_GM431946152.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/wwwhaktutsin-2021-08-coinmasterfreespinandcoinlinkhtml-m-1_GM406889139.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/how-to-get-free-coins-on-coin-master-2021_GM406889139.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/minecraft-ore-finder-mod_GM479516143.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/how-to-hack-someones-roblox-account-2021_GM431946152.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/how-to-get-free-robux-fast_GM431946152.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/minecraft-java-free-download_GM479516143.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/how-to-get-unlimited-robux_GM431946152.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/50-000-free-spins-coin-master_GM406889139.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/free-robux-hacker-us_GM431946152.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/coin-master-hacks-to-get-spins_GM406889139.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/free-robux-now_GM431946152.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/coin-master-free-spins-link-today-new-2021_GM406889139.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/coin-master-hack-no-human-verification_GM406889139.pdf
    • https://knowledgekingdom.com.jo/aidata/blanc/files/best-free-minecraft-hacked-client_GM479516143.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004f9b.bin
42862c587159f7ae4565bf4fb684553c6fe40ef1ddcde0e9a2ad43418fa51566		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4F9B 24508 bytes
font_01_sfnt_off00008770.bin
1b4885c2af39899205e5d90bbae948db42423f4b52ef91d34878d66166ac5d9f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8770 17968 bytes

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