Malicious PDF — malware analysis report

Static analysis result for SHA-256 4ee216d05cf2afb9…

MALICIOUS

PDF

48.3 KB Created: 2021-05-19 12:43:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 34d090864c9fbf6f7ed5286cc4fbff55 SHA-1: a85f79a1bfcd32377155ef0bb96d44bfef17b6b0 SHA-256: 4ee216d05cf2afb9d16283206ba702164cdc60d50a6f33dcfb39a41b6d4b365e
102 Risk Score

Malware Insights

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

The PDF document contains numerous embedded links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to websites offering game hacks and cheats. The primary URL, 'https://netcdn.xyz/app/431946152/how-to-hack-any-roblox-account-game-hack', and many others hosted on 'fabianslaw.org' suggest a link farm designed to attract users seeking exploits. The presence of a 'Visual download / call-to-action button lure' heuristic further supports the malicious intent of directing users to external, potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9013

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.xyz/app/431946152/how-to-hack-any-roblox-account-game-hack
    • http://fabianslaw.org/images/coin-master-link_GM406889139.pdf
    • http://fabianslaw.org/images/minecraft-windows-10-free-with-java_GM479516143.pdf
    • http://fabianslaw.org/images/what-is-coin-master-app_GM406889139.pdf
    • http://fabianslaw.org/images/coin-master-game-android-free-download_GM406889139.pdf
    • http://fabianslaw.org/images/coin-master-free-spins-blogspot_GM406889139.pdf
    • http://fabianslaw.org/images/robloxmatchcom-free-robux_GM431946152.pdf
    • http://fabianslaw.org/images/roblox-free-login_GM431946152.pdf
    • http://fabianslaw.org/images/how-to-get-free-spins-on-coin-master-android_GM406889139.pdf
    • http://fabianslaw.org/images/como-generar-coin-master-free-spins_GM406889139.pdf
    • http://fabianslaw.org/images/coin-master-free-spins-link-download-free_GM406889139.pdf
    • http://fabianslaw.org/images/coin-master-heaven-free-spins_GM406889139.pdf
    • http://fabianslaw.org/images/how-do-i-get-free-coins-in-coin-master_GM406889139.pdf
    • http://fabianslaw.org/images/prison-life-roblox-hacks_GM431946152.pdf
    • http://fabianslaw.org/images/optifine-minecraft-pe_GM479516143.pdf
    • http://fabianslaw.org/images/minecraft-xbox-360-free-download-code_GM479516143.pdf
    • http://fabianslaw.org/images/master-coin-free-spin_GM406889139.pdf
    • http://fabianslaw.org/images/coin-master-free-cards-and-spin-link_GM406889139.pdf
    • http://fabianslaw.org/images/rbxdemon_GM431946152.pdf
    • http://fabianslaw.org/images/how-to-get-minecraft-for-free-on-xbox-360_GM479516143.pdf
    • http://fabianslaw.org/images/how-to-get-free-spins-coin-master_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004b01.bin
0e699edea488a1dab2eb06b738a823edf9b897025b6a65d50032dfeebfd152ff		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B01 28864 bytes
font_01_sfnt_off00008ed7.bin
02b35010e2614e3cc95ac6414c49295350c91fdfcc4b4cad27ffdbc10e80df7f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8ED7 2912 bytes
font_02_sfnt_off000098d4.bin
d5ac01ba848f85c7af00746e0b4ab9643e0d1d2f53353368de6e0e250a854553		 pdf-font-stream PDF embedded font (sfnt) at offset 0x98D4 18772 bytes

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