Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a4030a01c47e554…

MALICIOUS

PDF

34.6 KB Created: 2021-06-29 07:33:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: ce241b893f3e82d9f657f091a7eac473 SHA-1: ed912d18348c84646ba355af0283a27b5dd1c2b5 SHA-256: 6a4030a01c47e554326b510720c620d55de6f57441f6153e65c60962a59f02ea
102 Risk Score

Malware Insights

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

This PDF document contains numerous links to external websites, many of which are presented as game cheats or hacks for Roblox. The document body explicitly mentions 'Roblox Cheat Source Leaked' and directs users to download files from URLs like http://netcdn.co/app/431946152/roblox-cheat-source-leaked-game-hack. The presence of a large number of external links, combined with the lure of game exploits, strongly suggests a malicious intent to trick users into downloading malware.

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-cheat-source-leaked-game-hack
    • https://perpustakaan.smp1madiun.sch.id/repository/wearedevs-hack-roblox_GM431946152.pdf
    • https://perpustakaan.smp1madiun.sch.id/repository/fastbucks-me-robux-for-free_GM431946152.pdf
    • https://perpustakaan.smp1madiun.sch.id/repository/how-to-secure-your-roblox-from-hacking_GM431946152.pdf
    • https://perpustakaan.smp1madiun.sch.id/repository/hacker-suit-roblox_GM431946152.pdf
    • https://perpustakaan.smp1madiun.sch.id/repository/how-do-you-hack-roblox-accounts-2021_GM431946152.pdf
    • https://perpustakaan.smp1madiun.sch.id/repository/roblox-mad-city-cheat_GM431946152.pdf
    • https://perpustakaan.smp1madiun.sch.id/repository/free-robux-and-tix-no-hack_GM431946152.pdf
    • https://perpustakaan.smp1madiun.sch.id/repository/cheats-to-say-phone-in-roblox_GM431946152.pdf
    • https://perpustakaan.smp1madiun.sch.id/repository/how-to-disco-hack-roblox-games_GM431946152.pdf
    • https://perpustakaan.smp1madiun.sch.id/repository/unlimited-robux-hack-free_GM431946152.pdf
    • https://perpustakaan.smp1madiun.sch.id/repository/codes-for-roblox-to-get-free-robux_GM431946152.pdf
    • https://perpustakaan.smp1madiun.sch.id/repository/cheat-engine-roblox-hacks-218_GM431946152.pdf
    • https://perpustakaan.smp1madiun.sch.id/repository/coin-master-free-spins-app_GM406889139.pdf
    • https://perpustakaan.smp1madiun.sch.id/repository/free-coins-on-coin-master_GM406889139.pdf
    • https://perpustakaan.smp1madiun.sch.id/repository/how-to-hack-murder-mystery-roblox_GM431946152.pdf
    • https://perpustakaan.smp1madiun.sch.id/repository/roblox-lua-script-cheat-engine-exploit_GM431946152.pdf
    • https://perpustakaan.smp1madiun.sch.id/repository/free-robux-generator-for-roblox-2021_GM431946152.pdf
    • https://perpustakaan.smp1madiun.sch.id/repository/roblox-hack-all-games_GM431946152.pdf
    • https://perpustakaan.smp1madiun.sch.id/repository/download-roblox-free-latest-version_GM431946152.pdf
    • https://perpustakaan.smp1madiun.sch.id/repository/how-to-get-free-spins-in-coin-master_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f70.bin
d0474d7363fdbb6a7bc40fc171ed8e9a5fa4d9aff439bf74102a491685d56db3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2F70 22552 bytes
font_01_sfnt_off000061b0.bin
07c90865dc5088e2facb99e1e5798cdac9e631baf4edae17d59954f23068dfbc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x61B0 19240 bytes

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