Malicious PDF — malware analysis report

Static analysis result for SHA-256 059e4c1ca77e4ae8…

MALICIOUS

PDF

34.3 KB Created: 2021-06-30 23:14:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 78d3b87b3833cc19e29373cc7e1223c7 SHA-1: 6f88e7f33512e67037304ae07a4a74be6907aa1b SHA-256: 059e4c1ca77e4ae825b70a2956df253e2880d8628f1f229389a56b545852f958
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains a large number of external links, many of which are SEO-optimized and point to pages offering 'free Robux' or game hacks. The document body and extracted URLs suggest a lure for potentially unwanted software or scam engagement. While no scripts were explicitly extracted, the PDF structure and extensive link farm indicate a malicious intent to redirect users to malicious sites.

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-robux-without-downloading-games-game-hack
    • http://library.imz.or.id/repository/how-to-get-free-robux-by-inspecting-2021_GM431946152.pdf
    • http://library.imz.or.id/repository/how-to-hack-on-roblox-saber-wars-alpha_GM431946152.pdf
    • http://library.imz.or.id/repository/how-to-hack-server-in-roblox-script_GM431946152.pdf
    • http://library.imz.or.id/repository/minecraft-windows-10-hacks_GM479516143.pdf
    • http://library.imz.or.id/repository/roblox-free-followers-discord_GM431946152.pdf
    • http://library.imz.or.id/repository/coin-master-free-spins-fb-champion_GM406889139.pdf
    • http://library.imz.or.id/repository/free-roblox-accounts-with-robux-2021_GM431946152.pdf
    • http://library.imz.or.id/repository/for-roblox-launch-for-free-vip_GM431946152.pdf
    • http://library.imz.or.id/repository/coin-master-free-spins-and-coins-link-haktuts_GM406889139.pdf
    • http://library.imz.or.id/repository/how-to-get-free-wings-in-roblox-2021_GM431946152.pdf
    • http://library.imz.or.id/repository/roblox-kingadasouth-kingslumber-teleport-cheats_GM431946152.pdf
    • http://library.imz.or.id/repository/how-to-get-free-robux-generator_GM431946152.pdf
    • http://library.imz.or.id/repository/free-spins-coin-master-links-blogger_GM406889139.pdf
    • http://library.imz.or.id/repository/where-to-find-roblox-hacks_GM431946152.pdf
    • http://library.imz.or.id/repository/free-coin-master-spins-no-verification_GM406889139.pdf
    • http://library.imz.or.id/repository/80-free-spins-coin-master_GM406889139.pdf
    • http://library.imz.or.id/repository/hack-coin-master-pc_GM406889139.pdf
    • http://library.imz.or.id/repository/how-can-i-get-minecraft-for-free_GM479516143.pdf
    • http://library.imz.or.id/repository/robux-codes_GM431946152.pdf
    • http://library.imz.or.id/repository/roblox-mad-murderer-hack_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002edb.bin
5f97fec6438706f8164c4aeeb7ae762dd78de351ee3f185e9020e092da049b48		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2EDB 21452 bytes
font_01_sfnt_off00005d98.bin
a7c6fee5b2ad4218000c89d098357927d679c2ab0b1952f5000799573057309b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D98 20144 bytes

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