Malicious PDF — malware analysis report

Static analysis result for SHA-256 722c2c1769449c89…

MALICIOUS

PDF

41.8 KB Created: 2021-05-11 13:07:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 69c74c9ff92ccd9247c1339c62215f16 SHA-1: 6a0ec08bd93b4ff1a540def06b70e306cd121f98 SHA-256: 722c2c1769449c891415acc00aa88896b5745580048128eb15bf6a1fd59dc555
102 Risk Score

Malware Insights

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

This PDF document contains a large number of external links, many of which appear to be SEO-optimized for game-related hacks and cheats. The document body also contains a URL pointing to a 'free-old-roblox-accounts-game-hack'. This suggests the document is designed to trick users into visiting malicious websites that may host malware or phishing content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/free-old-roblox-accounts-game-hack
    • http://opac.ekonomi.up45.ac.id/repository/mcpe-master-hack-coins_GM406889139.pdf
    • http://opac.ekonomi.up45.ac.id/repository/free-spins-and-coins-for-coin-master_GM406889139.pdf
    • http://opac.ekonomi.up45.ac.id/repository/free-coin-master-coins-and-spins_GM406889139.pdf
    • http://opac.ekonomi.up45.ac.id/repository/free-robux-generator-without-human-verification_GM431946152.pdf
    • http://opac.ekonomi.up45.ac.id/repository/free-roblox-card_GM431946152.pdf
    • http://opac.ekonomi.up45.ac.id/repository/coin-master-free-link-facebook_GM406889139.pdf
    • http://opac.ekonomi.up45.ac.id/repository/free-spins-october-28-2021-coin-master_GM406889139.pdf
    • http://opac.ekonomi.up45.ac.id/repository/how-to-hack-coin-master-spin_GM406889139.pdf
    • http://opac.ekonomi.up45.ac.id/repository/minecraft-mod-menu-apk_GM479516143.pdf
    • http://opac.ekonomi.up45.ac.id/repository/hack-to-get-free-spins-on-coin-master_GM406889139.pdf
    • http://opac.ekonomi.up45.ac.id/repository/how-to-get-free-things-on-roblox_GM431946152.pdf
    • http://opac.ekonomi.up45.ac.id/repository/haktuts-free-spins_GM406889139.pdf
    • http://opac.ekonomi.up45.ac.id/repository/free-spins-on-coin-master-game_GM406889139.pdf
    • http://opac.ekonomi.up45.ac.id/repository/is-free-robux-real_GM431946152.pdf
    • http://opac.ekonomi.up45.ac.id/repository/how-can-i-get-free-coinsn-coin-master_GM406889139.pdf
    • http://opac.ekonomi.up45.ac.id/repository/coin-master-fan-page-free-spins_GM406889139.pdf
    • http://opac.ekonomi.up45.ac.id/repository/free-spins-coin-master-facebook_GM406889139.pdf
    • http://opac.ekonomi.up45.ac.id/repository/free-minecraft-packs_GM479516143.pdf
    • http://opac.ekonomi.up45.ac.id/repository/coin-master-daily-rewards-link_GM406889139.pdf
    • http://opac.ekonomi.up45.ac.id/repository/free-coins-for-coin-master_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004920.bin
b9ba1c9e861b20223de734ef1717e35dd3abc2333b999757eb245f47c483aee9		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4920 24348 bytes
font_01_sfnt_off00008078.bin
ba2f6d3da4eaca6d1fdd270dc574262566f59b0810be26bac781a581096b393b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8078 18368 bytes

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