Malicious PDF — malware analysis report

Static analysis result for SHA-256 3dad27a7ce002562…

MALICIOUS

PDF

34.0 KB Created: 2021-06-27 00:59:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 390306848132d56e92461408a3a09698 SHA-1: 619cb3991411a8be5e71e4db9b2b580ac8da86b0 SHA-256: 3dad27a7ce0025625550b0c3ec5809ee6a9416e6ba7b42070da25419753fea70
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded links and a "call-to-action" phrase, strongly suggesting a phishing or scam attempt. The primary goal appears to be directing users to external websites that promise free in-game currency or hacks, likely as a lure for further malicious activity. The ML classifier also flagged this PDF as malicious with high confidence.

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/how-to-get-free-robux-easy-on-ipad-game-hack
    • http://pustakafpsi.uin-suska.ac.id/repository/roblox-free-download-jaleco_GM431946152.pdf
    • http://pustakafpsi.uin-suska.ac.id/repository/coin-master-free-coins-and-spins-2021_GM406889139.pdf
    • http://pustakafpsi.uin-suska.ac.id/repository/roblox-german-flag-t-shirt-free_GM431946152.pdf
    • http://pustakafpsi.uin-suska.ac.id//repository/roblox-hair-for-free_GM431946152.pdf
    • http://pustakafpsi.uin-suska.ac.id/repository/free-hacks-for-coin-master_GM406889139.pdf
    • http://pustakafpsi.uin-suska.ac.id//repository/coin-master-hacks-for-spins_GM406889139.pdf
    • http://pustakafpsi.uin-suska.ac.id/repository/links-to-get-free-spins-on-coin-master_GM406889139.pdf
    • http://pustakafpsi.uin-suska.ac.id/repository/get-free-robux-without-human-verification-2021_GM431946152.pdf
    • http://pustakafpsi.uin-suska.ac.id/repository/coin-master-daily-spin-link_GM406889139.pdf
    • http://pustakafpsi.uin-suska.ac.id/repository/roblox-phantom-force-cheat-dill_GM431946152.pdf
    • http://pustakafpsi.uin-suska.ac.id/repository/app-hack-roblox-pc_GM431946152.pdf
    • http://pustakafpsi.uin-suska.ac.id/repository/bypass-roblox-cheat-engine-2021_GM431946152.pdf
    • http://pustakafpsi.uin-suska.ac.id/repository/free-roblox-shiny-charm-for-pokemon-brick-bronze_GM431946152.pdf
    • http://pustakafpsi.uin-suska.ac.id/repository/free-robux-accounts-2021_GM431946152.pdf
    • http://pustakafpsi.uin-suska.ac.id/repository/free-robux-with-no-verification-2021_GM431946152.pdf
    • http://pustakafpsi.uin-suska.ac.id//repository/coin-master-fan-page-free-spins_GM406889139.pdf
    • http://pustakafpsi.uin-suska.ac.id/repository/ways-for-free-robux_GM431946152.pdf
    • http://pustakafpsi.uin-suska.ac.id//repository/coin-master-hack-pro-gamers_GM406889139.pdf
    • http://pustakafpsi.uin-suska.ac.id//repository/coin-master-hack-2021-app_GM406889139.pdf
    • http://pustakafpsi.uin-suska.ac.id/repository/free-free-robux_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002e57.bin
fedbe7543ee1baa001761276f3e5ab7609d99d13672dfab3b0fd6481e5bccea6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2E57 21732 bytes
font_01_sfnt_off00005e0c.bin
486e30d54f0f67110ecd8f4229c9cb04f0069bb0a05e581c796468cb95d19ea4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E0C 19512 bytes

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