Malicious PDF — malware analysis report

Static analysis result for SHA-256 e502170d6aa4e959…

MALICIOUS

PDF

42.6 KB Created: 2021-05-16 04:37:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 4460dd3910aaa328e51e2e15c42ad174 SHA-1: 37d7c6df3dc823820e84c24b4c13be80de0bf2a9 SHA-256: e502170d6aa4e95965faeed00b987c20db348ba548f1c0a4ae598b049db66a6d
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 cheats or free currency for popular games. The primary URL, https://netcdn.xyz/app/406889139/coin-master-15-free-spin-link-of-last-5-days-game-hack, suggests a lure for game-related exploits. The PDF structure and extensive link farm indicate a phishing or scam attempt, likely designed to drive traffic to malicious or ad-filled websites.

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/406889139/coin-master-15-free-spin-link-of-last-5-days-game-hack
    • http://www.sfakia-online.com/images/how-can-i-get-free-coinsn-coin-master_GM406889139.pdf
    • http://www.sfakia-online.com/images/clean-master-hack-coins_GM406889139.pdf
    • http://www.sfakia-online.com/images/free-minecraft-server-hosting-with-plugins_GM479516143.pdf
    • http://www.sfakia-online.com/images/coin-master-free-spin-download_GM406889139.pdf
    • http://www.sfakia-online.com/images/archery-master-3d-coins-hack_GM406889139.pdf
    • http://www.sfakia-online.com/images/how-can-i-get-free-robux_GM431946152.pdf
    • http://www.sfakia-online.com/images/robux-generator-no-human-verification-or-survey_GM431946152.pdf
    • http://www.sfakia-online.com/images/instantrobux_GM431946152.pdf
    • http://www.sfakia-online.com/images/websites-that-give-free-robux_GM431946152.pdf
    • http://www.sfakia-online.com/images/coin-master-free-spins-hack-but-no-surveys_GM406889139.pdf
    • http://www.sfakia-online.com/images/free-minecraft-hosting_GM479516143.pdf
    • http://www.sfakia-online.com/images/coin-master-free-spins-link-today-new-2021_GM406889139.pdf
    • http://www.sfakia-online.com/images/mobihack-net-roblox-hack_GM431946152.pdf
    • http://www.sfakia-online.com/images/how-to-hack-roblox-accounts-2021_GM431946152.pdf
    • http://www.sfakia-online.com/images/free-roblox-exploits_GM431946152.pdf
    • http://www.sfakia-online.com/images/free-coin-and-spin-in-coin-master_GM406889139.pdf
    • http://www.sfakia-online.com/images/mcpe-client_GM479516143.pdf
    • http://www.sfakia-online.com/images/moonactive-free-spins_GM406889139.pdf
    • http://www.sfakia-online.com/images/how-to-hack-roblox-to-get-free-robux_GM431946152.pdf
    • http://www.sfakia-online.com/images/mcpe_GM479516143.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000048b5.bin
0be157c9f95d0e78ee08d69c5138a3c0862f080d5df88d22264b3d39fedd6876
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x48B5 25540 bytes
font_01_sfnt_off00008308.bin
4144dbe1534d0325d37e4c6129895ddb34a2bc26123e242025982d4ceef1bd2b
pdf-font-stream PDF embedded font (sfnt) at offset 0x8308 18644 bytes