Malicious PDF — malware analysis report

Static analysis result for SHA-256 ffe69007dd33bc00…

MALICIOUS

PDF

43.0 KB Created: 2021-05-16 09:23:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: b6113ff258a9308752a7ff4fe724ba73 SHA-1: a260635ae812b81c40e985431153fc1301af5d01 SHA-256: ffe69007dd33bc0020d3d2d566133318313000f190dbc96a7fabd8b80e7d9671
82 Risk Score

Malware Insights

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

The PDF document contains multiple embedded URLs and a primary external URI that all point to websites offering game hacks or cheats, such as for Roblox and Coin Master. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' suggests that the document may be intended to trick users into believing they need a password to access an archive, a common tactic to bypass security filters. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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/roblox-online-free-no-download-game-hack
    • http://technologicalsc.com/images/buy-robux-free_GM431946152.pdf
    • http://technologicalsc.com/images/coin-master-free-coins-link-2021-today_GM406889139.pdf
    • http://technologicalsc.com/images/roblox-prison-life-hack_GM431946152.pdf
    • http://technologicalsc.com/images/coin-master-hack-to-get-free-spins_GM406889139.pdf
    • http://technologicalsc.com/images/roblox-place-rewards_GM431946152.pdf
    • http://technologicalsc.com/images/coinmaster-twitter_GM406889139.pdf
    • http://technologicalsc.com/images/earn-free-robux-on-roblox_GM431946152.pdf
    • http://technologicalsc.com/images/bux-free-robux_GM431946152.pdf
    • http://technologicalsc.com/images/coin-master-hack-version_GM406889139.pdf
    • http://technologicalsc.com/images/coin-master-free-spin-today_GM406889139.pdf
    • http://technologicalsc.com/images/games-on-roblox-that-give-you-free-robux_GM431946152.pdf
    • http://technologicalsc.com/images/coin-master-free-spins-reddit_GM406889139.pdf
    • http://technologicalsc.com/images/daily-coin-master-free-spin-link_GM406889139.pdf
    • http://technologicalsc.com/images/coin-master-free-spins-and-coins-daily_GM406889139.pdf
    • http://technologicalsc.com/images/coin-master-free-coins--spins_GM406889139.pdf
    • http://technologicalsc.com/images/coin-master-hack-pc-cheat-engine_GM406889139.pdf
    • http://technologicalsc.com/images/earn-free-robux_GM431946152.pdf
    • http://technologicalsc.com/images/roblox-free-robux-com_GM431946152.pdf
    • http://technologicalsc.com/images/is-free-robux-real_GM431946152.pdf
    • http://technologicalsc.com/images/coin-master-free-spins-gratis_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000495d.bin
62c17e3b2f1911a117f588f559fbe4be3c75cc68a52228fc9a50c068b0b9702f		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x495D 26076 bytes
font_01_sfnt_off0000842d.bin
6fb5cf719d1be48a9d1666bba8fc7670265b54a481b05bd95291926c1d5df909		 pdf-font-stream PDF embedded font (sfnt) at offset 0x842D 18804 bytes

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