Malicious PDF — malware analysis report

Static analysis result for SHA-256 782f46d6f0f0c6ec…

MALICIOUS

PDF

48.8 KB Created: 2021-06-01 11:38:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 55442b8157a8a5bdaf06d3e237f13e3a SHA-1: d0ebfc1b9a309d55b79b0b2d9ba0630b8a99f297 SHA-256: 782f46d6f0f0c6ec5881a3f48cb61f48896ef043ebf24c0aa6b4dbac0c7f02b2
62 Risk Score

Malware Insights

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

The PDF document contains a lure related to 'Roblox Cheats' and includes an external URI pointing to a download page for 'roblox-cheats-how-to-get-unlimited-robux-game-hack'. The presence of a download button lure and the ML classifier flagging the PDF as malicious further support this. The document likely serves as a phishing attachment to trick users into downloading further malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

Heuristics 4

  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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-cheats-how-to-get-unlimited-robux-game-hack
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/roblox-hack-download-2021-android_GM431946152.pdf
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/free-tiktok-accounts_GM835599320.pdf
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/easy-parkour-robux-hack_GM431946152.pdf
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/roblox-superhero-tycoon-cheats_GM431946152.pdf
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/minecraft-windows-10-hacked-client_GM479516143.pdf
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/minecraft-windows-10-edition-free_GM479516143.pdf
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/free-robux-no-human-verification-or-survey_GM431946152.pdf
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/free-robux-hack-generator-no-survey-no-human-verification_GM431946152.pdf
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/free-robux-offers_GM431946152.pdf
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/can-you-make-a-minecraft-server-for-free_GM479516143.pdf
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/hack-roblox-cheat-engine-63_GM431946152.pdf
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/free-coins-on-coin-master_GM406889139.pdf
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/free-robux-glitch-2021_GM431946152.pdf
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/javascript-robux-free_GM431946152.pdf
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/get-free-robux-generator_GM431946152.pdf
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/how-to-hack-roblox-on-ios-2021_GM431946152.pdf
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/roblox-speed-hack_GM431946152.pdf
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/free-minecraft-texture-packs_GM479516143.pdf
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/minecraft-server-hacks_GM479516143.pdf
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/roblox-free-draw-2-hak_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off0000521f.bin
4bd53f76a7b815d723d36ff333b62df60885f608aa36496eec56b9e4492c529b		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x521F 26268 bytes
font_01_sfnt_off00008d22.bin
ce2ea41c9dba7994031e0885d2822ae8c289e52c46d0b59f9816674228cb600c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8D22 3500 bytes
font_02_sfnt_off000098c3.bin
071317166c7218cf21de33d4b4f8d6391931486face0d3cc28fdc53f3e64d938		 pdf-font-stream PDF embedded font (sfnt) at offset 0x98C3 19324 bytes

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