Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3b60ea9192bdb2a…

MALICIOUS

PDF

46.6 KB Created: 2021-05-19 01:24:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 554bdc5847155e8f3eb44cf8744f23d8 SHA-1: dfa01825073426cb2a33c3571fb5bcb27e053a9a SHA-256: d3b60ea9192bdb2aee6f793de59a948649c8513c6e1ce004953bd9e918599a45
102 Risk Score

Malware Insights

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

The document contains lures for game cheats and explicitly requests sensitive recovery information, indicating a phishing or scam attempt. It embeds multiple URLs, including one pointing to a potential download, suggesting it's part of a malicious workflow to trick users into compromising their accounts or downloading further malware. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8948

Heuristics 4

  • Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE
    Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
  • 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-unlimited-spins-hack-game-hack
    • http://cmfd.nl/images/coin-master-hack-mobile_GM406889139.pdf
    • http://cmfd.nl/images/coin-master-free-coins-and-spins-group_GM406889139.pdf
    • http://cmfd.nl/images/moon-active-games_GM406889139.pdf
    • http://cmfd.nl/images/free-spins-coin-master-links_GM406889139.pdf
    • http://cmfd.nl/images/coin-master-hack-program_GM406889139.pdf
    • http://cmfd.nl/images/free-spins_GM406889139.pdf
    • http://cmfd.nl/images/hack-coin-master-no-verification_GM406889139.pdf
    • http://cmfd.nl/images/roblox-free-robux-hack_GM431946152.pdf
    • http://cmfd.nl/images/is-minecraft-education-edition-free_GM479516143.pdf
    • http://cmfd.nl/images/coin-master-free-coins-and-spins-link-today_GM406889139.pdf
    • http://cmfd.nl/images/free-face-roblox_GM431946152.pdf
    • http://cmfd.nl/images/can-i-get-minecraft-for-free_GM479516143.pdf
    • http://cmfd.nl/images/hacks-for-minecraft-bedrock_GM479516143.pdf
    • http://cmfd.nl/images/roblox-com-r_GM431946152.pdf
    • http://cmfd.nl/images/free-minecraft-alt-accounts_GM479516143.pdf
    • http://cmfd.nl/images/blox-pink-robux-free_GM431946152.pdf
    • http://cmfd.nl/images/free-coin-master-coins-2021_GM406889139.pdf
    • http://cmfd.nl/images/send-me-500-2021-spins_GM406889139.pdf
    • http://cmfd.nl/images/free-printable-minecraft-coloring-pages_GM479516143.pdf
    • http://cmfd.nl/images/como-conseguir-monedas-infinitas-y-tiradas-de-coin-master-hack_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004aec.bin
6d3081782c0e8ddaecab541ab1478a46b8c31f1efde26f769327feed55e65a53		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4AEC 26240 bytes
font_01_sfnt_off000086ec.bin
1dd933c112880b232546f3aab6a17784a8f412d39fd551cc6eb31c5a04c3ce57		 pdf-font-stream PDF embedded font (sfnt) at offset 0x86EC 3380 bytes
font_02_sfnt_off000092d4.bin
bff27dcdedd5af8a0d687a24d9b2ce7acea36a5c8901c6afee4cb29d8b6ebd85		 pdf-font-stream PDF embedded font (sfnt) at offset 0x92D4 18584 bytes

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