Malicious PDF — malware analysis report

Static analysis result for SHA-256 48fba624589a3f5d…

MALICIOUS

PDF

46.3 KB Created: 2021-06-01 01:56:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 21a5945acf954c9421bf25c3ee0d922b SHA-1: 908c45e598d7231af4837e0231ffb06c80963708 SHA-256: 48fba624589a3f5da0a333da5c7331bac27768750150e350a46e0958dc29deb3
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains an embedded URL pointing to a resource related to game hacks, and heuristics indicate it's designed to lure users into downloading content. The presence of a 'password-protected archive lure' heuristic suggests the document may be part of a multi-stage attack where the actual payload is hidden and requires a password, likely provided within the document itself, to decrypt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9832

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/how-togglw-the-hacks-in-robloxs-game-hack PDF link annotation
    • https://www.futureminers.co.za/wp-content/uploads/fsqm-files/free-tiktok-followers-instantly_GM835599320.pdfIn PDF document text
    • https://www.futureminers.co.za/wp-content/uploads/fsqm-files/admin-hack-roblox-ban_GM431946152.pdfIn PDF document text
    • https://www.futureminers.co.za/wp-content/uploads/fsqm-files/rbx-codes-free-robux_GM431946152.pdfIn PDF document text
    • https://www.futureminers.co.za/wp-content/uploads/fsqm-files/minecraft-free-android_GM479516143.pdfIn PDF document text
    • https://www.futureminers.co.za/wp-content/uploads/fsqm-files/minecraft-free-ios_GM479516143.pdfIn PDF document text
    • https://www.futureminers.co.za/wp-content/uploads/fsqm-files/free-robux-with-no-verification_GM431946152.pdfIn PDF document text
    • https://www.futureminers.co.za/wp-content/uploads/fsqm-files/free-mods-for-minecraft-pe_GM479516143.pdfIn PDF document text
    • https://www.futureminers.co.za/wp-content/uploads/fsqm-files/how-to-hack-into-anybodys-roblox-account-in-5-minutes_GM431946152.pdfIn PDF document text
    • https://www.futureminers.co.za/wp-content/uploads/fsqm-files/minecraft-java-edition-free_GM479516143.pdfIn PDF document text
    • https://www.futureminers.co.za/wp-content/uploads/fsqm-files/how-do-you-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://www.futureminers.co.za/wp-content/uploads/fsqm-files/slurp-download-roblox-hack-2021_GM431946152.pdfIn PDF document text
    • https://www.futureminers.co.za/wp-content/uploads/fsqm-files/how-to-get-free-robux-in-roblox-pc_GM431946152.pdfIn PDF document text
    • https://www.futureminers.co.za/wp-content/uploads/fsqm-files/how-to-get-free-robux-no-scam_GM431946152.pdfIn PDF document text
    • https://www.futureminers.co.za/wp-content/uploads/fsqm-files/best-roblox-hacking-services_GM431946152.pdfIn PDF document text
    • https://www.futureminers.co.za/wp-content/uploads/fsqm-files/minecraft-education-free_GM479516143.pdfIn PDF document text
    • https://www.futureminers.co.za/wp-content/uploads/fsqm-files/free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://www.futureminers.co.za/wp-content/uploads/fsqm-files/minecraft-java-free-trial_GM479516143.pdfIn PDF document text
    • https://www.futureminers.co.za/wp-content/uploads/fsqm-files/minecraft-games-to-play-for-free_GM479516143.pdfIn PDF document text
    • https://www.futureminers.co.za/wp-content/uploads/fsqm-files/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • https://www.futureminers.co.za/wp-content/uploads/fsqm-files/free-robux-no-verification-no-download_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off000053ba.bin
35bd323980077cc8a4f8b261b12b8d81c6ea7b4c324eec2fc59067a7d5197e20		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x53BA 26616 bytes
font_01_sfnt_off000090db.bin
db81c0df652109577062cb535ba9b347e30e4d3a1cf9506a374366b5c923cac5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x90DB 18800 bytes

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