Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b7132a080d4a39a…

MALICIOUS

PDF

54.5 KB Created: 2021-05-16 04:55:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 6e05c966f47fe639d66428dee445548b SHA-1: 7b1f5aa6359cefb0ed7cf1a3f4af40d3b01e57ac SHA-256: 2b7132a080d4a39ac5b6040b7cfd6a56e9ed71e5fb606072cec8e0cdb4fdcbf8
82 Risk Score

Malware Insights

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

This PDF document employs a fake CAPTCHA lure to deceive users into downloading a secondary payload from the URL https://netcdn.xyz/app/431946152/roblox-executor-free-game-hack. The document's content and embedded links suggest a focus on distributing game-related exploits or cheats. The ML classifier strongly flagged this PDF as malicious, supporting the observed deceptive tactics.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9403

Heuristics 4

  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • 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-executor-free-game-hack PDF link annotation
    • http://elitesoftsolutions.com/images/earn-robux-com_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/coin-master-tiradas-gratis_GM406889139.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/free-robux-generator-2021-no-survey_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/how-to-get-free-robux-without-verifying-2021_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/minecraft-realms-free-trial_GM479516143.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/coin-master-hack-unlimited-spins-and-coins-cheats_GM406889139.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/coin-master-33-hack-version-download_GM406889139.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/coin-master-free-spin-redeem-code_GM406889139.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/coin-master-hack-without-human-verification-2021_GM406889139.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/minecraft-hacks-list_GM479516143.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/free-robux-without-any-verification_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/roblox-fun-com-robux_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/lastrick-com-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/free-robux-site_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/coin-master-spin-and-coins-free_GM406889139.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/coin-master-on-facebook_GM406889139.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/microsoft-rewards-robux_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/minecraft-login-free_GM479516143.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/coin-master-email-rewards_GM406889139.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/wurst-18-9_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004b78.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B78 27344 bytes
SHA-256: e53dfab7af9db1b1f8ecafd6ad8ccb354768925ed3a19e17ffa55ee6b914714c
font_01_sfnt_off00008bae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8BAE 12844 bytes
SHA-256: b0871b6d5a01ee3a703cd70721c7b33ee65ea5a3d393b0a086b2ec2cec1ede66
font_02_sfnt_off0000b3b0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB3B0 18192 bytes
SHA-256: ea871bc3cbe03b518fb751ba62897ebdd4c1203063e0cc28c04b209086b68926

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