Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee6e964b4e670144…

MALICIOUS

PDF

34.7 KB Created: 2021-06-25 11:08:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-14
MD5: 0cdf055551f74968c96f98744136a2b2 SHA-1: c8d600d2a2cc6cddcc75f80dba501bf7c57afc54 SHA-256: ee6e964b4e67014411789ca6411dc1a715ff07bf17f9d49bcc0d5f38fe3b031b
82 Risk Score

Malware Insights

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

The document displays a fake CAPTCHA to lure users into clicking a malicious link, which is a common social engineering tactic. The ML classifier also flagged this PDF as malicious with high confidence. The primary malicious URL identified is http://netcdn.co/app/431946152/free-robux-id-game-hack, which likely serves as a download or further redirection point.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/free-robux-id-game-hack PDF link annotation
    • http://perpus.wdh.ac.id/repository/free-roblox-cards-pin-number_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/free-spins-coin-master-2021-hack_GM406889139.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/how-to-hack-35-000-robux_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/roblox-hack-program_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/get-free-gold-cards-in-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/reddit-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/coin-master-hack_GM406889139.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/minecraft-apk-free-download_GM479516143.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/moon-static-coin-master-generator-hacks-free_GM406889139.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/how-to-get-more-robux-roblox-hack_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/free-spins-from-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/get-free-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/what-to-do-if-your-roblox-account-has-been-hacked_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/mcpe-download_GM479516143.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/minecraft-apk-android-free_GM479516143.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/free-coin-master-spin-and-coin-link_GM406889139.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/newo-ico-roblox-free-robux_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/coin-master-free-spin-link-twitter_GM406889139.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/free-mojang-account-with-minecraft_GM479516143.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/free-robux-with-no-survey_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
font_00_sfnt_off00003071.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3071 22636 bytes
SHA-256: c420bdc409dc42bce4886d0fd7ea54fee24c22076fdb70ccfc2ecf95ca43ceda
font_01_sfnt_off00006335.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6335 18888 bytes
SHA-256: 1785b5175926cdd3d529675e01234e65171801f092fcf86ef8325fefc690eb2f

Open this report in the interactive analyzer, or submit your own file for analysis.