PDF static analysis report

Static analysis result for SHA-256 f5a5f0121a968eb8…

SUSPICIOUS

PDF

46.6 KB Created: 2021-06-03 05:34:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 40de5f92db499a13fc5a4a77c7ddcc28 SHA-1: 15aee54d3635673f4a57265d5f7204052adb011c SHA-256: f5a5f0121a968eb8444ad841c65209f82b50889c86d7c5010d6727ffcac1d8bf
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded URL and heuristic firings indicating it's a malicious PDF, likely a lure for free Robux. The document body, though heavily obfuscated, contains references to 'Roblox Free Robux No Verification' and the malicious URL. The presence of a download button heuristic further supports the phishing attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9832

Heuristics 3

  • 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.online/app/431946152/roblox-free-robux-no-verification-game-hack PDF link annotation
    • http://www.furuihp.com/Public/upload/editorfiles/is-minecraft-education-edition-free_GM479516143.pdfIn PDF document text
    • http://www.furuihp.com/Public/upload/editorfiles/earn-robux-today-earn-robux-today_GM431946152.pdfIn PDF document text
    • http://www.furuihp.com/Public/upload/editorfiles/how-to-make-a-modded-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • http://www.furuihp.com/Public/upload/editorfiles/roblox-robux-page_GM431946152.pdfIn PDF document text
    • http://www.furuihp.com/Public/upload/editorfiles/how-to-get-free-robux-without-downloading-apps_GM431946152.pdfIn PDF document text
    • http://www.furuihp.com/Public/upload/editorfiles/free-robux-thumbnail_GM431946152.pdfIn PDF document text
    • http://www.furuihp.com/Public/upload/editorfiles/how-to-get-free-robux-without-any-verification_GM431946152.pdfIn PDF document text
    • http://www.furuihp.com/Public/upload/editorfiles/free-apk-mods-coin-master_GM406889139.pdfIn PDF document text
    • http://www.furuihp.com/Public/upload/editorfiles/robux-no-survey_GM431946152.pdfIn PDF document text
    • http://www.furuihp.com/Public/upload/editorfiles/mcpe-download_GM479516143.pdfIn PDF document text
    • http://www.furuihp.com/Public/upload/editorfiles/pubg-700-site_GM1330123889.pdfIn PDF document text
    • http://www.furuihp.com/Public/upload/editorfiles/hack-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://www.furuihp.com/Public/upload/editorfiles/roblox-group-free-robux_GM431946152.pdfIn PDF document text
    • http://www.furuihp.com/Public/upload/editorfiles/roblox-hack-apk_GM431946152.pdfIn PDF document text
    • http://www.furuihp.com/Public/upload/editorfiles/how-to-win-robux_GM431946152.pdfIn PDF document text
    • http://www.furuihp.com/Public/upload/editorfiles/coin-master-spin-link-today-2021_GM406889139.pdfIn PDF document text
    • http://www.furuihp.com/Public/upload/editorfiles/links-to-get-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://www.furuihp.com/Public/upload/editorfiles/tiktok-fans-free_GM835599320.pdfIn PDF document text
    • http://www.furuihp.com/Public/upload/editorfiles/free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://www.furuihp.com/Public/upload/editorfiles/coin-master-game-free-download_GM406889139.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_off000054a7.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x54A7 27312 bytes
SHA-256: a8019527f336d5e45745397b7b3cb122fc87e5b9de6a719b51259f642ee4d41b
font_01_sfnt_off0000928c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x928C 18676 bytes
SHA-256: d88aecf2630d4fcf6e85b9a2b5560aad6055705ec2bb19cbd5d89ce1bd292ac8