PDF static analysis report

Static analysis result for SHA-256 cf6fe4c309b24ae7…

SUSPICIOUS

PDF

35.2 KB Created: 2021-06-21 01:41:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: c50de3bea26ae762ac9728a52035679c SHA-1: 64515c65dfca9a19597ae2879332ac0fbf0d5b06 SHA-256: cf6fe4c309b24ae74ecefbd1138e1af3f062ec43fb2eac884dce0d59b10a7e4a
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The ML classifier strongly flagged this PDF as malicious. The document body and extracted URLs indicate a lure for free in-game currency (Robux) for Roblox, directing users to download an application from 'netcdn.co'. This suggests a phishing or scam attempt to distribute potentially unwanted or malicious software.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/roblox-buiders-club-free-game-hack PDF link annotation
    • https://www.unicor.co.th/assets/editoruploads/files/how-to-earn-robux_GM431946152.pdfIn PDF document text
    • https://www.unicor.co.th/assets/editoruploads/files/earn-robux-today_GM431946152.pdfIn PDF document text
    • https://www.unicor.co.th/assets/editoruploads/files/hack-game-roblox-robux_GM431946152.pdfIn PDF document text
    • https://www.unicor.co.th/assets/editoruploads/files/robloxheroxyz-free-robux_GM431946152.pdfIn PDF document text
    • https://www.unicor.co.th/assets/editoruploads/files/blox-pink-robux-free_GM431946152.pdfIn PDF document text
    • https://www.unicor.co.th/assets/editoruploads/files/hack-xp-net-generators-coin-master_GM406889139.pdfIn PDF document text
    • https://www.unicor.co.th/assets/editoruploads/files/free-minecraft-bedrock-server-hosting-24-7_GM479516143.pdfIn PDF document text
    • https://www.unicor.co.th/assets/editoruploads/files/generator-robux_GM431946152.pdfIn PDF document text
    • https://www.unicor.co.th/assets/editoruploads/files/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
    • https://www.unicor.co.th/assets/editoruploads/files/can-you-get-robux-for-free_GM431946152.pdfIn PDF document text
    • https://www.unicor.co.th/assets/editoruploads/files/free-robux-generator-no-verification_GM431946152.pdfIn PDF document text
    • https://www.unicor.co.th/assets/editoruploads/files/free-mods-for-minecraft-pe_GM479516143.pdfIn PDF document text
    • https://www.unicor.co.th/assets/editoruploads/files/roblox-login-hack_GM431946152.pdfIn PDF document text
    • https://www.unicor.co.th/assets/editoruploads/files/minecraft-hacks_GM479516143.pdfIn PDF document text
    • https://www.unicor.co.th/assets/editoruploads/files/pokemon-go-free-2021-tier-list_GM1094591345.pdfIn PDF document text
    • https://www.unicor.co.th/assets/editoruploads/files/roblox-free-robux_GM431946152.pdfIn PDF document text
    • https://www.unicor.co.th/assets/editoruploads/files/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • https://www.unicor.co.th/assets/editoruploads/files/minecraft-pocket-edition-hack_GM479516143.pdfIn PDF document text
    • https://www.unicor.co.th/assets/editoruploads/files/roblox-obc-lifetime-free_GM431946152.pdfIn PDF document text
    • https://www.unicor.co.th/assets/editoruploads/files/rbx-land-free-robux_GM431946152.pdfIn PDF document text
    • https://www.roblox.com/.IIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000032de.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x32DE 22688 bytes
SHA-256: a95094ae73453add4261c3fed47cb1c98bec4b400cc79280e7e6a63d35cba3bc
font_01_sfnt_off00006494.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6494 19084 bytes
SHA-256: 9ede01f30692fb7b09932d1c7901b9b1b38205622bcfe306de47e28e48f2dda1

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