PDF static analysis report

Static analysis result for SHA-256 3c71e393d07cca2d…

SUSPICIOUS

PDF

34.0 KB Created: 2021-07-05 21:50:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 588a41320eabbb203da086343f1e0e32 SHA-1: 12afc530401d3fe7c6ff48ac386fa0e1b104e9d1 SHA-256: 3c71e393d07cca2d9ad416c66351be4365db603fd3b042e7537499f2b07d3779
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and text that promote free in-game currency and items for popular games, acting as a lure. The primary URL, http://netcdn.tw/app/431946152/robux-no-verification-game-hack, likely hosts a malicious payload. The ML classifier strongly flagged this PDF as malicious, supporting the suspicious nature of the content.

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.tw/app/431946152/robux-no-verification-game-hack PDF link annotation
    • http://library.ulb.ac.id/repository/coin-master-free-spins-1-coin-master_GM406889139.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/roblox-free-play-no-download-online_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/tiktok-free-like-followers_GM835599320.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/robux-generator-that-works_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/roblox-cool-free-items_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/coin-master-mod-version-free-download-34-4_GM406889139.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/free-roblox-bc-code-generator_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/www-robux_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/roblox-animation-hack_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/free-robux-gameguardian_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id//repository/coin-master-website_GM406889139.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/free-adidas-hoodie-roblox_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/free-roblox-loot-bags_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/free-robux-developer_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/links-for-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://library.ulb.ac.id//repository/roblox-skin-free_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/how-to-get-marshmallow-head-in-roblox-2021-for-free_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/codes-for-roblox-weight-lifting-simulator-3-hack-code_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/limited-universe-robux-hack_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/minecraft-free_GM479516143.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_off00002fa6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FA6 21932 bytes
SHA-256: 2b5870f988314d83eaf97ac19d1cc49942424752acf0d2caa7e16d3cf97b63fb
font_01_sfnt_off00006023.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6023 18912 bytes
SHA-256: 5371eeb4f32645909a106e2314d3e19630680129b8a7356391e2a50deb7f8a6b