PDF static analysis report

Static analysis result for SHA-256 8b0ae47bf63bf691…

SUSPICIOUS

PDF

41.7 KB Created: 2021-05-16 09:10:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: bdc2cd4de280b4e562c9b68d5bcc9f13 SHA-1: 6761a559507fa6f2ea343bd845467093be90fdfa SHA-256: 8b0ae47bf63bf69128348995d59f5f3cee0ddcaf2ef4c477dbb784b8909002b2
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and text suggesting it is a lure for downloading a game hack client. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs indicates a potential download attempt. No scripts were extracted, but the overall structure and content point towards a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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.xyz/app/479516143/wurst-hacked-client-game-hack PDF link annotation
    • https://www.kaojen.com.tw/upload/files/coin-master-free-coins-link_GM406889139.pdfIn PDF document text
    • https://www.kaojen.com.tw/upload/files/easy-roblox-today_GM431946152.pdfIn PDF document text
    • https://www.kaojen.com.tw/upload/files/free-2021-robux_GM431946152.pdfIn PDF document text
    • https://www.kaojen.com.tw/upload/files/free-premium-roblox_GM431946152.pdfIn PDF document text
    • https://www.kaojen.com.tw/upload/files/minecraft-free-ios-2021_GM479516143.pdfIn PDF document text
    • https://www.kaojen.com.tw/upload/files/coin-master-free-spin-app-reviews_GM406889139.pdfIn PDF document text
    • https://www.kaojen.com.tw/upload/files/coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
    • https://www.kaojen.com.tw/upload/files/free-spin-and-coin_GM406889139.pdfIn PDF document text
    • https://www.kaojen.com.tw/upload/files/games-like-minecraft-but-free_GM479516143.pdfIn PDF document text
    • https://www.kaojen.com.tw/upload/files/free-shirt-roblox_GM431946152.pdfIn PDF document text
    • https://www.kaojen.com.tw/upload/files/coin-master-hack-apk-april-12-2021_GM406889139.pdfIn PDF document text
    • https://www.kaojen.com.tw/upload/files/free-pet-snacks-coin-master_GM406889139.pdfIn PDF document text
    • https://www.kaojen.com.tw/upload/files/coin-free-master_GM406889139.pdfIn PDF document text
    • https://www.kaojen.com.tw/upload/files/google-moon-active_GM406889139.pdfIn PDF document text
    • https://www.kaojen.com.tw/upload/files/coin-master-free-spins-2021-no-human-verification_GM406889139.pdfIn PDF document text
    • https://www.kaojen.com.tw/upload/files/coin-master-real-hack_GM406889139.pdfIn PDF document text
    • https://www.kaojen.com.tw/upload/files/unlimited-robux-2021_GM431946152.pdfIn PDF document text
    • https://www.kaojen.com.tw/upload/files/minecraft-hacker-skin_GM479516143.pdfIn PDF document text
    • https://www.kaojen.com.tw/upload/files/free-card-collection-in-coin-master_GM406889139.pdfIn PDF document text
    • https://www.kaojen.com.tw/upload/files/minecraft-112-2-hacked-client_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_off00004a3f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4A3F 24308 bytes
SHA-256: f522bc0aa8035e94a6a17b9517fb8bb35ade9bd6dc38df3571ca7df5fe9d3ea1
font_01_sfnt_off000080b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80B2 18324 bytes
SHA-256: c0530dae0908aae9c65ae0320e7c709be86d077002ac81f35dce260cac78bd58