PDF static analysis report

Static analysis result for SHA-256 af52d218598e7e48…

SUSPICIOUS

PDF

36.0 KB Created: 2021-06-27 05:57:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 673abeebb387ce03743c339a65877da5 SHA-1: 548d3549c38bb83d021698fee59fe4bedd67ca07 SHA-256: af52d218598e7e48881bd04e8b5869856dd65dbe98ef72e743f316c59d6f1981
42 Risk Score

Malware Insights

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

The document contains a lure for a 'Roblox hack' and includes an external URI pointing to a potential download. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of malicious intent. The presence of numerous related URLs further supports the phishing and potential malware distribution attempt.

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-donegon-quest-level-hack-game-hack PDF link annotation
    • https://healthcare.kyst.com.tw/image/data/files/noclip-hack-roblox-2021_GM431946152.pdfIn PDF document text
    • https://healthcare.kyst.com.tw/image/data/files/free-robux-generator-com-roblox-hack_GM431946152.pdfIn PDF document text
    • https://healthcare.kyst.com.tw/image/data/files/robux-hack-2021_GM431946152.pdfIn PDF document text
    • https://healthcare.kyst.com.tw/image/data/files/script-roblox-hack_GM431946152.pdfIn PDF document text
    • https://healthcare.kyst.com.tw/image/data/files/free-robux-giveaway_GM431946152.pdfIn PDF document text
    • https://healthcare.kyst.com.tw/image/data/files/free-minecraft-gift-codes_GM479516143.pdfIn PDF document text
    • https://healthcare.kyst.com.tw/image/data/files/roblox-its-free-meme_GM431946152.pdfIn PDF document text
    • https://healthcare.kyst.com.tw/image/data/files/featured-items-on-roblox-free_GM431946152.pdfIn PDF document text
    • https://healthcare.kyst.com.tw/image/data/files/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdfIn PDF document text
    • https://healthcare.kyst.com.tw/image/data/files/spin-free-coin-master_GM406889139.pdfIn PDF document text
    • https://healthcare.kyst.com.tw/image/data/files/coin-master-cheat-codes_GM406889139.pdfIn PDF document text
    • https://healthcare.kyst.com.tw/image/data/files/roblox-hack-generator_GM431946152.pdfIn PDF document text
    • https://healthcare.kyst.com.tw/image/data/files/daily-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://healthcare.kyst.com.tw/image/data/files/roblox-its-free_GM431946152.pdfIn PDF document text
    • https://healthcare.kyst.com.tw/image/data/files/how-to-get-spins-on-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://healthcare.kyst.com.tw/image/data/files/free-roblox-girl-outfit-codes_GM431946152.pdfIn PDF document text
    • https://healthcare.kyst.com.tw/image/data/files/coin-master-daily-free-spins-link-today-2021_GM406889139.pdfIn PDF document text
    • https://healthcare.kyst.com.tw/image/data/files/how-to-play-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://healthcare.kyst.com.tw/image/data/files/coin-master-spin-link-today_GM406889139.pdfIn PDF document text
    • https://healthcare.kyst.com.tw/image/data/files/roblox-whatever-floats-your-boat-level-hack_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_off00003271.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3271 23164 bytes
SHA-256: 405f4f6fa6bf3e47c2dc2fe4393656e0d025e0c10ced3f495bb0cfce08de033e
font_01_sfnt_off000066b7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66B7 19340 bytes
SHA-256: 943024f2e268ac96adbeea8fa6dafcbdb93ecccc28b9e9f3f8c5331ab57d3495