PDF static analysis report

Static analysis result for SHA-256 387085ca3b0e0af5…

SUSPICIOUS

PDF

33.1 KB Created: 2021-06-23 01:07:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: fd44787bdd64446e4addc5c3973078d3 SHA-1: fa7a5cdd6c80bcf3af32851e4848ba803713a0d3 SHA-256: 387085ca3b0e0af5da50abc15e6329e49c876b7976246240e6537d15e4fe8020
42 Risk Score

Malware Insights

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

The PDF document contains a prominent call-to-action button and an embedded URL pointing to a tool advertised as a "Hack Game Tool for Roblox". The ML classifier strongly flagged this PDF as malicious, and the presence of numerous related PDF files on the same domain suggests a campaign distributing potentially unwanted or malicious software. The primary IOC is the direct download URL.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

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/hack-game-tool-for-roblox-game-hack PDF link annotation
    • https://linhkien247.vn/public/upload/files/coin-master-unlimited-spin-and-coin-hack_GM406889139.pdfIn PDF document text
    • https://linhkien247.vn/public/upload/files/coin-master-free-spins-reddit_GM406889139.pdfIn PDF document text
    • https://linhkien247.vn/public/upload/files/cheat-codes-for-bank-tycoon-roblox_GM431946152.pdfIn PDF document text
    • https://linhkien247.vn/public/upload/files/coin-master-free-spins-today-daily-links_GM406889139.pdfIn PDF document text
    • https://linhkien247.vn/public/upload/files/casper-roblox-hack_GM431946152.pdfIn PDF document text
    • https://linhkien247.vn/public/upload/files/free-robux-human-verification_GM431946152.pdfIn PDF document text
    • https://linhkien247.vn/public/upload/files/get-free-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://linhkien247.vn/public/upload/files/free-likes-on-tiktok_GM835599320.pdfIn PDF document text
    • https://linhkien247.vn/public/upload/files/speck-elements-robux-hack_GM431946152.pdfIn PDF document text
    • https://linhkien247.vn/public/upload/files/free-account-that-have-robux-that-are-100-real_GM431946152.pdfIn PDF document text
    • https://linhkien247.vn/public/upload/files/how-to-join-someones-game-on-roblox-without-hacks-codes_GM431946152.pdfIn PDF document text
    • https://linhkien247.vn/public/upload/files/get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • https://linhkien247.vn/public/upload/files/hacks-fpr-roblox_GM431946152.pdfIn PDF document text
    • https://linhkien247.vn/public/upload/files/coin-master-free-spins-usa-2021_GM406889139.pdfIn PDF document text
    • https://linhkien247.vn/public/upload/files/minecraft-pe-free-download-android_GM479516143.pdfIn PDF document text
    • https://linhkien247.vn/public/upload/files/free-robux-pastebin_GM431946152.pdfIn PDF document text
    • https://linhkien247.vn/public/upload/files/roblox-realty-free-music-one_GM431946152.pdfIn PDF document text
    • https://linhkien247.vn/public/upload/files/coin-master-game-free-spin-download_GM406889139.pdfIn PDF document text
    • https://linhkien247.vn/public/upload/files/oprewards-free-robux_GM431946152.pdfIn PDF document text
    • https://linhkien247.vn/public/upload/files/is-roblox-studio-free_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_off00002acc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2ACC 22452 bytes
SHA-256: dee9ccf677cddcfe689f99fbd6c4a24e8ff8a304eaa705dfcc3e9e32575db2f7
font_01_sfnt_off00005ca7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CA7 19080 bytes
SHA-256: 535d5b5bad303915da9b4bc163fde536d863c614ae496d3c3840c4d4a8296b41