PDF static analysis report

Static analysis result for SHA-256 6547e5ce47bf1473…

SUSPICIOUS

PDF

44.4 KB Created: 2021-05-12 21:02:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 19b79f6ccb9b8d5883c162b543c105a3 SHA-1: 50c524c31c7e837054e6ff1482c70cc1e3bfaa1f SHA-256: 6547e5ce47bf147351ffac41ff3e51a76670dcb4158a3739b4f2e866e933dd6a
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains an embedded URI pointing to a URL that appears to offer game hacks or cheats, such as 'claim-free-robux'. The ML classifier strongly flagged this PDF as malicious, and the presence of a visual download button further supports a deceptive lure. The document likely aims to trick users into downloading and executing a secondary payload by exploiting their interest in game cheats.

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 https://netcdn.xyz/app/431946152/claim-free-robux-button-game-hack PDF link annotation
    • https://ifef.es/ckfinder/userfiles/files/can-you-give-me-robux_GM431946152.pdfIn PDF document text
    • https://ifef.es/ckfinder/userfiles/files/coin-master-free-spins--spins_GM406889139.pdfIn PDF document text
    • https://ifef.es/ckfinder/userfiles/files/free-coin-master-spins-blog_GM406889139.pdfIn PDF document text
    • https://ifef.es/ckfinder/userfiles/files/hack-a-game_GM431946152.pdfIn PDF document text
    • https://ifef.es/ckfinder/userfiles/files/demon-roblox_GM431946152.pdfIn PDF document text
    • https://ifef.es/ckfinder/userfiles/files/coin-master-free-gold-cards_GM406889139.pdfIn PDF document text
    • https://ifef.es/ckfinder/userfiles/files/roblox-hack_GM431946152.pdfIn PDF document text
    • https://ifef.es/ckfinder/userfiles/files/como-hackear-coin-master-en-espaol_GM406889139.pdfIn PDF document text
    • https://ifef.es/ckfinder/userfiles/files/free-coins-and-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://ifef.es/ckfinder/userfiles/files/free-roblox-passwords_GM431946152.pdfIn PDF document text
    • https://ifef.es/ckfinder/userfiles/files/master-coins-free_GM406889139.pdfIn PDF document text
    • https://ifef.es/ckfinder/userfiles/files/free-coin-master-spins-for-today_GM406889139.pdfIn PDF document text
    • https://ifef.es/ckfinder/userfiles/files/roblox-free-play_GM431946152.pdfIn PDF document text
    • https://ifef.es/ckfinder/userfiles/files/how-to-exploit-roblox_GM431946152.pdfIn PDF document text
    • https://ifef.es/ckfinder/userfiles/files/free-robux-no-generator_GM431946152.pdfIn PDF document text
    • https://ifef.es/ckfinder/userfiles/files/coin-master-daily-free-spin-app_GM406889139.pdfIn PDF document text
    • https://ifef.es/ckfinder/userfiles/files/robux-com-free_GM431946152.pdfIn PDF document text
    • https://ifef.es/ckfinder/userfiles/files/free-robux-app-2021_GM431946152.pdfIn PDF document text
    • https://ifef.es/ckfinder/userfiles/files/coin-master-daily-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • https://ifef.es/ckfinder/userfiles/files/coin-master-hack-review_GM406889139.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
stream_003_off00004aac.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4AAC 27740 bytes
SHA-256: a85f3ed5ac07f321d6b653d529086edbe4eb68c986d2e8958df6b3eae58e7f31
font_01_sfnt_off00008a00.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A00 18800 bytes
SHA-256: a65a8cc7dc4bcbd85f0772ba27416f5bddaec9beaf507a16cddd286b7aed5464