PDF static analysis report

Static analysis result for SHA-256 cac4cad4510ed5c9…

SUSPICIOUS

PDF

33.2 KB Created: 2021-07-20 01:30:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 3487e59903667d8808491d959ac3f4f1 SHA-1: 5184c0cf72e73197dab65709fb95c580d5a7f51f SHA-256: cac4cad4510ed5c9312f4d43b46ea20f395f5221a9104d47b27df754dbfb6378
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for free Robux, directing users to a URL that likely hosts a malicious payload. The ML classifier strongly flagged this PDF as malicious, and the embedded URL is suspicious. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to trick users into downloading or executing further malicious content, likely related to game exploits or scams.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

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/how-do-u-get-free-robux-2021-game-hack PDF link annotation
    • https://lv-siegen.de/images/can-you-download-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://lv-siegen.de/images/minecraft-windows-10-free_GM479516143.pdfIn PDF document text
    • https://lv-siegen.de/images/100-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://lv-siegen.de/images/free-ways-to-get-robux_GM431946152.pdfIn PDF document text
    • https://lv-siegen.de/images/how-to-get-free-robux-no-scam_GM431946152.pdfIn PDF document text
    • https://lv-siegen.de/images/how-to-free-robux_GM431946152.pdfIn PDF document text
    • https://lv-siegen.de/images/rblx-city-free-robux_GM431946152.pdfIn PDF document text
    • https://lv-siegen.de/images/coin-master-free-stuff_GM406889139.pdfIn PDF document text
    • https://lv-siegen.de/images/minecraft-hacks-115-2_GM479516143.pdfIn PDF document text
    • https://lv-siegen.de/images/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000029b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x29B9 22936 bytes
SHA-256: 010dbe1dd76220ee014e7381248ff277ed9c21203811f1c4f3b38530cdb62bbf
font_01_sfnt_off00005d64.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D64 19040 bytes
SHA-256: 14ed63897d8c38c9b74f4ae6c685ddc963b8153977262fdb6411d06658c720a7

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