PDF static analysis report

Static analysis result for SHA-256 9564d705c33f3717…

SUSPICIOUS

PDF

30.7 KB Created: 2021-07-19 08:00:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 5c911a09f7cbce999e05a2f3879224d1 SHA-1: 1880d49829c2711261143bd028d5d595cb654bd3 SHA-256: 9564d705c33f37179266bac473aa44ce91018f54780af9ca5a1ec0e53b220709
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and text promoting a "free Robux generator" and a "CLICK HERE TO ACCESS ROBUX GENERATOR" call-to-action. The ML classifier flagged this PDF as malicious with a high probability. The embedded URLs likely lead to further malicious content or phishing pages designed to trick users into providing credentials or downloading additional malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9157

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/free-robux-no-verification-2021-ios-game-hack PDF link annotation
    • http://vavafashions.com/uploaded_files/userfiles/files/free-tiktok-followers-no-verification-or-survey_GM835599320.pdfIn PDF document text
    • http://vavafashions.com/uploaded_files/userfiles/files/minecraft-free-no-download_GM479516143.pdfIn PDF document text
    • http://vavafashions.com/uploaded_files/userfiles/files/free-robux-link_GM431946152.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_off000022f1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x22F1 21904 bytes
SHA-256: b8e76f78c909f7b579d2d5a1ee0df1c3fcbc7432e5d7e9f01ec3e97fb7a5a63c
font_01_sfnt_off0000537c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x537C 19188 bytes
SHA-256: ec4c473d5834925599144b93a33ad6ee3064c9078267c878f28702a8d76031d6

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