Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2f8634e18fe389d…

MALICIOUS

PDF

36.3 KB Created: 2021-05-22 14:10:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-31
MD5: ee6849776b996ad164189530cbbc287c SHA-1: 9a565dad3c806849aa14c15da22988807fc72f57 SHA-256: e2f8634e18fe389d92f6a703e7cca33d9d6ecbb0cf681ac6a5a01ca047e041f8
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a clear call-to-action to access a "Blox.pink Free Robux" generator, which is a common lure for scams. The embedded URL points to known malicious redirector infrastructure. While no scripts were explicitly extracted, the PDF structure and heuristics indicate it's designed to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9492

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/blox.pink-free-robux-game-hack In PDF document text
    • https://www.metal.hr/files/easy-roblox-today_GM431946152.pdfIn PDF document text
    • https://www.metal.hr/files/wurst-mc_GM479516143.pdfIn PDF document text
    • https://www.metal.hr/files/how-to-hack-roblox-accounts-passwords_GM431946152.pdfIn PDF document text
    • https://www.metal.hr/files/stock-speed-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://www.metal.hr/files/coin-master-free-spins-link-hack_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_002_off000032ea.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x32EA 24600 bytes
SHA-256: d0e5ca61affc1fb55345af30f0ffc5020b83e63b3e0d2665ab847c2b2a1fb680
font_01_sfnt_off00006b95.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B95 18620 bytes
SHA-256: 20ad8a2126bb9f489cd4862944fdd8c1c01869fd803457c3ce1390bedb89f69f

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