MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to external PDF files hosted on various domains, suggesting a link farm for SEO poisoning. One critical heuristic identified a direct link to a known malicious redirector infrastructure at 'ttraff.cc'. The document body is heavily obfuscated and contains metadata indicating it was generated by wkhtmltopdf, a tool often used to create PDFs from web content, further supporting the lure of a 'Sicilian defense opening pdf'.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Embedded URL info EMBEDDED_URLOne 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://ttraff.cc/wb?keyword=sicilian%20defense%20opening%20pdf
- http://files.gibdevelopments.com/uploads/1/3/1/8/131871622/pudunigutegul_xuwozepeba_nojarew.pdf
- http://files.haciendasonoma.com/uploads/1/3/2/7/132740218/7130198.pdf
- http://files.pgtool.com/uploads/1/3/2/7/132710690/tabamijopojijesefi.pdf
- http://files.keystonetrucks.org/uploads/1/3/1/4/131437172/9847d5ef4d3.pdf
- https://xugipoxuwigo.files.wordpress.com/2020/06/wenidinebebon.pdf
- https://numuwaxuwilo94341109.files.wordpress.com/2020/07/somovanavulo.pdf
- https://rinasizovip.files.wordpress.com/2020/07/39888865892.pdf
- https://loralamodi.files.wordpress.com/2020/07/22465141876.pdf
- https://jefogusiku.files.wordpress.com/2020/07/pesaxowilejekorajufi.pdf
- https://zozijonatoto.files.wordpress.com/2020/07/75704249716.pdf
- https://kizutakogoz.files.wordpress.com/2020/07/16055324872.pdf
- https://cdn.shopify.com/s/files/1/0431/5627/5362/files/faras.pdf
- https://cdn.shopify.com/s/files/1/0433/6173/0718/files/71982920126.pdf
- https://cdn.shopify.com/s/files/1/0429/8070/4405/files/vafopato.pdf
- https://cdn.shopify.com/s/files/1/0433/0940/0214/files/taruxigired.pdf
- https://cdn.shopify.com/s/files/1/0431/4651/0504/files/6215804843.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/646255477.pdf
- https://cdn.shopify.com/s/files/1/0433/5288/3352/files/70264939694.pdf
- https://cdn.shopify.com/s/files/1/0432/6260/7518/files/sajovebo.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000823a.binda7d7a6c028375f38bfecd264493e3204d94a261f3fef7ab11e19c213e7bab81 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x823A | 5036 bytes |
font_01_sfnt_off00009359.bine76b11a6bf89d3ccd875a7ddec4fde9ebd8c79da8d464e914efb53e3347793b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9359 | 10024 bytes |
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