MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The primary malicious URL identified is https://ttraff.ru/wix?keyword=terzaghi+differential+equation, which is likely used to obscure the final destination of the attack. The document body itself is heavily obfuscated and contains references to the redirector URL and other benign-looking Shopify links, suggesting a link farm or redirection tactic to lure users to malicious content.
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.ru/wix?keyword=terzaghi+differential+equation
- https://cdn.shopify.com/s/files/1/0428/4717/4812/files/98627552120.pdf
- https://cdn.shopify.com/s/files/1/0434/9342/5316/files/architecture_handbook_of_professional_practice.pdf
- https://cdn.shopify.com/s/files/1/0433/3849/8206/files/66290643191.pdf
- https://cdn.shopify.com/s/files/1/0432/2433/4496/files/48478123527.pdf
- https://cdn.shopify.com/s/files/1/0435/0102/7493/files/rolefe.pdf
- https://cdn.shopify.com/s/files/1/0437/9269/5458/files/71379523332.pdf
- https://cdn.shopify.com/s/files/1/0436/0096/9896/files/femefinuwe.pdf
- https://cdn.shopify.com/s/files/1/0446/9476/5724/files/80908050690.pdf
- https://cdn.shopify.com/s/files/1/0427/9658/1020/files/mevisisipasitidaxase.pdf
- https://static.usrfiles.com/ugd/ecec20_95f857db66ca44049ae1f8326f7bd8bc.pdf
- https://static.usrfiles.com/ugd/ea5d7b_03fbd1bd927c41cbb0536c36f0d57b72.pdf
- https://static.usrfiles.com/ugd/b8c837_c18c34ad10884e728dd5f90b0d3ff43b.pdf
- https://static.usrfiles.com/ugd/8cbfce_57836ab60eb947bb9310e277e2114145.pdf
- https://static.usrfiles.com/ugd/856cea_52a5b6964c80476d93c20944d13f99c6.pdf
- https://static.usrfiles.com/ugd/b8c837_5a8c5136b98347979ff627a5ad2814d8.pdf
- https://static.usrfiles.com/ugd/b8c837_822f31ee723b42e396225a7d915ab1c8.pdf
- https://static.usrfiles.com/ugd/739437_2f0f4b0fdd394f7b899ed7ec49247513.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008d3c.bin11cd052466261cad203554194b7d23234ad476c4c5ed69aec66c176abd81a85b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D3C | 5000 bytes |
font_01_sfnt_off00009e2b.bin4fb2f8d3713a9aba949b6db1e7d45554cc97ef43a69e9c2e362b6c485683b527 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E2B | 10216 bytes |
font_02_sfnt_off0000c108.bin0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC108 | 4324 bytes |
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