MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, a technique often used for SEO poisoning or to redirect users to malicious sites. One critical heuristic firing indicates a direct link to a known malicious redirector infrastructure at 'ttraff.ru'. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/wix?keyword=cadences+examples+pdf', suggesting a lure related to 'cadences examples'. The file also contains a large number of links to 'static.usrfiles.com', which is flagged as a link farm.
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=cadences+examples+pdf
- https://static.usrfiles.com/ugd/b8c837_bf36f6b73d654dffb9ad9e1c2509dd58.pdf
- https://static.usrfiles.com/ugd/2f8cea_434c738102d747e78f556cc7b41e6511.pdf
- https://static.usrfiles.com/ugd/b8c837_ea71c40b953e43ccac0318b398318834.pdf
- https://static.usrfiles.com/ugd/105a8c_17096100a6e24259be7476b8bfccca7a.pdf
- https://static.usrfiles.com/ugd/cc03df_9cd1356752ee4216bd5e873c1fbfbd26.pdf
- https://static.usrfiles.com/ugd/b8c837_b2f34cd483544153a5171f0f43347676.pdf
- https://static.usrfiles.com/ugd/b8c837_4ee5617878fd4a9a9e61d66508453e7a.pdf
- https://static.usrfiles.com/ugd/dc8a8e_39cd65f788e04f56a227a816e842323c.pdf
- https://static.usrfiles.com/ugd/67e251_95927aa10a3d40e881100c957ce82845.pdf
- https://static.usrfiles.com/ugd/b8c837_3be500aae3ec4f30908e389f6d583f57.pdf
- https://static.usrfiles.com/ugd/b8c837_c44f3fd8d7484c5a90e2b946249492ac.pdf
- https://cdn.shopify.com/s/files/1/0432/8646/2628/files/emulsion_polymerization_process.pdf
- https://cdn.shopify.com/s/files/1/0434/6318/0438/files/network_screenplay_paddy_chayefsky.pdf
- https://cdn.shopify.com/s/files/1/0431/0866/3456/files/76562372860.pdf
- https://cdn.shopify.com/s/files/1/0447/8317/3798/files/free_tor_browser_for_windows_xp.pdf
- https://cdn.shopify.com/s/files/1/0432/5752/8480/files/cd_zezo_as_melhores.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_off0000a424.bin53b908620819dfcd0a90f1a05791f52f837dc15ff16d11a1a2d345b715b4aa9f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA424 | 5180 bytes |
font_01_sfnt_off0000b5b8.bin1e6595bfb95f2e8837ca87c4eb0c54a49b4ead7f8ed8271e70134d016e6c0404 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5B8 | 10568 bytes |
font_02_sfnt_off0000da09.bindcf5bf9068761a66a65f40ee5aed8df972f266ddb8aeda1fcf15af54b1a3ac9a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA09 | 16200 bytes |
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