Malware Insights
The PDF contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The primary malicious URL, 'https://ttraff.club/wix?keyword=multiplication+using+partial+products+worksheets', is presented as a lure related to educational content. The document body, though heavily obfuscated, contains references to this URL and appears to be generated by wkhtmltopdf, a tool often used to create PDF documents from web content. The presence of a large number of external PDF links, many pointing to Shopify domains, suggests a link farm or SEO poisoning tactic to distribute the malicious redirector.
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.club/wix?keyword=multiplication+using+partial+products+worksheets
- https://cdn.shopify.com/s/files/1/0440/8701/7637/files/achilles_tendon_rupture_rehab.pdf
- https://cdn.shopify.com/s/files/1/0429/2050/9596/files/mapotekagifafabuvafi.pdf
- https://cdn.shopify.com/s/files/1/0436/3078/8758/files/formato_de_certificado_medico_laboral.pdf
- https://cdn.shopify.com/s/files/1/0457/7551/9910/files/atlantic_university_school_of_medicine_new_york.pdf
- https://cdn.shopify.com/s/files/1/0440/2331/6630/files/77394559543.pdf
- https://cdn.shopify.com/s/files/1/0434/9421/1750/files/fakidoxa.pdf
- https://cdn.shopify.com/s/files/1/0435/3343/5029/files/wewakumagumanejakep.pdf
- https://cdn.shopify.com/s/files/1/0431/0482/9589/files/calculus_book_stewart_7th_edition.pdf
- https://87a161f3-9ea3-49fe-a7bf-78ee8da3c63e.filesusr.com/ugd/227d0f_5cbac3c460ff479397d74849294c05c5.pdf?index=true
- https://d866138a-3cc6-4238-8afd-594ca85398a8.filesusr.com/ugd/89064d_53642a8e0f494418b65f582205d9dea2.pdf?index=true
- https://26802735-9d5a-44fa-a18e-7e3f5e43f118.filesusr.com/ugd/3ed902_2b8215d1ec0449edb5cccc011af3a620.pdf?index=true
- https://602d76cf-39b8-4805-a783-f5e529798ba1.filesusr.com/ugd/227d0f_41dc10072f704395a14aa51aa71f922f.pdf?index=true
- https://d53bb6af-6d57-474a-b6a4-f13b8172a7ad.filesusr.com/ugd/8e6e76_a658a5c3aa2c4e4b84892c884f1efe35.pdf?index=true
- 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_off00006396.bin5b1c95862adb1892dc2c2de18def172517a6242dc9a5e90190672a11f55b8e35 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6396 | 5496 bytes |
font_01_sfnt_off00007658.binf373836dca38a6ff96ef7b6f737d79cafb684b9b49c6d1303b18581953d76c07 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7658 | 10520 bytes |
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