Malware Insights
This PDF file exhibits malicious characteristics, primarily through its extensive use of embedded links. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK indicates that one of the primary links directs to a known malicious redirector service, ttraff.ru. Additionally, the PDF_SEO_LINK_FARM heuristic reveals a large number of external PDF links, suggesting a link farm or SEO poisoning attempt. The ML_NYX_PDF_MALICIOUS classifier strongly supports the malicious nature of this document. No scripts were extracted, and the document body is largely unreadable binary data, but the presence of the malicious redirector URL is a high-confidence indicator of malicious intent.
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/pify?keyword=antibonding+molecular+orbitals+are+formed+by
- http://nurizarod.columbapoetry.com/uploads/1/3/2/3/132303382/7155232.pdf
- https://cdn.shopify.com/s/files/1/0432/3350/9535/files/vingroup_annual_report_2020.pdf
- https://cdn.shopify.com/s/files/1/0434/8729/7696/files/rawigowiwek.pdf
- https://cdn.shopify.com/s/files/1/0429/6910/4540/files/farajujisi.pdf
- https://cdn.shopify.com/s/files/1/0435/3274/6906/files/attention_guitar_tabs.pdf
- https://cdn.shopify.com/s/files/1/0431/0165/1105/files/star_musiq_tamil.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/89573664631.pdf
- https://cdn.shopify.com/s/files/1/0438/0409/8722/files/87909417245.pdf
- https://cdn.shopify.com/s/files/1/0429/5432/6179/files/banefixe.pdf
- https://cdn.shopify.com/s/files/1/0429/5216/3481/files/principle_of_programming_language_tutorial_point.pdf
- https://cdn.shopify.com/s/files/1/0437/7948/9946/files/508_assignment_answer_in_tamil.pdf
- https://cdn.shopify.com/s/files/1/0433/5307/9963/files/j_aurais_prfr_vivre_gratuit.pdf
- https://cdn.shopify.com/s/files/1/0433/8316/0995/files/tratado_de_direito_penal_bitencourt_2020.pdf
- https://cdn.shopify.com/s/files/1/0433/4272/5275/files/python_interview_questions_for_experienced.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_off0000734f.bin4a1a8ae9348b2faf6c68bfc1b045d6aea81e62b4cbc92c29bf0ebab63b284423 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x734F | 5572 bytes |
font_01_sfnt_off00008626.bincf52490f84f601e7fe3cb7d80100c135a3d2ecfc2aba83cff8c6d58188d69c7e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8626 | 10216 bytes |
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