MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to Shopify domains but ultimately redirect to a malicious URL on 'ttraff.ru'. This indicates a link farm or redirection attack designed to obfuscate the final malicious destination. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is part of a malicious redirection scheme.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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=antigeno+prostatico+especifico+valores+pdf
- http://files.samwattfitness.com/uploads/1/3/0/8/130813546/3827992.pdf
- http://dapukon.macroleaders.com.au/uploads/1/3/2/8/132814930/3987192a4cb13b8.pdf
- http://nilumaf.macleanhighschoolcareers.com/uploads/1/3/0/7/130740510/tefeligo.pdf
- https://cdn.shopify.com/s/files/1/0433/3859/6511/files/14191635004.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/beloromawodosuxaso.pdf
- https://cdn.shopify.com/s/files/1/0431/0158/5570/files/kimivipupivafuwarupubuvu.pdf
- https://cdn.shopify.com/s/files/1/0427/7082/5382/files/kagolosoz.pdf
- https://cdn.shopify.com/s/files/1/0430/4276/7001/files/descargar_biblia_thompson_reina_valera_1960.pdf
- https://cdn.shopify.com/s/files/1/0431/3563/1514/files/73217152606.pdf
- https://cdn.shopify.com/s/files/1/0431/6980/8550/files/zoranawevovupabesugik.pdf
- https://cdn.shopify.com/s/files/1/0431/4886/9789/files/43602495737.pdf
- https://cdn.shopify.com/s/files/1/0434/6170/5888/files/91165161126.pdf
- https://cdn.shopify.com/s/files/1/0432/2420/3424/files/bexisokudewez.pdf
- https://cdn.shopify.com/s/files/1/0429/2490/0515/files/55104432023.pdf
- https://cdn.shopify.com/s/files/1/0431/1007/2481/files/water_pollution_effects_and_causes.pdf
- https://cdn.shopify.com/s/files/1/0430/4617/4877/files/quikrete_walkway_molds.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_off00008ed6.bin06d7eb156d281e38c62cd216f7f09471052e0d88e1733f0dd4d9cac445acc729 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8ED6 | 5372 bytes |
font_01_sfnt_off0000a12e.bin41c0b2271c9338c1639bf460226537367b1a49ecb3dca9cb858d9c251f418ba1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA12E | 12100 bytes |
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