MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous links, many pointing to Shopify domains hosting other PDFs, suggesting a link farm for SEO manipulation. A critical heuristic identified a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=aeroelasticity+of+plates+and+shells+pdf'. This redirector likely serves as a lure to a malicious payload. The ML classifier strongly supports the malicious nature of this PDF.
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=aeroelasticity+of+plates+and+shells+pdf
- http://files.chenangobluesfest.org/uploads/1/3/1/8/131856317/pavusizolotorozijo.pdf
- http://files.linnydvine.com/uploads/1/3/1/4/131453248/4714025.pdf
- http://files.onpapasfarm.com/uploads/1/3/1/4/131452958/fevivativar_juxanigobu.pdf
- https://cdn.shopify.com/s/files/1/0433/8044/1238/files/16896335158.pdf
- https://cdn.shopify.com/s/files/1/0433/8951/7973/files/83240448238.pdf
- https://cdn.shopify.com/s/files/1/0440/3747/2421/files/sega_saturn_isos.pdf
- https://cdn.shopify.com/s/files/1/0440/6122/9206/files/5555379131.pdf
- https://cdn.shopify.com/s/files/1/0431/8960/0414/files/duzobolamep.pdf
- https://cdn.shopify.com/s/files/1/0431/3006/0955/files/42316807613.pdf
- https://cdn.shopify.com/s/files/1/0440/4445/2005/files/23694681111.pdf
- https://cdn.shopify.com/s/files/1/0434/6878/3766/files/48719157924.pdf
- https://cdn.shopify.com/s/files/1/0434/5639/7464/files/84481705663.pdf
- https://cdn.shopify.com/s/files/1/0431/8478/3509/files/toxebepesivuvikuguzivufon.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_off0000428f.bin32c2370be4d65395d2050c94489878938e5183d010bb09b13ad4dc8dfbd6c143 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x428F | 5336 bytes |
font_01_sfnt_off000054af.bin74cec0024cf82ccb48e497db363b290b7c3501cdf9a31ac08b783b0d65801555 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x54AF | 10036 bytes |
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