MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm or SEO manipulation tactic. One of the primary links, 'https://ttraff.ru/pify?keyword=frecuencia+cardiaca+pediatrica+pdf', is flagged as a malicious redirector. This indicates the document is likely designed to redirect users to malicious infrastructure, potentially for phishing or malware distribution.
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=frecuencia+cardiaca+pediatrica+pdf
- http://files.8book.org/uploads/1/3/0/8/130873927/6fe99e743f9f8.pdf
- http://files.dalesbootery.com/uploads/1/3/2/8/132814306/20529.pdf
- http://files.reparashathashavuah.org/uploads/1/3/1/3/131383673/3216447.pdf
- http://files.match-gems.com/uploads/1/3/0/9/130969243/waruxe-gibotusupuwe-viputefetapaj-walugogigebomev.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/3897/3857/files/zubijumulesatagok.pdf
- https://cdn.shopify.com/s/files/1/0431/2514/5760/files/vepegubegufegiti.pdf
- https://cdn.shopify.com/s/files/1/0432/3786/7687/files/52569169211.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/98559129476.pdf
- https://cdn.shopify.com/s/files/1/0430/1737/1801/files/buvasilujow.pdf
- https://cdn.shopify.com/s/files/1/0431/0309/2898/files/body_beast_lean_schedule.pdf
- https://cdn.shopify.com/s/files/1/0436/2380/9187/files/87790247508.pdf
- https://cdn.shopify.com/s/files/1/0432/4763/2548/files/kupumemitifepaxavesi.pdf
- https://cdn.shopify.com/s/files/1/0430/6694/9799/files/61451986607.pdf
- https://cdn.shopify.com/s/files/1/0431/5758/6071/files/fuvavidaritalenotubasox.pdf
- https://cdn.shopify.com/s/files/1/0429/1392/3228/files/latasoxa.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005e04.bin097d3272f7dfd84805e922c332fc44a2f9e6156588337534f235576011881693 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E04 | 4896 bytes |
font_01_sfnt_off00006ebf.binc755985c6a5d3ce6dfe33fc415852dcef2297c62a9a5030ca2ab9a3995b9e804 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EBF | 10764 bytes |
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