MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, pointing to `https://ttraff.ru/pify?keyword=caduceo+medico+pdf`. This link is embedded within the document body, suggesting an attempt to trick the user into clicking it. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm strategy. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed for malicious redirection.
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=caduceo+medico+pdf
- http://files.septictankpumpinggwinett.com/uploads/1/3/0/7/130738622/e6631b4bc964d8.pdf
- http://files.themercylist.com/uploads/1/3/2/3/132302876/1ee656cd97cd7c.pdf
- https://cdn.shopify.com/s/files/1/0437/7804/8162/files/resumen_de_alcanos_alquenos_y_alquinos.pdf
- https://cdn.shopify.com/s/files/1/0433/4629/6982/files/furitevixirobexuwatido.pdf
- https://cdn.shopify.com/s/files/1/0430/5793/8581/files/99584235774.pdf
- https://cdn.shopify.com/s/files/1/0430/6763/7922/files/jirumupavemitesen.pdf
- https://cdn.shopify.com/s/files/1/0432/1722/3840/files/25908902432.pdf
- https://cdn.shopify.com/s/files/1/0464/6676/0856/files/29227824842.pdf
- https://cdn.shopify.com/s/files/1/0427/6640/1692/files/sojapiwaxapajozen.pdf
- https://cdn.shopify.com/s/files/1/0434/5711/8374/files/fundamentals_of_acoustics.pdf
- https://cdn.shopify.com/s/files/1/0435/0047/0438/files/ascanio_in_alba_mozart.pdf
- https://cdn.shopify.com/s/files/1/0433/4184/0534/files/28313192564.pdf
- https://cdn.shopify.com/s/files/1/0433/4898/3959/files/xanekobalifomudagut.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_off000077ba.bin8e4be65f4f4b23d9ae94ca0808e98317fb512d26654a6b89901ca021f13955e0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77BA | 4900 bytes |
font_01_sfnt_off0000885a.bin15ba331d71aa4cc53138a5d9d9710c08480576a7b955d06a4c84f83bbe5e726a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x885A | 11180 bytes |
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