MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by a machine learning classifier and contains a significant number of embedded URLs. One URL, 'https://ttraff.ru/wix?keyword=alejandra+pizarnik+diaries', is identified as a malicious redirector. The document also exhibits characteristics of a PDF link farm, with numerous links pointing to external resources, many hosted on Shopify. The presence of a malicious redirector suggests an attempt to lure users to a harmful destination.
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/wix?keyword=alejandra+pizarnik+diaries
- https://cdn.shopify.com/s/files/1/0432/2318/7614/files/87865384029.pdf
- https://cdn.shopify.com/s/files/1/0432/7528/8742/files/natchitoches_la_weather.pdf
- https://cdn.shopify.com/s/files/1/0430/8631/5684/files/lsat_logical_reasoning_practice.pdf
- https://cdn.shopify.com/s/files/1/0440/3652/2149/files/lataf.pdf
- https://cdn.shopify.com/s/files/1/0432/3131/4077/files/employee_of_the_month_template_google_docs.pdf
- https://cdn.shopify.com/s/files/1/0432/2502/2621/files/36243712855.pdf
- https://static.usrfiles.com/ugd/c4ccc4_4136341af1c44945b92aeb3701c26371.pdf
- https://static.usrfiles.com/ugd/b8c837_905e9cdaf7a34985affe289ff31e9f70.pdf
- https://static.usrfiles.com/ugd/b8c837_f4b4e6ad63e74aae84127cfbd282512b.pdf
- https://static.usrfiles.com/ugd/b8c837_2cc335b926d94dda95873f10afd7f546.pdf
- https://cdn.shopify.com/s/files/1/0433/6851/3686/files/cisco_3750_wccp_configuration_guide.pdf
- https://cdn.shopify.com/s/files/1/0431/1711/7589/files/21669931746.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_off00008d3c.binbf7757ee66a76bd316f7dae695cc44def340a50e5b4d0f5b216a96532e1c80bc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D3C | 5132 bytes |
font_01_sfnt_off00009ecb.bin588358bcb8505d3f942f920be6d58c4d333a0b47dc4bb9d8a83ffa2fd737b8a2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9ECB | 11468 bytes |
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