MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm with numerous URLs, including one pointing to known malicious redirector infrastructure. The document body, while appearing to be educational content, is a lure to direct users to these external sites. The presence of multiple links and the ML classifier's high confidence indicate a malicious intent to redirect users to potentially harmful content.
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=actividades+de+acentuacion+de+palabras+agudas+graves+y+esdrujulas+para+imprimir
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/764aaa_1df65544cf9c45f69ce8711b2ba3d95d.pdf
- https://static.usrfiles.com/ugd/c7a620_8bb4ce78b68a4f8a99fc5ca2154bc3ef.pdf
- https://static.usrfiles.com/ugd/565485_1782684ad3e74860953b11d9b18607fe.pdf
- https://cdn.shopify.com/s/files/1/0431/1498/7669/files/lexum.pdf
- https://cdn.shopify.com/s/files/1/0437/6684/1505/files/kepamuwamivij.pdf
- https://cdn.shopify.com/s/files/1/0430/5872/5018/files/pawodibotota.pdf
- https://cdn.shopify.com/s/files/1/0438/9234/2939/files/relevance_and_admissibility_of_evidence.pdf
- https://cdn.shopify.com/s/files/1/0432/7338/8190/files/fejomanilinekenulurotele.pdf
- https://cdn.shopify.com/s/files/1/0458/1258/0518/files/20498284125.pdf
- https://cdn.shopify.com/s/files/1/0431/5162/2305/files/vorotogilomogurofiwe.pdf
- https://cdn.shopify.com/s/files/1/0432/3701/5719/files/acid_base_and_salt_class_10th.pdf
- https://cdn.shopify.com/s/files/1/0430/9070/6589/files/nozogefituvazivig.pdf
- https://cdn.shopify.com/s/files/1/0462/8126/1205/files/66672172218.pdf
- https://cdn.shopify.com/s/files/1/0437/9394/0629/files/beginner_english_book.pdf
- https://cdn.shopify.com/s/files/1/0446/5029/9555/files/pica_de_atrahasis.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_off000066bc.bine2bf98f38ea493d2b3a64df9984f3b5feeef6d3a6c065148572d9f9f0132d9e8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66BC | 5760 bytes |
font_01_sfnt_off00007a3e.bin33e5747ad603c92b7e603e19d27db7fa84be93497a35cc28a7c8765208e48d7b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A3E | 10552 bytes |
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