MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains numerous links, including one pointing to a known malicious redirector at "https://ttraff.ru/wix?keyword=ash+vte+treatment+guidelines". The document body, though heavily obfuscated, appears to contain similar text, suggesting a lure to disguise the malicious intent. The presence of many benign-looking PDF links is likely a tactic to obscure the malicious redirector within a larger link farm.
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=ash+vte+treatment+guidelines
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/4977/1430/files/aha_statin_guidelines_2013.pdf
- https://cdn.shopify.com/s/files/1/0431/3694/2231/files/political_cartoon_analysis_worksheet_middle_school.pdf
- https://cdn.shopify.com/s/files/1/0438/4158/5314/files/2751784337.pdf
- https://cdn.shopify.com/s/files/1/0460/1869/1239/files/zipovagoxurepi.pdf
- https://cdn.shopify.com/s/files/1/0438/8116/9051/files/books_and_authors_list_2020.pdf
- https://cdn.shopify.com/s/files/1/0432/8144/9118/files/positefebaludevaxukag.pdf
- https://cdn.shopify.com/s/files/1/0429/0209/3987/files/24774128765.pdf
- https://cdn.shopify.com/s/files/1/0448/0283/4594/files/sample_acting_resume.pdf
- https://cdn.shopify.com/s/files/1/0438/1615/7344/files/mastoiditis_cronica_tratamiento.pdf
- https://static.usrfiles.com/ugd/837d34_0d4f3bf9811644c2b757ccc7e9ebd78e.pdf
- https://static.usrfiles.com/ugd/d54300_e38f4b7c8491473b911e16223cfb5917.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_off00006a51.bin7cd8a59a71c4f51f00e9f772cab4b795cf4a715e3adc018892059420e1835b23 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A51 | 5288 bytes |
font_01_sfnt_off00007c29.bin5a50d774346ba9d749e402ae256f9c07fcd861a7fa04bd67f1b5234a75024fcf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C29 | 10008 bytes |
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