MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with at least one identified as a malicious redirector. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector, suggesting an attempt to trick users into clicking malicious links. The ML classifier also strongly indicated maliciousness.
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://cctraff.ru/strik?keyword=bearing+materials+pdf In PDF document text
- http://files.momentum-lab.com/uploads/1/3/1/6/131636697/larebuwarex.pdfIn PDF document text
- http://files.juliehui.co/uploads/1/3/1/6/131637896/1170513.pdfIn PDF document text
- http://disotoku.nmoc.co.uk/uploads/1/3/1/3/131382271/2757029.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0463/3342/7873/files/letorapobobadetoku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0457/4435/7532/files/dawepavosukokev.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4854/1079/files/canara_bank_personal_loan_application_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6277/1358/files/72103093589.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2946/2165/files/58996624193.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d567922d-85f4-4542-96b3-11febb122cfe/modezab.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d8b475bb-bcd6-44e5-9ce9-a1e8997a2d5d/12456960894.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000080fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80FC | 5408 bytes |
SHA-256: 5c4c69e54bcd8626176aaa62c5c99d13de9c23b8ae8cd1dafa73035cb1d862be |
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font_01_sfnt_off0000934f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x934F | 10180 bytes |
SHA-256: e49c6233cc76fc9cea2c771d1ea673dc0cdf78b46db1d295bcb7a15bebdc393b |
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