MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a lure text referencing "Lewmar winch repair manual" and embeds a large number of links to external PDF files, many of which point to suspicious domains. One critical heuristic identified a PDF link to known malicious redirector infrastructure. The ML classifier also strongly flagged this PDF as malicious. The document's primary function appears to be acting as a link farm to distribute traffic to potentially malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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.link/wix?keyword=lewmar+winch+repair+manual
- http://files.partyfavorband.com/uploads/1/3/1/3/131398479/1815732.pdf
- http://vimuwodu.swallowthesea.com/uploads/1/3/0/7/130775195/3ecbc4369e1.pdf
- http://pavolero.theenergyalignmentcoach.com/uploads/1/3/2/8/132814930/pigeji.pdf
- http://kusalad.richardeby.com/uploads/1/3/1/1/131164250/xatuxife-lenija-kikojefige-zuziwe.pdf
- http://japofege.sacred-seed.co.uk/uploads/1/3/2/8/132814343/wadamidiribu-xopixinomix-bukoxipew-mokamofegade.pdf
- https://b5eade90-e52c-4a05-bafb-3e1a426eb4ed.filesusr.com/ugd/0d018b_c38d49fdb59e4908b3eef708c09a1a81.pdf?index=true
- https://a1762a50-146f-4696-a126-e32ee8d89274.filesusr.com/ugd/370021_2520ba0c64d547a59a2fc0c5c34c6df4.pdf?index=true
- https://c667fedf-4409-4dde-9b04-97dcb98ba24d.filesusr.com/ugd/733c1f_d1acdae6dd5d48559beed3dca9728b0f.pdf?index=true
- https://3ed332d6-3d58-4f4d-99b3-8afa47b8e543.filesusr.com/ugd/80bfa9_ebff5f473f384454944b308880d32ca5.pdf?index=true
- https://3708007c-d5b4-4769-be1f-3dba6bc5888a.filesusr.com/ugd/6f58fb_18613b2b10d04640bb9806dbfc659707.pdf?index=true
- https://30874e07-26f3-4f3c-a35d-253cbca8f980.filesusr.com/ugd/c162b3_1dcf3a842a2145b1b579de1f30445880.pdf?index=true
- https://1f67c8cf-aa88-47b6-b819-00401d5a5acf.filesusr.com/ugd/bb13a2_d721e8af6d9149229e01817a8f279e2a.pdf?index=true
- https://2c629fcd-1a52-4250-86f2-973d8373ddc7.filesusr.com/ugd/0d002d_4e53e521ca1c4b30a5d4d9a0a0950b02.pdf?index=true
- 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_off00005ea2.binece6e4b73646f40856c5e6f5ce71b4a73cc163ef5da3ef0cd5a366909ac25b2d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EA2 | 5028 bytes |
font_01_sfnt_off00006fa1.bindf482b5a0fc5dba5c7728f7f50e47cb4b57c23d10e4befec1646ec6276fbac8c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FA1 | 9940 bytes |
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