MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many pointing to external PDF files, which is indicative of a link farm or SEO manipulation tactic. One of the primary links directs to a known malicious redirector, suggesting the intent is to lead users to harmful content. The ClamAV detection and ML classifier further support the malicious nature of this document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://yafferge.ru/strik?utm_term=ventajas+y+desventajas+del+metodo+analitico+sintetico
- https://cdn-cms.f-static.net/uploads/4456989/normal_606383cc00947.pdf
- https://static.s123-cdn-static.com/uploads/4386606/normal_5ffc6b6ea2e3a.pdf
- https://static.s123-cdn-static.com/uploads/4420238/normal_5fee4289a7a86.pdf
- https://tuxenovizomojow.weebly.com/uploads/1/3/7/5/137516496/7294573.pdf
- https://ruvazokof.weebly.com/uploads/1/3/4/0/134040659/dejavevexibagi-japelado.pdf
- https://fokuxadeji.weebly.com/uploads/1/3/4/5/134585395/2a16417cc77c.pdf
- https://vusuvokitajize.weebly.com/uploads/1/3/0/8/130874031/0443833.pdf
- https://cdn-cms.f-static.net/uploads/4372073/normal_6063ce0bcd649.pdf
- https://cdn-cms.f-static.net/uploads/4392439/normal_6069bc6869475.pdf
- https://sadoxeliwuduw.weebly.com/uploads/1/3/4/0/134040540/gewagatitoze_gegigejaj.pdf
- https://rifuxegu.weebly.com/uploads/1/3/4/5/134525143/wakutafapebokagik.pdf
- https://kupefuvewugixo.weebly.com/uploads/1/3/4/8/134849821/temexal.pdf
- https://widosutolitidaf.weebly.com/uploads/1/3/4/8/134847614/4473946.pdf
- https://guxafewesev.weebly.com/uploads/1/3/4/5/134595620/4462613.pdf
- https://static.s123-cdn-static.com/uploads/4385424/normal_6008cc7951209.pdf
- https://cdn-cms.f-static.net/uploads/4445745/normal_605ef59da9f87.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://uploads.strikinglycdn.com/files/707f0963-6b43-41c7-8107-67c550e29107/dewalt_miter_saw_parts_amazon.pdf
- https://uploads.strikinglycdn.com/files/771945c0-11ea-45c7-ae6d-331128263c30/948120094.pdf
- https://uploads.strikinglycdn.com/files/8a03beb1-5705-42b6-a96d-24b9f64d954e/gekag.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fa56.bin67d3c2edba0557e6444db16ed3998624dae7c7ea2043a24b313710beb1267c72 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA56 | 4980 bytes |
font_01_sfnt_off00010b43.bin6db4516914751de829cb48438c5773533a6fe3c050f2baf926a0379c632361f8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B43 | 11876 bytes |
font_02_sfnt_off000131f3.bince7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131F3 | 4324 bytes |
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