MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of embedded links, many of which point to disposable hosting or redirectors, indicating a link farm designed to distribute malicious content or phish users. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags a link to 'https://yafferge.ru/strik', suggesting a phishing or malware delivery attempt. The ML classifier and ClamAV detection further support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 6
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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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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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=what+is+acceptance+and+commitment+therapy+training In PDF document text
- https://muragifenujokuf.weebly.com/uploads/1/3/1/1/131164382/kedabekuvarika_xezizizinito.pdfIn PDF document text
- http://wozovumorawoka.sportsontheweb.net/antes_de_partir_libro_completo.pdfIn PDF document text
- https://zutiwemozebej.weebly.com/uploads/1/3/2/7/132712207/c9053a6dc30.pdfIn PDF document text
- https://suzixibaru.weebly.com/uploads/1/3/4/7/134709676/gewizin_zajanotagim_wifozenus_dokavoseveput.pdfIn PDF document text
- http://xijogeziku.66ghz.com/24960769875.pdfIn PDF document text
- http://jexekiraj.sportsontheweb.net/1159033598.pdfIn PDF document text
- http://revilokepudidu.mygamesonline.org/fundamentals_of_molecular_spectroscopy_banwell.pdfIn PDF document text
- http://jodesomuxuduzu.22web.org/financial_accounting_theory.pdfIn PDF document text
- http://satejenojosi.iblogger.org/malayalam_love_whatsapp_status_video_free.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://pubamawuxa.epizy.com/cheran_pandiyan_movie_song_starmusiq.pdfIn PDF document text
- https://68e1e3d4-268d-49bc-a8aa-b119cb10fea7.filesusr.com/ugd/3ceeb9_db1e05ecd9a243638a3d25fd2335345a.pdf?index=trueIn PDF document text
- http://luwulifinuneti.epizy.com/breaker_box_diagram_template.pdfIn PDF document text
- https://e86c6366-0652-46cb-9e1f-5633a133dba9.filesusr.com/ugd/510a18_2ce81bd8bc1c4a3c932fc6476840428a.pdf?index=trueIn PDF document text
- https://eaa62ee9-779c-4a2d-9f50-6c66b019a99c.filesusr.com/ugd/1cc777_212711b68223421a86310d8a90eca23d.pdf?index=trueIn PDF document text
- https://46c19374-600d-43be-a5f2-d8bf07c6fddf.filesusr.com/ugd/cc94a4_0a1441d4d4964bc484825f8ec4911e78.pdf?index=trueIn PDF document text
- http://binalidagu.epizy.com/xuzozoso.pdfIn PDF document text
- http://radizala.epizy.com/verbos_regulares_en_ingles_pasado_presente_y_futuro_en_espaol.pdfIn PDF document text
- https://6ddb26ad-aa8e-4a3e-a925-5cef6fc035e1.filesusr.com/ugd/d3d820_ecf798e61725464cb7ec4be904e814e9.pdf?index=trueIn PDF document text
- https://bd04a250-715b-4db0-8087-55ec2f714cf5.filesusr.com/ugd/0c2191_72b10846f79641f897cdd757c6bd4937.pdf?index=trueIn PDF document text
- https://3d7c42e8-cad9-4196-8f3c-0f210fd97588.filesusr.com/ugd/1b7c00_5e8ecd7db8394689b342ef08706431f0.pdf?index=trueIn PDF document text
- https://8f20b4bd-83f7-4a55-8c6f-e9501e2e061c.filesusr.com/ugd/c1c462_0f1ed4e174414dd18d6da61c2b30f6f4.pdf?index=trueIn PDF document text
- https://e18e6c05-101e-4f41-9c4d-f518aea09dbb.filesusr.com/ugd/7972b3_d6c7ce689193409a8a2cf5007aa4491b.pdf?index=trueIn 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00012971.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12971 | 5360 bytes |
SHA-256: f1cf76d2b9b47c277c0bc61753508289a7e65e3acae547f6e09966c709a0bf02 |
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font_01_sfnt_off00013b7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B7E | 12080 bytes |
SHA-256: de615b53fbe0bf6eba1c395052715ec8da7938e1fb8889453faaa5c3fe038c6e |
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font_02_sfnt_off00016336.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16336 | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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