MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document is identified as malicious by ML classifiers and ClamAV, indicating it's a phishing or trojan delivery mechanism. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to malicious sites. The primary malicious URL identified is https://kuzutuzo.ru/strik, which is likely used to serve a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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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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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External URI info PDF_URIPDF contains an external URL action
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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://kuzutuzo.ru/strik?utm_term=total+quality+management+examples+pdf PDF link annotation
- http://tomidubuvizoja.iblogger.org/bobodigobuwep.pdfIn PDF document text
- https://gepemizuwawufak.weebly.com/uploads/1/3/4/3/134335313/gofoxaxesi.pdfIn PDF document text
- http://toxipoxekej.medianewsonline.com/business_plan_for_online_shopping_website.pdfIn PDF document text
- http://domexogod.22web.org/the_search_for_abraxas.pdfIn PDF document text
- https://cdn.sqhk.co/kegetaxob/Y6YjiXa/xegatexepiridinavuxo.pdfIn PDF document text
- https://gusizamavuva.weebly.com/uploads/1/3/4/6/134629738/a0737e3330a7b.pdfIn PDF document text
- https://lixubirenolona.weebly.com/uploads/1/3/4/6/134669397/5418464.pdfIn PDF document text
- https://zixafozete.weebly.com/uploads/1/3/5/3/135349102/geneginozewikiguda.pdfIn PDF document text
- http://xofelivigavas.mywebcommunity.org/zaleni.pdfIn PDF document text
- https://cdn.sqhk.co/bosareke/hjEgiJy/damunebudaloxuvexab.pdfIn PDF document text
- https://cdn.sqhk.co/vexagajezesa/Ljggggo/rafupilivubulududuwudu.pdfIn PDF document text
- http://wexoxunesixu.iblogger.org/2221158197.pdfIn PDF document text
- https://cdn.sqhk.co/wodaximewule/hcdMgdf/zenejev.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://76c9fb28-c10e-4950-85be-37de24a2ede8.filesusr.com/ugd/fa32a6_c2b9b0459449477d9a56d90e028bd238.pdf?index=trueIn PDF document text
- https://bdee3e82-1fe6-4084-b289-f15f5249f83e.filesusr.com/ugd/749937_07435623844f44dd95ed4befe9c70ae5.pdf?index=trueIn PDF document text
- http://zudupaxub.myartsonline.com/are_pointers_cuddly.pdfIn PDF document text
- https://a9f3490c-def6-45ea-9957-aefa341d54bd.filesusr.com/ugd/84b587_22b813158724467d816317df382c76f1.pdf?index=trueIn PDF document text
- https://54179944-c6a3-49b3-9462-5d1939b6aff2.filesusr.com/ugd/49f5ef_3be4246cb8fe49d184e326912dac2acc.pdf?index=trueIn PDF document text
- http://dilutibu.onlinewebshop.net/cechy_podzielnoci_liczb.pdfIn PDF document text
- https://s3.amazonaws.com/simujix/53244294324.pdfIn PDF document text
- https://s3.amazonaws.com/bovenotojitowe/how_to_change_batteries_in_liftmaster_remote_control.pdfIn PDF document text
- https://ddc7b23b-31e5-4b5c-aaad-d3b7cef26861.filesusr.com/ugd/e506b8_7cd115ae04ec4ff6a1dd26d0f23ab4d2.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/polexebuj/finders_keepers_consignment_shop.pdfIn PDF document text
- http://molagegivijoxu.onlinewebshop.net/rezekumekiwa.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_off0000ee1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE1A | 5508 bytes |
SHA-256: 8075e225204053b5249a82f5e597fe8e25e918c8df1f8f0e7b6af8aa3fd1a503 |
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font_01_sfnt_off000100d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100D1 | 10768 bytes |
SHA-256: 7a25ea2a47b16b8d6a7dda163b0f75523042ea097f5dd6dffe869ed5fa720a99 |
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