MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links, identified as a link farm, with many pointing to disposable hosting. The ClamAV detection and ML classifier strongly indicate maliciousness, likely a phishing or malware distribution scheme. The primary URL, https://lozipotod.ru/strik?utm_term=theoretical+framework+for+nursing+practice, is a key indicator of the malicious infrastructure.
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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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://lozipotod.ru/strik?utm_term=theoretical+framework+for+nursing+practice PDF link annotation
- https://cdn-cms.f-static.net/uploads/4444371/normal_605b96b527168.pdfIn PDF document text
- https://zujuwedidikaf.weebly.com/uploads/1/3/4/3/134375258/7948310.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369935/normal_605318faa0595.pdfIn PDF document text
- http://zopokujejisolan.getenjoyment.net/modegikowedeti.pdfIn PDF document text
- https://cdn.sqhk.co/jorisuzil/ijFojiS/81247534906.pdfIn PDF document text
- https://cdn.sqhk.co/momogajopi/ORidRl9/nogigala.pdfIn PDF document text
- http://jejederepox.medianewsonline.com/kuwekiripu.pdfIn PDF document text
- https://sowibize.weebly.com/uploads/1/3/5/3/135348762/gukukozi_xifopojibila.pdfIn PDF document text
- https://cdn.sqhk.co/lutumodigi/ghjji3l/29000910413.pdfIn PDF document text
- http://majusenise.sportsontheweb.net/pipexulenuzuvatila.pdfIn PDF document text
- https://cdn.sqhk.co/xafazunusa/Qkib1ij/sirunakigaxagonani.pdfIn PDF document text
- https://cdn.sqhk.co/pujapipiwat/jjjiEgf/34562877264.pdfIn PDF document text
- https://cdn.sqhk.co/tasaxasup/ZjejbUG/onedrive_for_business_download.pdfIn PDF document text
- https://cdn.sqhk.co/bumadawab/uieI7jc/vawazobivibukenepagidi.pdfIn PDF document text
- https://cdn.sqhk.co/sowojusawepu/jrghbia/12624107540.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4404500/normal_5fc7a9c4599b4.pdfIn PDF document text
- https://vigagexagadip.weebly.com/uploads/1/3/1/8/131856194/zuririniroxu-pavegunup-gokexetepipap.pdfIn PDF document text
- https://serataxufo.weebly.com/uploads/1/3/1/6/131606193/d2fe9436f.pdfIn PDF document text
- https://cdn.sqhk.co/gajuwagi/jeAgcQp/wetofud.pdfIn PDF document text
- https://cdn.sqhk.co/napumefu/ggghwii/rechargeable_lighter_for_candles.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4505837/normal_60609d10cbab6.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/acac0102-cf41-4e25-b6df-09f63722aae3/20225891588.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/894ad9d7-defc-4a05-9c02-1599c1873f56/notakubujopazu.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_off00010913.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10913 | 5536 bytes |
SHA-256: 14b56b537147aeb25db099faf2fab47e79fbfff65e53257fd5b38fa93689211a |
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font_01_sfnt_off00011bd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BD3 | 10928 bytes |
SHA-256: 05eb47479a50e57884637c9f4a5e64e27654b55feedca4851b49d91e6d6f5dfd |
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