MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://midufefew.ru/strik?utm_term=aspiraci%25C3%25B3n+de+secreciones+en+neonatos+pdf PDF link annotation
- https://nagipabusodeza.weebly.com/uploads/1/3/1/4/131453106/kozofotopigaludef.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375884/normal_6026235ab1314.pdfIn PDF document text
- http://kokulotasuz.mygamesonline.org/quimica_inorganica_ejercicios.pdfIn PDF document text
- http://bulewedulipofam.iblogger.org/zulabepida.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369638/normal_5febaf79e3f24.pdfIn PDF document text
- https://jenifamizoj.weebly.com/uploads/1/3/5/3/135319667/fimuroxo.pdfIn PDF document text
- https://duvirimak.weebly.com/uploads/1/3/4/6/134603536/wewisizire.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4474448/normal_5fd62810bf980.pdfIn PDF document text
- http://rasudilikid.mywebcommunity.org/septic_tank_leach_field_design.pdfIn PDF document text
- https://sisareses.weebly.com/uploads/1/3/1/4/131454440/lawiseluwelenamidu.pdfIn PDF document text
- https://sixinezuze.weebly.com/uploads/1/3/4/8/134883495/4adf344178ac6e3.pdfIn PDF document text
- http://xovijezup.mywebcommunity.org/61184478587.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413583/normal_5ff49a8b89456.pdfIn PDF document text
- http://wejuveziwep.mypressonline.com/tejidinanupurifodenujidax.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/8a094643-b832-4d39-b8a7-efd71e818f4f/salvation_army_housing_association_application_form.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d1fa3582-c7d2-41e0-9f3b-707ed21f066f/fudasupotaxixakuvodugiwe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aa530084-c103-4e9d-aaee-5eeb430eee13/bixesokutujokigirisixagi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2cae44e2-1945-4b5f-8e73-5ac4f62a0dbd/dopijijokajam.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/395c24ec-e687-4729-8d00-eb2b840761a1/69031135241.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9c2b10cc-ae90-4ced-8ce4-4fd6839b6f8a/lover_unbound_summary.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/170b9bbd-2e37-40f8-9d7d-7609e8988f1b/what_is_dmso_gel_good_for.pdfIn PDF document text
- http://duzatip.rf.gd/how_to_dispute_legal_costs.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ebf0f177-29ff-4739-944b-4311b87f00b0/19094126112.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/93650885-6997-4443-b6ae-7a15af1af4fb/cada_um_mora_onde_pode.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_off00010de5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DE5 | 5244 bytes |
SHA-256: a895cd5cbe3b874567b482e44d3aa0e47112455b693fc424aba657adf33bd98b |
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font_01_sfnt_off00011f8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F8C | 12732 bytes |
SHA-256: 271292b479b01acec016d695f80bcea4b157ba11e6539922daf391b440d95199 |
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