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-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://midufefew.ru/123?utm_term=asynchronous+and+synchronous+data+transfer+schemes+pdf PDF link annotation
- https://static.s123-cdn-static.com/uploads/4384030/normal_5feea0d1472d8.pdfIn PDF document text
- https://tijoteveduno.weebly.com/uploads/1/3/4/8/134853829/sorug.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4482216/normal_6052c12be6eae.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4457843/normal_602a3f9bafb63.pdfIn PDF document text
- https://katopogovalasa.weebly.com/uploads/1/3/5/4/135401177/jimagakidasometag.pdfIn PDF document text
- https://xiwabedosebu.weebly.com/uploads/1/3/1/3/131398066/8342604.pdfIn PDF document text
- https://gusobenatidisa.weebly.com/uploads/1/3/4/4/134475091/tamog.pdfIn PDF document text
- http://gudokav.sportsontheweb.net/mobile_application_development_textbook.pdfIn PDF document text
- https://xojakonokixamu.weebly.com/uploads/1/3/1/1/131164577/tirudetubipajidi.pdfIn PDF document text
- http://jusukigib.sportsontheweb.net/encyclopedia_britannica_en_espaol_gratis.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4469135/normal_600ce3d7e1bf6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4477401/normal_600f447d30e85.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4460071/normal_5ffb5d2e2f92b.pdfIn PDF document text
- https://nogalagamepet.weebly.com/uploads/1/3/0/7/130738620/sovel_lorupovu_lanisixawufeba_fitepeka.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388065/normal_5fd90f7ea8268.pdfIn PDF document text
- https://sunajekivogemaz.weebly.com/uploads/1/3/4/8/134895881/d2aeff32.pdfIn PDF document text
- http://motorutovibipe.sportsontheweb.net/40391397678.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481285/normal_6041f9028f49c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451542/normal_5fe788dc7fc96.pdfIn PDF document text
- https://rawabupabazokiz.weebly.com/uploads/1/3/2/6/132695668/5722649.pdfIn PDF document text
- https://kirorasonosa.weebly.com/uploads/1/3/4/7/134743937/3241413.pdfIn PDF document text
- http://leseweremizew.scienceontheweb.net/how_do_i_get_ij_scan_utility.pdfIn PDF document text
- https://rukufutuseju.weebly.com/uploads/1/3/4/7/134748195/5440733.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kavibajegis.onlinewebshop.net/wuvidodin.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_off0000e9c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9C8 | 5456 bytes |
SHA-256: 198f7cd7638312f4ae7af804b97d4f042667ee2d9e45b057bd81945345128197 |
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font_01_sfnt_off0000fc38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC38 | 10784 bytes |
SHA-256: 19a6564729aa906787819a37560b3c32efa3b6f88e237a0478f16ce9153547d7 |
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