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 0.9998
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://pelibifir.ru/strik?utm_term=stihl+ts420+instructions PDF link annotation
- https://xogiwudib.weebly.com/uploads/1/3/4/7/134715522/xifakugagedele_maginipu.pdfIn PDF document text
- https://ganepivojo.weebly.com/uploads/1/3/4/7/134774155/d6822167653411b.pdfIn PDF document text
- https://cdn.sqhk.co/julukimesof/geifhd4/smart_manager_gigabyte.pdfIn PDF document text
- http://geleostone.online/240789718692n458.pdfIn PDF document text
- http://idslim-italia.site/whats_the_best_eyelash_extension_kitug4ab.pdfIn PDF document text
- https://cdn.sqhk.co/mawejoxejobe/xjbghgh/national_capital_funding_group_llc.pdfIn PDF document text
- http://unlockdeals.shop/interior_design_games_online_freeu1118.pdfIn PDF document text
- http://lelekelosutov.getenjoyment.net/zojofebi.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
- https://a7193630-a032-4ee2-b136-33837135b76a.filesusr.com/ugd/fac845_4389127703eb41febae1969be8392174.pdf?index=trueIn PDF document text
- https://1ae094b9-110d-4377-a83c-911b29edd90d.filesusr.com/ugd/d5eada_1561721c7cd54859bb218eedb06ebc73.pdf?index=trueIn PDF document text
- https://b133b025-67d1-4190-9e53-fbb99503dec2.filesusr.com/ugd/caf13f_6063fe06bd86443e858c7a7f8242b017.pdf?index=trueIn PDF document text
- http://xobibaga.myartsonline.com/statistical_data_analytics_piegorsch.pdfIn PDF document text
- http://nudoritane.atwebpages.com/ipl_2020_schedule_download_cricbuzz.pdfIn PDF document text
- http://zevusup.atwebpages.com/auntie_anne_s_catering.pdfIn PDF document text
- https://s3.amazonaws.com/putelekireza/microsoft_outlook_ing_old_emails.pdfIn PDF document text
- http://movasedumanepe.onlinewebshop.net/alimentacion_enteral_en_el_recien_nacido_prematuro.pdfIn PDF document text
- https://s3.amazonaws.com/zozofufulolig/walmart_photo_promo_codes_october_2019.pdfIn PDF document text
- https://77483064-5892-4b52-b419-66e751946b77.filesusr.com/ugd/ef7b09_893cfb9430ef4d4983cf3f4a7aa1e75d.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_off000105a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105A9 | 4908 bytes |
SHA-256: 3ab78ace4b21f480de5a9162cb6f8185efc35e3c85ee08ca22d65b08031ef413 |
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font_01_sfnt_off00011643.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11643 | 10732 bytes |
SHA-256: 94f5602beafef9dce9b3c8615e2277ae30de72089832562162c7ab2c62ac991b |
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font_02_sfnt_off00013acd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13ACD | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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