MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
The PDF file contains a large number of external links, many pointing to disposable domains, suggesting a link farm or redirection scheme for malicious purposes. ClamAV and ML classifiers identified the file as malicious, likely a phishing or trojan delivery mechanism. The presence of embedded URLs and the nature of the heuristics indicate an attempt to direct users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://vilenefex.ru/award?keyword=los+temperamentos+del+ser+humano+pdf PDF link annotation
- http://max-lifting.store/karma_guide_probuildsjj92v.pdfIn PDF document text
- https://zademufexek.weebly.com/uploads/1/3/4/7/134765537/xagup-feloxadofujekaz-ligesuke-sijiterupo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4457838/normal_5fd6688e6c71f.pdfIn PDF document text
- http://evromotors.net/washington_department_of_licensing_report_of_salefr1pp.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407997/normal_6015bf884c324.pdfIn PDF document text
- http://idealica-official-it.website/jugufulofuzow0vj9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368731/normal_602afed83f904.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4443617/normal_5fcbf594e49ff.pdfIn PDF document text
- http://klyshsheff.xyz/fafejodatar1e8c6.pdfIn PDF document text
- https://varijamali.weebly.com/uploads/1/3/1/8/131856150/148177.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387699/normal_600d81f7aee3f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4467285/normal_5fe42972d6466.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4387430/normal_5fdfb986244fd.pdfIn PDF document text
- http://beamorem.com/cat_s_cradle_full_book6cao0.pdfIn PDF document text
- https://manabuvajej.weebly.com/uploads/1/3/4/8/134847277/sulubowogeresorilo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484632/normal_600c48203af26.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/0032946d-64dd-41d5-ad22-7a4fa02d62bc/hush_hush_becca_fitzpatrick_movie.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/64b36595-6f76-4f1b-9ef5-120bc44621a7/tapesabu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cae23c94-fa40-4534-b687-00a68372e6b1/xodarepurubo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fc22b273-bbf5-4d8a-a20e-4c11986d4d4f/surah_mulk_arabic_text_english_translation.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a8f55526-a1f7-4be0-9f4d-a1fc66895134/94792319578.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bef42383-6bc2-4886-bbf4-6f98ac629f02/lexus_gx_460_for_sale.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_off00010047.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10047 | 5220 bytes |
SHA-256: 2745ee20ec61525278130859f69b5dfd2eed18f65d9d743cad819101f6f49e6e |
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font_01_sfnt_off000111da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111DA | 10944 bytes |
SHA-256: f1e01475d274e164bac40fa1f970f57b89c10956090afd9cd3c04bdac6ecb308 |
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