MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many pointing to disposable domains, indicating a link farm or SEO spam campaign. The primary malicious URL identified is https://nipisod.ru/strik?utm_term=les+proph%25C3%25A9ties+de+nostradamus+pdf+gratuit, which is likely used to redirect users to further malicious content or phishing pages. The ML classifier and ClamAV detection strongly support the malicious verdict.
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://nipisod.ru/strik?utm_term=les+proph%25C3%25A9ties+de+nostradamus+pdf+gratuit PDF link annotation
- https://cdn-cms.f-static.net/uploads/4409244/normal_5fd60e9339d78.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4477409/normal_605be04cd1584.pdfIn PDF document text
- http://tezijexipilimo.getenjoyment.net/xaxifusunikifawixukuxada.pdfIn PDF document text
- http://gukiduwonaxinef.getenjoyment.net/ashrae_standard_90._1_free.pdfIn PDF document text
- https://jogivugu.weebly.com/uploads/1/3/2/7/132740949/kapolejab_bakasavozatazu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389097/normal_5fd73fb852a7d.pdfIn PDF document text
- https://nametipij.weebly.com/uploads/1/3/1/1/131164318/gakilubavomal_mulas.pdfIn PDF document text
- http://loziwazekon.medianewsonline.com/zodusobatim.pdfIn PDF document text
- https://zomerasojukoluw.weebly.com/uploads/1/3/4/7/134769652/8356939.pdfIn PDF document text
- https://petominezejoza.weebly.com/uploads/1/3/2/3/132303337/4280976.pdfIn PDF document text
- https://nurufumetexode.weebly.com/uploads/1/3/5/3/135323779/nukojiroduzaju.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://da9d63b4-fbfd-4f6f-88e7-06ac0d76355b.filesusr.com/ugd/ca300b_0aa3a4ba6849488e9843d92e9dd0cb6f.pdf?index=trueIn PDF document text
- https://315736c7-1030-4200-8d24-05c9f4951019.filesusr.com/ugd/d19ca0_543ed84388304d98942c39f76e427719.pdf?index=trueIn PDF document text
- https://6fd4412c-3e6e-4f21-a9af-8137ffc6c0d9.filesusr.com/ugd/03469c_fb630a86744347629e2ba1937cfb0cd1.pdf?index=trueIn PDF document text
- https://15319a82-8c66-4906-b3c2-464277991f2b.filesusr.com/ugd/070acf_36546640ca6540bcba6de117f4f79d91.pdf?index=trueIn PDF document text
- http://gogujigasad.onlinewebshop.net/93240887969.pdfIn PDF document text
- http://gutekuretejapoj.onlinewebshop.net/fairy_tail_anime_seasons_in_english.pdfIn PDF document text
- https://973697ad-ffa4-4f9d-85cd-0c9d1ea039ee.filesusr.com/ugd/5f5755_40a63ec7a84943e88e8d15076119ea05.pdf?index=trueIn PDF document text
- https://b5526579-b22d-45a0-8251-9885a72cf3eb.filesusr.com/ugd/0cd019_4cc3920a81234f68978238695a3488b0.pdf?index=trueIn PDF document text
- https://1ceef7f3-d523-4f80-a0a4-3aed54d3d17a.filesusr.com/ugd/48841a_98d1b8ef758342d3a607094f5a916801.pdf?index=trueIn PDF document text
- https://502e425a-54a0-4661-a3e6-c6e116bdb13d.filesusr.com/ugd/10da26_7cb019d069984b348a8796288364b635.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000efa5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFA5 | 5508 bytes |
SHA-256: b49fcc164e209e59d7867a5083f82314c678e52a7186e4fcc4e84b825421a66f |
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font_01_sfnt_off000101f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101F6 | 13152 bytes |
SHA-256: 2f36c1016e1e03d7edb71a45be91a5afd7c11ec6993731fc5b19d3990f375b97 |
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