MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, with one pointing to a suspicious domain (vilenefex.ru) that is likely used for phishing or to host a secondary payload. The presence of a link farm suggests an attempt to obscure the true malicious destination or to distribute various lures.
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/strik?utm_term=rowenta+steam+care+one+smart+temperature+iron PDF link annotation
- https://static.s123-cdn-static.com/uploads/4477408/normal_5fc5d630629b8.pdfIn PDF document text
- http://bukobaxaz.getenjoyment.net/51690551010.pdfIn PDF document text
- http://veruvipavopa.getenjoyment.net/wexusewipibamaxiv.pdfIn PDF document text
- http://jotafitosixa.getenjoyment.net/ielts_writing_task_2_academic_vocabulary.pdfIn PDF document text
- http://hotsales-com.xyz/fepobibibakubununot2ten.pdfIn PDF document text
- http://instapriz24.online/15449514951wkk6d.pdfIn PDF document text
- http://cookwellbakewell.com/20441144237efw31.pdfIn PDF document text
- http://xevusezes.medianewsonline.com/the_new_inductive_study_bible_esv.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420430/normal_5fd19bbf0b731.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/1d344534-92dc-45a6-9ac4-6f1680706b4f/writing_tools_50_essential_strategies_for_every_writer.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9d086d9d-b637-43f0-862a-da61f1763469/common_mistakes_in_spoken_english_india.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/68dfe339-c5af-436e-89c6-cc1bed043571/2015_jeep_grand_cherokee_parts_manual.pdfIn PDF document text
- http://zikoliduxa.atwebpages.com/plano_arcos_de_la_frontera.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f74b119d-4df2-4a5d-a1d4-bbc4d0fcd0ee/how_do_i_reset_my_cuisinart_convection_bread_maker.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d59c6b37-408e-4e5a-8ca5-d5690ff86bb9/list_of_iatf_certified_companies.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/814f0d08-0479-4daf-8052-1f809ff69902/lasko_ceramic_tower_space_heater_reviews.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/42696b6e-fd23-4eae-9117-c59939119a6a/what_are_the_three_main_types_of_business_activity.pdfIn PDF document text
- https://a765b249-d442-4b07-8ea9-8318d996b894.filesusr.com/ugd/902d29_1d51bfd280364cb292afac57350e1df7.pdf?index=trueIn PDF document text
- https://0b7b936c-93ac-4a60-9644-6ba220b934cc.filesusr.com/ugd/b4bf80_9078385d198d4d80a46d9426bcf86a0a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/df1550dd-4500-406b-920b-388f384e71d0/jepifuvokamamujuket.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/217b020a-ebcc-4729-bc53-c9fd47897db7/mecanica_vectorial_para_ingenieros_dinamica_11_edicion_gratis.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_off00010403.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10403 | 5144 bytes |
SHA-256: f998f0bb04d2c82e101a636e20ee818ba3e495d194e00d41b0a75956515f8958 |
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font_01_sfnt_off00011588.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11588 | 10964 bytes |
SHA-256: 55bd605cdc75dced18b9dae1294ce528209aac4eef1d5bc14c49bec3d35843c3 |
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