MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The primary URL, https://mezovuduw.ru/strik?utm_term=viper+alarm+5305v+wiring+diagram, is presented as a wiring diagram, likely a lure to encourage clicks. The ClamAV detection and ML classifier strongly indicate malicious intent, consistent with a phishing or malware distribution campaign.
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://mezovuduw.ru/strik?utm_term=viper+alarm+5305v+wiring+diagram PDF link annotation
- https://cdn-cms.f-static.net/uploads/4531626/normal_606133ffa4f19.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370090/normal_600f54c4aecfb.pdfIn PDF document text
- https://duxevuwelinabim.weebly.com/uploads/1/3/4/3/134353564/9242130.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4390350/normal_6025f50716272.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374698/normal_603fa52b9ea42.pdfIn PDF document text
- https://vatilevemuwaji.weebly.com/uploads/1/3/1/4/131453872/bigeviriraso.pdfIn PDF document text
- https://bipesulevawitod.weebly.com/uploads/1/3/1/4/131437914/pagotakobopaxif-funotubej-jemebenonabo-dubabezumu.pdfIn PDF document text
- http://xufikefizot.sportsontheweb.net/fisiopatologia_de_cancer_de_colon_y_recto.pdfIn PDF document text
- https://cdn.sqhk.co/kulobibab/hJHijjj/wozasigel.pdfIn PDF document text
- https://cdn.sqhk.co/pubodegosog/hhVYiah/62633111331.pdfIn PDF document text
- https://fapifejoj.weebly.com/uploads/1/3/4/2/134265577/najasufebuvofibisoz.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://f18b8dc1-3ce9-44bd-8712-01435d039869.filesusr.com/ugd/b97cba_5d91cd35122b4281872ff636e01a3a9b.pdf?index=trueIn PDF document text
- http://wonanikapudidak.atwebpages.com/lupumewajivividupiz.pdfIn PDF document text
- https://4ab51db4-2ab9-4ce7-8cf9-a7235cd4f8a6.filesusr.com/ugd/c6359c_151b6ecc580f43d9a041f7c8a0a3ad15.pdf?index=trueIn PDF document text
- https://8b5ac0f3-2bc4-49a6-9a99-2541af31b215.filesusr.com/ugd/f2ef67_b80e393c36e34b9891d33c1501e0e4d4.pdf?index=trueIn PDF document text
- https://45e41439-46a4-4c97-84f0-155cfeda4cef.filesusr.com/ugd/9d7ad9_97d702dcbaa04dd4bc1762d10c51201e.pdf?index=trueIn PDF document text
- https://86146b48-cf95-488a-b5a0-22832f4589a6.filesusr.com/ugd/3b4eee_35b14e29c2f24378942485fdfbf5b864.pdf?index=trueIn PDF document text
- https://34184745-b1ec-4725-b105-60c94cc90871.filesusr.com/ugd/63369f_53e2de088e394887b6c9b10545d7e07a.pdf?index=trueIn PDF document text
- https://901c4554-6fda-40bf-8344-1f1538f5dc06.filesusr.com/ugd/a76634_50d6e8fe375342399161726c0d93cf48.pdf?index=trueIn PDF document text
- https://aca56392-15ae-48e8-982c-fdf6c4ac0dc3.filesusr.com/ugd/00c070_6ca15021ba8247c4beddf61c4cd8cb31.pdf?index=trueIn PDF document text
- https://3176e400-c268-4dc0-8d69-08eae86937f8.filesusr.com/ugd/ea2f88_63281b9e449f463aa4bcc6e7f86b2bb6.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_off0001226e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1226E | 5648 bytes |
SHA-256: e33ff7a44e15a0209e86bf9ad7d83b1004f4f17abd8dc58007009e43db441037 |
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font_01_sfnt_off000135a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135A6 | 11916 bytes |
SHA-256: d18de19a219c566c7f3690a5ebde140277d44589915c7ba8be49fd1f8c4cc7c6 |
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