MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojanized PDF. It contains numerous external URIs, with one pointing to a suspicious domain ('leonvi.ru') that is likely part of a link farm designed to redirect users. The presence of multiple disposable host domains further supports a malicious intent to distribute or phish. No scripts were extracted, but the PDF structure and embedded URLs suggest an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 5
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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 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://leonvi.ru/strik?utm_term=holmes+ultrasonic+cylinder+humidifier+instructions PDF link annotation
- http://faxixovojaja.sportsontheweb.net/vargmul_1_to_100.pdfIn PDF document text
- http://fapasevusiledap.mygamesonline.org/xamorox.pdfIn PDF document text
- http://sparzha.club/jeviwokidf54r.pdfIn PDF document text
- http://fawanajaxape.22web.org/how_to_construct_an_isosceles_triangle_with_given_base_and_altitude.pdfIn PDF document text
- http://lugabev.mygamesonline.org/theories_and_approaches_to_industrial_relations.pdfIn PDF document text
- http://getliterate.online/angle_relationships_puzzle_worksheetbng4y.pdfIn PDF document text
- http://helper-badges.com/traductor_google_ingles_espaol_gratis_descargar6gsii.pdfIn PDF document text
- http://tavafotuzefox.sportsontheweb.net/xpert_bcr_abl_ultra.pdfIn PDF document text
- http://fb-copyright-help-from.com/fevukofobugapelamusikis7245.pdfIn PDF document text
- http://jnatural.space/22690815583hz0mr.pdfIn PDF document text
- http://jogajep.medianewsonline.com/91378718582.pdfIn PDF document text
- http://pagavopalubutu.scienceontheweb.net/90916492872.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://bevetobepo.rf.gd/cesar_aira_la_guerra_de_los_gimnasios.pdfIn PDF document text
- https://s3.amazonaws.com/tiniruru/grade_7_essay_writing_worksheets.pdfIn PDF document text
- https://s3.amazonaws.com/mefonevimimix/fogofux.pdfIn PDF document text
- http://nejojofumitob.rf.gd/sandesh_news_paper_surat.pdfIn PDF document text
- https://s3.amazonaws.com/numegubowalonan/47796233454.pdfIn PDF document text
- http://xudonujedetatik.epizy.com/xitedoxuromonodefos.pdfIn PDF document text
- http://dezobod.onlinewebshop.net/sql_developer_interview_questions_and_answers_for_experienced.pdfIn PDF document text
- http://peledopa.myartsonline.com/zowuruzafeja.pdfIn PDF document text
- https://26f2e344-8444-46ea-90c9-5a893bcc2fb3.filesusr.com/ugd/b8c837_d9554d889ba640de963747498ac69e68.pdf?index=trueIn PDF document text
- https://4541bc1c-e35c-4de3-bb44-1f53c3e1a56d.filesusr.com/ugd/68f66e_ca25e14ca6284abbb7b735cdbde29cda.pdf?index=trueIn PDF document text
- https://6f672a44-e16c-4921-a0f1-e3781c0647c5.filesusr.com/ugd/bda22a_e34b35e5f0cf452b8c5a724884e8658a.pdf?index=trueIn PDF document text
- https://599b09cd-7b6a-4758-94a3-08a08d316165.filesusr.com/ugd/628a76_1fb95e50b2f74625902a224c5c9afb66.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_off0000ec53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC53 | 5324 bytes |
SHA-256: 484d186751b2dc53d1b9d310c528c5fe6b0db6863c8030dec9a871e1471ff40e |
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font_01_sfnt_off0000fe43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE43 | 12112 bytes |
SHA-256: 87d731d0cabbb35af1870a7fca70337204f6ee02958c0bb96c2760463ee030c1 |
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