MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV and an ML classifier, and exhibits characteristics of a link farm with numerous external URIs pointing to disposable hosting. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a high volume of links on potentially untrusted domains, suggesting a phishing or malware distribution attempt. While no scripts were explicitly extracted, the PDF structure and heuristics strongly suggest it's designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://medvor.ru/uplcv?utm_term=personalizando+seu+android PDF link annotation
- http://ganteltechnology.com/system/userfiles/file/zukibafanumadijaj.pdfIn PDF document text
- https://ichapps.com/ichapps/ckeditor-ckfinder-integration/uploads/files/kezavakiwisewizirik.pdfIn PDF document text
- http://yourhandmadeitems.com/userfiles/file/31186598173.pdfIn PDF document text
- http://air-con.ru/upload/files/94709914472.pdfIn PDF document text
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/62063963975b6accc26a1379fd6a48e8/58664367796.pdfIn PDF document text
- http://tweddlefoto.com/files_contenidos/upload/files/37999488157.pdfIn PDF document text
- https://clubelsendero.com/img_pag/file/35127565217.pdfIn PDF document text
- http://harchovyk.com/userfiles/file/vuzowudedutazefunaz.pdfIn PDF document text
- http://www.bash.cl/media/file/xodewurik.pdfIn PDF document text
- http://nhatrangpalacehotel.com/app/webroot/upload/files/bifidix.pdfIn PDF document text
- http://dulwichtaxi.com/survey/userfiles/files/72183994023.pdfIn PDF document text
- http://medica-eg.com/userfiles/file/24591148219.pdfIn PDF document text
- http://neonatal-surgery.ru/userfiles/files/pebuwakazidutezodoki.pdfIn PDF document text
- http://lasermedia.cn/userfiles/file/63932872151.pdfIn PDF document text
- http://zapatosperezcabrera.com/ckfinder/userfiles/files/xavajevufamizubanoxodig.pdfIn PDF document text
- http://drairtools.com/ckfinder/userfiles/files/jusopagovavidulaviripoj.pdfIn PDF document text
- http://www.lebedosapartotel.com/data/yukle/files/minunavonejenabozetovidak.pdfIn PDF document text
- http://perfectionistpaintingnj.com/ckfinder/userfiles/files/zilenumuvowaledorojudo.pdfIn PDF document text
- http://dep14kirov.ru/userfiles/file/gisuzutigegabiximepef.pdfIn PDF document text
- https://ichibaninfotech.com/ckfinder/userfiles/files/mogogaseje.pdfIn PDF document text
- http://ladispensadicampagna.it/uploads/assets/file/63252955725.pdfIn PDF document text
- http://fanghsin.com/uploads/files/202109020724014251.pdfIn PDF document text
- http://www.arborvitae.cz/ckfinder/userfiles/files/watuziron.pdfIn PDF document text
- https://australiancaravancentre.com.au/application/third_party/ckfinder/userfiles/files/88928378203.pdfIn PDF document text
- https://xn--80apefbdm9ah5g.xn--p1ai/userfiles/sorawikugebodavirumadov.pdfIn PDF document text
- https://vico-real-estate.com/ckfinder/userfiles/files/jevot.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dc2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC2A | 10304 bytes |
SHA-256: 604bce106dc61297afc34bd2d9d1e8db5c0c2b35e709dba162b33ff9e9b739e8 |
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font_01_sfnt_off0000f387.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF387 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010b99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B99 | 19748 bytes |
SHA-256: bbfde2a3efdb595a3a6ae31d7cd0820c97e36ed87bf15918b70b3ac1815561bb |
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