MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, indicating it likely contains exploit code. It functions as a link farm, with numerous embedded URLs pointing to external PDF files hosted on various domains. The presence of a link farm suggests an attempt to obscure the ultimate destination or to distribute multiple malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 http://av72-reklama.ru/userfiles/file/163073596915a2c2fe6d12bdc21e16.pdf In PDF document text
- http://shippingengineering.com/files/ckeditorothers/gonufodesefekazufex.pdfIn PDF document text
- http://obkladacstvikolar.com/content/pogitubuvuxobafebagadulu.pdfIn PDF document text
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613143b235245---39540561486.pdfIn PDF document text
- http://romengo.com/ckfinder/userfiles/files/badovejojifew.pdfIn PDF document text
- http://cleversystems.ru/userfiles/file/tumadupomas.pdfIn PDF document text
- http://anhuishangbiao.com/upload_fck/file/2021-9-16/20210916043231524531.pdfIn PDF document text
- https://amursvoidom.ru/media/files/91631437246.pdfIn PDF document text
- https://www.kiemtoandongnghi.com/public/plugins/ckfinder/userfiles/files/wovaju.pdfIn PDF document text
- http://naso10.com/userData/board/file/lekudibijixune.pdfIn PDF document text
- https://globalmediaminds.com/uploads/files/bofizi.pdfIn PDF document text
- http://xn----1-6cdapb2bdyqawnpcindqfc.xn--p1ai/media/file/71121235819.pdfIn PDF document text
- http://www.aunay-sous-auneau.fr/ckfinder/userfiles/files/39012073493.pdfIn PDF document text
- https://yodobashi-church.com/tubitipofipetipudameseji.pdfIn PDF document text
- https://yaofangpeixun.com/upload/files/budoxevabuseralimojola.pdfIn PDF document text
- http://printrun.nl/userfiles/files/ridanadozuvivusular.pdfIn PDF document text
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ac32d87079---63561835217.pdfIn PDF document text
- http://bouwbedrijfbouwheer.nl/userfiles/file/88916772917.pdfIn PDF document text
- http://montpellier-business-plan.eu/mbp/upload/images/images/upload/ckfinder/vutojuzibesuri.pdfIn PDF document text
- http://circolosilverblufitnessclub.eu/userfiles/files/33769030258.pdfIn PDF document text
- https://hzautomatisering.nl/userfiles/file/fererodupob.pdfIn PDF document text
- http://studiozammuner.eu/userfiles/files/fizovukeb.pdfIn PDF document text
- http://agedwedfjtj.pretty-match.com/upload/files/17455782462.pdfIn PDF document text
- http://yucehukuk.com/resimler/files/tavagaxuvusejugomaxewagek.pdfIn PDF document text
- http://posicert.com/upload_fck/file/2021-9-17/20210917084852439020.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=best+app+to+download+gta+5PDF link annotation
- 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_off0000ea19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA19 | 10648 bytes |
SHA-256: 5c5c0e82f9352e6284f31c8a514f1491fe08a128ab560dd3ea3c86e26e4a7c52 |
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font_01_sfnt_off00010294.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10294 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011aa6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AA6 | 18464 bytes |
SHA-256: c24daf0855038b2bd8597bc66571ceb840a43fd28b18e4a4472d76a2491ac4c8 |
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