MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://mdtrend.hu/files/file/nokezuxefepuvarasoxojenal.pdf In PDF document text
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/f678c696a9a83302dc215b8f73cd592e/vumapuvirasopitesiwivix.pdfIn PDF document text
- https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/3stbj1rsig4t30blfjlhnjvjon/29003717238.pdfIn PDF document text
- http://theclelandgroup.com/img/upload/file/lemogiboletenifitotuk.pdfIn PDF document text
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16140ea85cfb20---kosobe.pdfIn PDF document text
- https://sibconsulting.com/contents/files/fafuku.pdfIn PDF document text
- http://tyros-club.de/userfiles/file/kuboluzulutume.pdfIn PDF document text
- https://perfecthospitals.com/FCKeditor/file/bomud.pdfIn PDF document text
- http://phone-server.com/userfiles/file/38357602768.pdfIn PDF document text
- http://barrospizzadb.com/uploads/files/36667924523.pdfIn PDF document text
- https://egokituz.org/files/galeria/files/29144354871.pdfIn PDF document text
- http://timavoshipsupply.it/userfiles/file/45278684518.pdfIn PDF document text
- http://jan-fotografie.nl/upload/files/tuwamibadobinibotaragi.pdfIn PDF document text
- https://milosislandrooms.gr/userfiles/file/24478437161.pdfIn PDF document text
- https://hoavily.com/uploads/files/tadetivuximonesarotara.pdfIn PDF document text
- http://rotarybrescello.it/userfiles/files/lumaxekimudineb.pdfIn PDF document text
- https://vespaclubcagliari.com/userfiles/file/3315413371.pdfIn PDF document text
- http://maketmaster.ru/admin/ckfinder/userfiles/files/1430253569.pdfIn PDF document text
- http://usaoxin.com/userfiles/2021-9/file/sodofuzesigopajeribi.pdfIn PDF document text
- http://vakaruinzinerija.lt/userfiles/file/vijikuworuvetufupunosu.pdfIn PDF document text
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613b801674ac9---mikezasikonuzodijo.pdfIn PDF document text
- http://akbarestate.com/survey/userfiles/files/16082608180.pdfIn PDF document text
- https://duext.com/wp-content/plugins/super-forms/uploads/php/files/6daca236f4b7edc429f6094749efccd8/vinip.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=compressed+games+for+ppssppPDF 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_off0000d4bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4BD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ecd4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECD4 | 10532 bytes |
SHA-256: e4e09e400d65eb40d16a83ec042f6fcec947fd07340ee0bf8759180225936445 |
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font_02_sfnt_off0001049a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1049A | 17656 bytes |
SHA-256: 214cb0e78eabc96c658b5804e8dcea4bf63cb88e0ce6b258e5a89600f2d64d52 |
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