MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, suggesting it's part of a link farm designed to redirect users to malicious content. The embedded JavaScript likely facilitates the redirection or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://allytemp.ru/uplcv?utm_term=10th+digest+pdf PDF link annotation
- http://internationalnetworksolutions.net/files/In PDF document text
- https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/3c7b389271c5d714a621c7c6bc020589/bogofakowalupozizubovopi.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4457e9def1---vawanululaxononuzopijaso.pdfIn PDF document text
- https://caribemed.com/userfiles/file/jowamixodomog.pdfIn PDF document text
- https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160860e31f1a54---9413347955.pdfIn PDF document text
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/ef238117d898d09e6bdfeb08e1a9cf7a/dizuforidagidebitifepas.pdfIn PDF document text
- https://jaurrieta.net/USERFILES_JAURRIETA/files/8229420151.pdfIn PDF document text
- http://volvo-cars.jp/js/upload/files/43170333060.pdfIn PDF document text
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/6a36285ead8ffaabaca5133c641be7c5/82955685317.pdfIn PDF document text
- http://ecohort.com/userfiles/files/94275181002.pdfIn PDF document text
- http://cecev.com/stockages/files/78422872506.pdfIn PDF document text
- http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/160c6043c9c63a---41651862080.pdfIn PDF document text
- https://siroyensao.com/upload/files/fixupijikafutozegumuvu.pdfIn PDF document text
- https://puppometalli.eu/file/gasojiluzifure.pdfIn PDF document text
- http://marcth.pl/media/fck/file/62481215905.pdfIn PDF document text
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/c1e33b848da07eaa2ffe413486536a3b/66437046587.pdfIn PDF document text
- https://fidelishospice.com/ckfinder/userfiles/files/nikufakodegenefe.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000e7fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7FE | 5064 bytes |
SHA-256: e39495db7efefe8b335519a4dbed48468a18034d241f5a70d328853fdb0fe419 |
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font_01_sfnt_off0000f947.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF947 | 11968 bytes |
SHA-256: 7b24a1916309d500953f997d04499c55e077cb17ba0c703363e080bd81c7aca9 |
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