MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code within documents. Several heuristics indicate the PDF acts as a link farm, directing users to compromised websites and disposable hosting. ClamAV detection and ML classification strongly suggest malicious intent, likely phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://harckocsik.hu/userfiles/file/8857457666.pdf In PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7b2f0ed010---mifogawanevavavom.pdfIn PDF document text
- http://kaztelcom.kz/ckfinder/userfiles/files/861136820.pdfIn PDF document text
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/160721437e0aa5---fidugatewo.pdfIn PDF document text
- http://yamamatoen-wanwan.jp/ckfinder/userfiles/files/tenulezibaxikolarip.pdfIn PDF document text
- http://workcoop.org/fckeditor/userimages/file/20210822073431.pdfIn PDF document text
- http://educasters.co/ckfinder/userfiles/files/62831378360.pdfIn PDF document text
- https://musikkursus.dk/userfiles/file/64550636302.pdfIn PDF document text
- http://yuhongzg.com/d/files/zifuxikuraxizibevavibipe.pdfIn PDF document text
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/k8qrukurtd2sm8bt9kndlvi5t4/mobawajumiwadufupurutopop.pdfIn PDF document text
- https://bursakaynak.com/userfiles/file/6772626631.pdfIn PDF document text
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ddee77c5fb4---gulejomak.pdfIn PDF document text
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd4f2dc00f---9706414405.pdfIn PDF document text
- http://www.tiendadelbordado.com/ckfinder/userfiles/files/57144793478.pdfIn PDF document text
- http://kimbuunguyen.com/uploads/userfiles/file/40987810919.pdfIn PDF document text
- http://interfacetravels.com/app/webroot/js/ckfinder/userfiles/files/vutozaxeresisipus.pdfIn PDF document text
- https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/sjl159jurga5bc0rkil5mkrc6f/93210059104.pdfIn PDF document text
- http://ncdesign.it/userfiles/files/tewededekifoxogudide.pdfIn PDF document text
- https://kildevangen.dk/files/36814674096.pdfIn PDF document text
- http://ohsongpharm.com/ckfinder/userfiles/files/sizozurumubuzixajuvem.pdfIn PDF document text
- http://urparitet.ru/admin/ckfinder/userfiles/files/tigugaxegototugitafomob.pdfIn PDF document text
- https://manualismedicina.hu/fileok/file/4002110873.pdfIn PDF document text
- http://marta-galan.com/files/varios/file/zenupivu.pdfIn PDF document text
- http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/1595450217609d581761907.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dec10fa4b2a---lutubowulexagi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=wipro+technical+interview+questions+and+answers+for+freshers+pdfPDF 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_off0000e0a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0A6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f8bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8BD | 11108 bytes |
SHA-256: 8589309fc0c25764a7e3a8371055b4eb2a34b19a728d6ec84162e182313c5bd5 |
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font_02_sfnt_off0001126d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1126D | 17452 bytes |
SHA-256: a52ed1632e32e9c141f413642ff72ad22c5b671aed317e14f5e6a381cf6d4a89 |
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