MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, including one identified as a link farm on disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded JavaScript likely facilitates the download or redirection to a malicious payload, as suggested by the PDF_SEO_DISPOSABLE_LINK_FARM heuristic.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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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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://lynxitservices.com/ckfinder/userfiles/files/fowizebunutos.pdf In PDF document text
- http://unionnutritech.com/upload/files/45345115397.pdfIn PDF document text
- http://dogalakustik.com/depo/sayfaresim/file/57281844688.pdfIn PDF document text
- http://www.creativitaecomunicazione.it/js/lib/ckfinder/userfiles/files/65686829016.pdfIn PDF document text
- http://solarexperte.ch/fckeditor/editor/images/file/xubafokilitorenubibetexij.pdfIn PDF document text
- https://ls-machinery.com/uploadpic/files/202109061704441439.pdfIn PDF document text
- https://petek.biz/resimler/files/nanosobovefudeto.pdfIn PDF document text
- http://hamkr.com/userData/board/file/79117161635.pdfIn PDF document text
- http://meandnetworking.com/ckfinder/userfiles/files/juwezapesinisug.pdfIn PDF document text
- https://schmitz.cz/res/file/webizegedoteno.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613985005f6b6---11671236556.pdfIn PDF document text
- http://xaydunghoangthanh.com/img_duhoc/files/72428381412.pdfIn PDF document text
- http://qiangka.com/ckfinder/userfiles/files/71623110785.pdfIn PDF document text
- http://yeongwonenc.com/userfiles/file/39490287693.pdfIn PDF document text
- http://caudafotografia.com/userfiles/files/zunosotugim.pdfIn PDF document text
- http://fotografoenricogiampieri.it/userfiles/files/84433847621.pdfIn PDF document text
- http://ccsilver.kr/files/fckeditor/file/39818875661377be9e1f69.pdfIn PDF document text
- https://verticala.ro/images/userfiles/fujexuxobibipe.pdfIn PDF document text
- http://safiorida.nl/operatori/userfiles/file/devizesunanerosenovomevem.pdfIn PDF document text
- https://rdsdealers.com/ckfinder/userfiles/files/kilafusosel.pdfIn PDF document text
- https://ssekolkata.com/ckfinder/userfiles/files/nowajesuvelaniru.pdfIn PDF document text
- http://banglatalkies.com/dynamic-images/cms/file/nizuxo.pdfIn PDF document text
- http://www.gpe-el.pro/ckfinder/userfiles/files/2650093856.pdfIn PDF document text
- http://nscenter.cn/upload/files/87717431749.pdfIn PDF document text
- http://gma.ge/admin/ckeditor/ckfinder/userfiles/files/43853247452.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=how+to+recover+deleted+videos+from+phone+storagePDF 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_off0000cfeb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFEB | 11208 bytes |
SHA-256: 98256fab0b3b3da3752262594ab0981a1feca4558c1db30d13516bb412c0157a |
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font_01_sfnt_off0000e9c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9C6 | 17536 bytes |
SHA-256: 78687f67cf1a04f382a0bcc04cb8411381360c0aaf6b07fa0d809b3d8879eece |
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font_02_sfnt_off000116c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116C5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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