MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery via these external links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://medvor.ru/uplcv?utm_term=prelude+bwv+998+guitar+pdf PDF link annotation
- http://laptopplus.be/app/webroot/files/userfiles/files/berisovi.pdfIn PDF document text
- https://pezenasenchantee.fr/userfiles/file/papokenajatenajakudu.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/161342a1446a32---zipisaxoforib.pdfIn PDF document text
- http://www.medicellbank.com/userfiles/files/58332114280.pdfIn PDF document text
- http://tranhdaquydep.vn/upload/files/41577368657.pdfIn PDF document text
- https://adikkedua.com/contents/files/fifunajedafuwuwi.pdfIn PDF document text
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/1613c0dd49a069---44478764977.pdfIn PDF document text
- http://aptekarynek.pl/zdjecia/fck/file/vekobeki.pdfIn PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/ihmncic3tvhjbi99cru2n3rb64/batulozenapuloliwagunike.pdfIn PDF document text
- http://magendans.com/imagefiles/file/dowerumaju.pdfIn PDF document text
- http://fixafilm.se/userfiles/file/51011616820.pdfIn PDF document text
- http://bc-arman.kz/ckfinder/userfiles/files/jitoxife.pdfIn PDF document text
- http://mrcookie.tw/upload/editor/file/221509523216.pdfIn PDF document text
- http://cnsgafgl.netsociality.com/upload/files/zunonawixofovedevupode.pdfIn PDF document text
- http://np-laser.com/upload_fck/file/2021-9-28/20210928085512893075.pdfIn PDF document text
- https://deesudcoolingtower.com/userfiles/file/zolekatitasazubalarorewe.pdfIn PDF document text
- http://dongamold.com/fckeditor/upload_files/file/kipoligenosomudanoj.pdfIn PDF document text
- https://kermanrooz.com/img/files/fusom.pdfIn PDF document text
- http://demo755.webbazaar.com/uploads/15050276044.pdfIn PDF document text
- http://hangzhou.chinatupai.com/web/js/ckfinder/userfiles/files/wakigoxovifupan.pdfIn PDF document text
- http://aotem.com/data/home/qxu1780220113/htdocs/uploadfile/files/73743571112.pdfIn PDF document text
- http://profiklub.sanswiss.cz/files/file/37221929022.pdfIn 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://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_off0000bc50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC50 | 11048 bytes |
SHA-256: 6dcf1ad6e69d3c947a49c3ee1cdf0b56fe5921f898593776a349dc2233afdb4d |
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font_01_sfnt_off0000d5cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5CF | 20192 bytes |
SHA-256: 536b172a2d4051a0a9ff64f55b86b624d3d09fb30b865e73196c4e68fe609690 |
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font_02_sfnt_off00010a0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A0D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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