MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm or phishing lure. The presence of embedded URLs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic further support this, indicating the PDF's primary function is to redirect users to potentially harmful external content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 https://crysiq.ru/uplcv?utm_term=what+is+adb+android PDF link annotation
- http://aktifimmo.lu/userfiles/files/gidumafinuxuje.pdfIn PDF document text
- https://villadorottya.hu/uploads/frontend/files/vutodilaladuwokidejivamex.pdfIn PDF document text
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/16132c524d07d4---2931042343.pdfIn PDF document text
- http://tentauto23.ru/ckfinder/userfiles/files/lojumegalatudetivuzob.pdfIn PDF document text
- http://gerocuki.hu/user/file/80854794044.pdfIn PDF document text
- https://hotelpancharatna.com/assets/userfiles/files/minaretozigeke.pdfIn PDF document text
- https://vialivonica.eu/userfiles/files/konifixux.pdfIn PDF document text
- http://bluecreator.biz/ckfinder/userfiles/files/88909976083.pdfIn PDF document text
- http://muabannhagiare.net/images/uploads/files/janarokopirilazeti.pdfIn PDF document text
- http://hstairan.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/30548563769.pdfIn PDF document text
- https://giridhareye.org/ckfinder/userfiles/files/pumomufidixowiz.pdfIn PDF document text
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/nq1bari0vsjo8vrd6gr9cidn7m/sumuxuwel.pdfIn PDF document text
- https://pcparts.fr/ckfinder/userfiles/files/fovobifipebusazew.pdfIn PDF document text
- http://eggtesting.com/admin/uploads/file/pimonanabusur.pdfIn PDF document text
- https://pierreseche.fr/userfiles/file/tukotozijepedeniforepi.pdfIn PDF document text
- http://nowyhotelik.pl/userfiles/file/96284872948.pdfIn PDF document text
- http://tkhomedeco.com/assets/uploads/ckedit/files/20210901211621.pdfIn PDF document text
- https://kitchensofdiablo.com/upload/file/983104314.pdfIn PDF document text
- http://biswasi.com/userfiles/files/mafivij.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/161353c2076f66---fedutesuboxud.pdfIn PDF document text
- http://autoscuolapezzano.it/userfiles/files/4482034734.pdfIn PDF document text
- https://spheresignal.com/app/webroot/userfiles/files/6158087700.pdfIn PDF document text
- http://www.grifin.sk/files/245126022.pdfIn PDF document text
- http://challendor.com/fckeditor/upload/file/wekaronazuzarofom.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_off0000d8e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8E8 | 16880 bytes |
SHA-256: c685993c63dd82fba8a9f28f383a629bdebbabce92fdca0831f561b0c2a40733 |
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font_01_sfnt_off00010545.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10545 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011d5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D5C | 10300 bytes |
SHA-256: ddc5efbd93da28f45432dca471078bab11d34ec128c11ae5947f5e6127ed8eb1 |
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