MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs that form a link farm, directing users to potentially compromised websites. Heuristics indicate these links are used for SEO manipulation and point to disposable or compromised hosting, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://coretry.ru/uplcv?utm_term=megaman+pet+android PDF link annotation
- http://candleelectricals.com/uploaded_files/userfiles/files/79711666470.pdfIn PDF document text
- http://lepal.sk/ckfinder/userfiles/files/6620577413.pdfIn PDF document text
- http://preciz.com/uploads/wysiwyg/files/48598026158.pdfIn PDF document text
- http://parmalab.it/userfiles/files/73694165594.pdfIn PDF document text
- https://www.theknowledgeonline.com/files/lib/ckfinder/userfiles/files/90439027610.pdfIn PDF document text
- http://sushiloverca.com/uploads/files/limovitawud.pdfIn PDF document text
- http://cosmoscm.com/contents/files/24129556833.pdfIn PDF document text
- http://kondicionery-elektrostal.ru/upload_picture/file/zaludarenitabonefanidi.pdfIn PDF document text
- http://tiquital.com/documentos/file/67869322463.pdfIn PDF document text
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161371875897bd---83802724629.pdfIn PDF document text
- https://itandem.net/ckfinder/userfiles/files/fojuwomajuxoxotaz.pdfIn PDF document text
- https://amursvoidom.ru/media/files/xakuxogosatogenapime.pdfIn PDF document text
- https://szalkasszorutacskok.hu/app/webroot/files/content/files/zeveki.pdfIn PDF document text
- https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eec1c17b2c---lidodiwu.pdfIn PDF document text
- http://ride-on-earth.com/images/blog/file/kadex.pdfIn PDF document text
- http://scales-center.com/shop/fck_file/file/7555381567.pdfIn PDF document text
- http://www.gpkoaee.ru/ckfinder/userfiles/files/patoroluwepaf.pdfIn PDF document text
- http://lianbang123.com/uploads/files/202109090349539535.pdfIn PDF document text
- https://maydangson.com/vietkiendo/upload/file/8751803166.pdfIn PDF document text
- https://bluetact.com/ckfinder/userfiles/files/kobajosojemupo.pdfIn PDF document text
- https://0a3exp.com/upfiles/editor/files/wunekerilekavifom.pdfIn PDF document text
- https://esterkins.de/ckfinder/userfiles/files/62629510906.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/16131979a8d30e---61736802094.pdfIn PDF document text
- http://cuacuonnhaxuongbinhduong.com/upload/files/61040983103.pdfIn PDF document text
- http://k-sta.kr/FileData/ckfinder/files/20210907_4A3DFCA7C6296065.pdfIn PDF document text
- http://samtekelektrik.com/files/13601148234.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_off0000f058.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF058 | 20400 bytes |
SHA-256: 2a38d421acd472a5dc909f2a9bd4a4fe1b3caf9a7a78aed7c491b9236048d5a5 |
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font_01_sfnt_off0001259a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1259A | 10516 bytes |
SHA-256: d085ed387dd35c9f5d82c944dff0539d8c5b657ef98c647fd1605eb36760dd44 |
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font_02_sfnt_off00013d40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D40 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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