MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to external websites. Several heuristics indicate that these links are part of a link farm, with some hosted on compromised WordPress sites. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://magazinul-de-instalatii-sanitare.ro/app/webroot/files/userfiles/files/xojinel.pdf In PDF document text
- http://phutungotodungha.com/img/files/gepikokibipulowiloretajuv.pdfIn PDF document text
- http://portableandcool.com/files/files/dasogufajovebutesogum.pdfIn PDF document text
- http://viettelhaiphong.me/data/dulieu/files/8168819577.pdfIn PDF document text
- http://ge-mak.com/files/visesatop.pdfIn PDF document text
- http://pnktools-th.org/ckfinder/userfiles/files/gapuvorawisoparovalidu.pdfIn PDF document text
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133d3a8d563f---49059257123.pdfIn PDF document text
- http://ji-tien.com/userfiles/file/mogurekewinetekaro.pdfIn PDF document text
- http://vcelari.naceradec.cz/includes/ckfinder/userfiles/files/42510630213.pdfIn PDF document text
- http://sieuthibongda.net/ckfinder/userfiles/files/xikefugatalez.pdfIn PDF document text
- https://inprovitbrasil.com/ckfinder/userfiles/files/josunaketavifuxo.pdfIn PDF document text
- http://aroma-es.site/yamituki-n/uploads/files/3652290179.pdfIn PDF document text
- https://piataafacerilor.ro/app/webroot/files/userfiles/files/medesunudotoridune.pdfIn PDF document text
- http://graficaeformazione.it/userfiles/file/benagojilojobine.pdfIn PDF document text
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613318fcaad5b---wesedosezotadebuw.pdfIn PDF document text
- https://nirmalujjwal.com/public/ckfinder/userfiles/files/zosul.pdfIn PDF document text
- https://cpsguffanti.it/uploads/file/2504049004.pdfIn PDF document text
- http://liga-stf.ru/i/upload/files/60888864366.pdfIn PDF document text
- http://mcap.cz/images/uploadedimages/file/16010008956.pdfIn PDF document text
- https://luyenthitoeic.info/userfiles/file/mugevimelifoxufezewe.pdfIn PDF document text
- http://rollfactorytogo.com/uploads/files/46125247273.pdfIn PDF document text
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613355b67a5ca---26722342805.pdfIn PDF document text
- http://leebyunghun.kr/new/upload/board/files/jelab.pdfIn PDF document text
- http://www.mattig-accounting.bg/fisiere/file/sepowulezijovuwejagozibes.pdfIn PDF document text
- https://beruanglucu.com/contents/files/27877733896.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=how+long+can+you+freeze+a+whole+chicken+forPDF 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_off0000cb8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB8B | 10792 bytes |
SHA-256: 821cfe81bfa66658c99a17778ea4aa0f5a0460d348b527a7590cba4620988ba0 |
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font_01_sfnt_off0000e46e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE46E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fc80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC80 | 16432 bytes |
SHA-256: fd11efda685b1a7cf7e3b0187de0aa4e0f387fc94594d1720b39b8da48d2e1ab |
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