MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external URIs and links to other PDFs hosted on various websites, indicating it functions as a link farm. Some links point to compromised CMS uploads, suggesting a distribution mechanism for malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://archism.ru/uplcv?utm_term=what+did+david+lloyd+george+do PDF link annotation
- https://www.carnesvarejo.com.br/assets/ckfinder/core/connector/php/uploads/files/658058093.pdfIn PDF document text
- https://bc2000.order-pro.com/ckfinder/userfiles/files/laxij.pdfIn PDF document text
- https://kiptep.ru/file/jumonokatumaminom.pdfIn PDF document text
- http://lanaecoloridabruzzo.it/userfiles/file/razupedurip.pdfIn PDF document text
- http://morebricks.com/ckfinder/userfiles/files/xogowuvaliluzemukoma.pdfIn PDF document text
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/bd1c8ofhgbs6528eksm5saiq64/mivinar.pdfIn PDF document text
- http://simonhoirup.dk/userfiles/file/gunubazaguvopuvafuzol.pdfIn PDF document text
- http://www.uc-kushiro.net/images/library/File/zokipumazeruseketaburixad.pdfIn PDF document text
- http://snabsz.ru/ckfinder/userfiles/files/vudevuninowusibidod.pdfIn PDF document text
- http://rdasesores.gestconcursal.com/editor/ckfinder/userfiles/files/takit.pdfIn PDF document text
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16130eb70094b6---76227976350.pdfIn PDF document text
- https://searchlink.org/userfiles/file/87546473412.pdfIn PDF document text
- https://betenagro.com/sites/default/files/file/jewidatir.pdfIn PDF document text
- https://alienaquatics.com/home/gb/public_html/ckfinder/userfiles/files/55847784670.pdfIn PDF document text
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613961bc5f4a2---penesapesenemikesuwodoliz.pdfIn PDF document text
- http://kingtonkatsu.com/uploads/files/61408339991.pdfIn PDF document text
- http://bjjiffy.com/upload/fevovewigix.pdfIn PDF document text
- https://pediatricpotentialsnj.com/PP/PPpng/files/tatevud.pdfIn PDF document text
- https://greenways.at/userfiles/file/vijepurawolixiwuze.pdfIn PDF document text
- http://camonetinternational.com/files/file/salenukikuxeg.pdfIn PDF document text
- https://ecotranslation.ca/upload/editor/file/fikuxixidenusinisivuwegal.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_off000187c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x187C7 | 10428 bytes |
SHA-256: 40852e86aa0bfa6afa3a5a1bb8d505812cbe5d821d08f84dab40f91083d229d2 |
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font_01_sfnt_off00019f52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19F52 | 18228 bytes |
SHA-256: e6dd99bf824bd8a6a8220cd482558f6da905f187a1c95f8477221b52b11ab752 |
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font_02_sfnt_off0001ce9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1CE9F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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