MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a link farm. It contains numerous embedded URLs pointing to compromised websites, likely intended to redirect users to phishing pages or download further malware. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the presence of multiple distinct hosts hosting PDF files strongly support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160aa256a079c1---7532838414.pdf In PDF document text
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/v8c1na79fq8rojq8lmik51gcti/18666536402.pdfIn PDF document text
- http://kpghomerepairs.com/uploads/image/files/23121928982.pdfIn PDF document text
- http://gentlemensquartersbarbershop.com/wp-content/plugins/super-forms/uploads/php/files/11b43c04c7c3a8ff4b1ed86dbdccbb0b/83249355173.pdfIn PDF document text
- https://art-gallery.mn/uploads/files/51912232580.pdfIn PDF document text
- http://nhatngungoisaoxanh.com/upload/files/vediru.pdfIn PDF document text
- https://golf-tout-terrain.com/publish/page/file/gebukurefoves.pdfIn PDF document text
- https://ferropula.hr/files/fevarolugorudosef.pdfIn PDF document text
- https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/5erthdl7dc5ijo9v6bahu3cgn7/tonezuvuzav.pdfIn PDF document text
- https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/3ghh8hp58ftu3rf2ncioh7jaks/wizatidilitilez.pdfIn PDF document text
- https://palcev.ru/userfiles/file/20561962396.pdfIn PDF document text
- http://makesomenoise.hu/upload/file/53868022670.pdfIn PDF document text
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aeb3c2b3f7---60051013942.pdfIn PDF document text
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095718c6e278---27488016420.pdfIn PDF document text
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/67a2e8690d5f978b47a056ebf98358b4/26421512241.pdfIn PDF document text
- http://auksozvynas.lt/userfiles/file/nexamojoropawili.pdfIn PDF document text
- http://aelma.com/sites/default/userfiles/file/xebejadakatizof.pdfIn PDF document text
- https://avenue102.com/uploads/file/tewurebafasizawuta.pdfIn PDF document text
- http://alemotta.com/resources/original/file/60466605961.pdfIn PDF document text
- http://bclgrouptt.com/userfiles/file/morovoru.pdfIn PDF document text
- https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/c1f9cd29833d8cf82d186563470ba58a/59946039083.pdfIn PDF document text
- http://www.apsetedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082613dcb917---kefivusabaxajaze.pdfIn PDF document text
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160783bc093764---mejovoxin.pdfIn PDF document text
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160705a66a00e6---nimuxovenomixis.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=painting+with+janePDF 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_off0000f445.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF445 | 16936 bytes |
SHA-256: e4fc3e6854d43e91f9d26a232fe54a606f8bea01144ecccd3d8061aed0e2f83c |
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font_01_sfnt_off00012080.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12080 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013897.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13897 | 10172 bytes |
SHA-256: ef472117ace406e8ba83ad36ddedf2cb841586d954d85a7cd7c47cc7254aae3a |
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