MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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=grey%27s+anatomy+script+season+1 PDF link annotation
- http://simpelms.nl/userfiles/files/ribog.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613bd99866cea---zerofolajagaminil.pdfIn PDF document text
- http://noithatlekhanh.com/Images_upload/files/53434586811.pdfIn PDF document text
- https://cungcapthitdetuoi.com/app/webroot/files/images/pages/files/rovegad.pdfIn PDF document text
- http://safiorida.nl/operatori/userfiles/file/39388745004.pdfIn PDF document text
- https://kme.pl/global/app/webroot/uploads/file/16308045830789.pdfIn PDF document text
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/72f7tgunb2sj47sp3dvrm6ubso/makoxovajij.pdfIn PDF document text
- http://ordinate-ltd.com/file_media/file_image/file/povabozatetu.pdfIn PDF document text
- http://zoltysnieg.pl/pliki_wyswig/files/metowatojefugonelox.pdfIn PDF document text
- http://ncfc.com.tr/ckfinder/userfiles/files/nemovafodalafewibugo.pdfIn PDF document text
- http://studioghittigargnano.com/userfiles/files/runupavodoxenomuri.pdfIn PDF document text
- http://vektor28.ru/userfiles/file/menibizekonakaloweju.pdfIn PDF document text
- http://thumpamonpally.com/userfiles/file/49858783872.pdfIn PDF document text
- https://warungmimpishio.com/contents/files/93787291377.pdfIn PDF document text
- http://canavesiobruno-architetti.it/userfiles/files/33178605402.pdfIn PDF document text
- http://tythb.com/uploadfile/files/nopuvunu.pdfIn PDF document text
- http://biemmecommerciale.eu/userfiles/files/bezokuwugebosebapefakol.pdfIn PDF document text
- http://satit.nrru.ac.th/satit/_Adminis/ckfinder/userfiles/files/paguw.pdfIn PDF document text
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1612fa6bd28d35---73990472968.pdfIn PDF document text
- http://wpscrm.in/uploaded_files/userfiles/files/pivigosudedosup.pdfIn PDF document text
- https://sklep-pinokio.pl/web/uploads/files/sorudefiropiw.pdfIn PDF document text
- https://avukatwebsitesi.trakyasoft.com/upload/files/febog.pdfIn PDF document text
- https://frisch.ro/files/file/gelawulolizo.pdfIn PDF document text
- http://nguyenxuanhuong.com/upload/files/nibomelamenexufeviz.pdfIn PDF document text
- http://everest-c.ru/ckfinder/userfiles/files/fivavovijujarekifedazeg.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_off0000e1fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1FD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fa14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA14 | 10728 bytes |
SHA-256: 687b6f0268aa4124855b92cad25bc320c8c5372aa0eba9269a62586a537ff391 |
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font_02_sfnt_off000112e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112E3 | 19276 bytes |
SHA-256: 133c9a09c942d16e9e60bfa963a340be756b2ef136c638e790e1d582a6ac8db3 |
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