MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to disposable or potentially compromised domains, indicating a link farm designed to distribute further malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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 http://all-premium.com/user_file/files/65841376050.pdf In PDF document text
- http://thsport.dk/userfiles/file/45611500103.pdfIn PDF document text
- https://melz-feu.ru/upload/43850339772.pdfIn PDF document text
- http://badaranquehablar.com/userfiles/files/xodipojekudogi.pdfIn PDF document text
- http://kdbelektrotechniek.nl/uploads/file/30528839836.pdfIn PDF document text
- http://brenno-tojestto.pl/userfiles/file/zugofimalakereniduzoxoke.pdfIn PDF document text
- http://phanphoiongnhuahoasen.vn/upload/files/49489781904.pdfIn PDF document text
- http://mobil-tech.com/files/sanebogemubomadepeladefa.pdfIn PDF document text
- http://jjinline.org/file_upload/file/55814542384.pdfIn PDF document text
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/16135f43b21e01---37451544266.pdfIn PDF document text
- http://bfcy88.com/uploads/files/lejuxadixopube.pdfIn PDF document text
- http://assotechne.eu/userfiles/files/libunaxaxu.pdfIn PDF document text
- http://colantuono.it/userfiles/files/repozesedejemomubotimut.pdfIn PDF document text
- http://poaglasses.com/uploads/files/202109052344138947.pdfIn PDF document text
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16136a862c2367---surusamusugegevilej.pdfIn PDF document text
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/60db3ce831714804af661194415309fc/91037124116.pdfIn PDF document text
- http://jcnjl.com/userfiles/files/63249997779.pdfIn PDF document text
- https://doan295doson.vn/namthuan/images/news/files/59071900234.pdfIn PDF document text
- https://yar-net.ru/userfiles/file/kivuseridolikirujubuk.pdfIn PDF document text
- https://bodymart.in/ckfinder/userfiles/files/90643647121.pdfIn PDF document text
- https://sanaspinler.net/calisma2/files/uploads/dasugukugit.pdfIn PDF document text
- http://4darchitecture.org/img/all/93002554220.pdfIn PDF document text
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f03891d5e5---9285563912.pdfIn PDF document text
- https://jairdefreitas.com/ckfinder/userfiles/files/paxujapokuberuzoteruwude.pdfIn PDF document text
- http://sunmoon-glory.com/web/upload/files/xilavuvawamugudoxatoso.pdfIn PDF document text
- https://needletherapy.eu/upload/file/52001269357.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=parallel+space+64+bit+support+not+workingPDF 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_off0000db52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB52 | 11212 bytes |
SHA-256: 96a7231861a1b4dd24351299e45967b0badd0d83444804a4d0099b362766c0f7 |
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font_01_sfnt_off0000f5a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5A2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010db4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DB4 | 17524 bytes |
SHA-256: dff61a2d29ed99a31846004d4eadcc1014a5a4b308dff105e67ad80cfd92910d |
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