MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and numerous external links, many pointing to compromised WordPress sites or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a link farm designed for SEO manipulation. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to redirect users to malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://bilmatbasim.com/userfiles/file/selokezitufitutuwimifeva.pdf In PDF document text
- http://chelseacarpet.com/ckfinder/userfiles/uploads/fisinunomanenobejak.pdfIn PDF document text
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/33341e85f28e8a256e15c06860b391ef/mefefoni.pdfIn PDF document text
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/i9per0q9huipsk6uq8tb9psou7/95822063857.pdfIn PDF document text
- http://cetis156.neutronds.com/assets/js/ckfinder/userfiles/files/13751850783.pdfIn PDF document text
- http://propellerclubsandiego.org/uploads/files/wisolulekij.pdfIn PDF document text
- https://flexrocksrollovers.com/wp-content/plugins/super-forms/uploads/php/files/lbgs2pb4t2himbdkj053gqh6jf/mamosuxazetetekesu.pdfIn PDF document text
- https://holycrosshealthcare.com/userfiles/files/bugoluwelibiz.pdfIn PDF document text
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b34da295c5---fezekafadilak.pdfIn PDF document text
- http://gabident.pl/local/userfiles/file/kiwixasirov.pdfIn PDF document text
- http://www.como-grup.ro/fisiere/file/mopekiripiponasel.pdfIn PDF document text
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb09f281d8---japezozuvowanojixif.pdfIn PDF document text
- https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/160e936c390810---3500558607.pdfIn PDF document text
- http://csc020.com/userfiles/file/20210724035847_4dkm7c.pdfIn PDF document text
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075cc48a246a---rorugofumomewozuzun.pdfIn PDF document text
- http://fittbike.hu/files/file/33354228373.pdfIn PDF document text
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/160acc6ffa44ca---rerixomu.pdfIn PDF document text
- http://metamorfoza-krosno.pl/userfiles/file/43688150390.pdfIn PDF document text
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160f4066a90fa2---27732219510.pdfIn PDF document text
- http://haenuri.net/ckupload/files/gevibuliluf.pdfIn PDF document text
- https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/be399f16a8ebec36ec21e9d84f072d79/91467795434.pdfIn PDF document text
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609b7f8fa7580---nopegeweruwijuf.pdfIn PDF document text
- http://www.cafeinca.com/img/public/contenido/file/84886106106.pdfIn PDF document text
- https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/m4ib341ia2gfh51eg12hkq05dn/tuvisabedewukuzilulumu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=wizards+of+waverly+place+season+1+episode+16PDF 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_off00010700.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10700 | 11052 bytes |
SHA-256: 7bf7aa030070881c2bf1993bd1226ea11e7c34b6a27ab19d47045c68c7500c84 |
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font_01_sfnt_off00012102.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12102 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013914.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13914 | 17876 bytes |
SHA-256: 4250193244ff2febedef9082c3065dd28a4d94eee230a7bc77de46549ae5bb90 |
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