MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress sites, suggesting a phishing or malware distribution scheme. The presence of numerous unknown URLs further supports this, as they likely host malicious content or redirect to phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/6bt66pk65ed3gkm2qcpfns4dgs/72273922372.pdf
- https://binarbaidequipment.com/public_html/userfiles/file/94713413008.pdf
- http://bighost.vn/uploads/userfiles/file/91490104991.pdf
- http://findmecakes.com/userfiles/files/62545867236.pdf
- http://mnwebdesign.dk/userfiles/file/93669069511.pdf
- http://erdivigado.hu/userkepek/file/budixumoxapifokagufijoxe.pdf
- http://dnepropress.net/files/file/dinixaxukuditugi.pdf
- http://www.celso.org/download/18663321033.pdf
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160abe8c4ea128---58074798763.pdf
- https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609e89c272a1d---94774219838.pdf
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076d0e51e1ac---47820081350.pdf
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/9ae54f379644a947f7a4759d7ff2c634/23768552551.pdf
- http://thsport.dk/ckfinder/userfiles/files/raxuvukoteriwipuru.pdf
- https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1606c6e0f14178---28454562966.pdf
- http://zhengfutz.com/v15/Upload/file/2021514193251291.pdf
- https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/79c3008fefcabf15889b16918ae8bf32/55920444358.pdf
- https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/be156d70744e967d2af847f390b90c79/juvalilevurixepusasuk.pdf
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/ac5e3f1e6975d857030e945e2f1740fb/zagulowipusirura.pdf
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/p3k0f3828q4a530okmpsrnbs94/zoxuz.pdf
- http://drivingschool-brno.eu/files/xaxekivoxoposoxugafej.pdf
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/fb2127684484f686b77f37343db84374/nuxusolunefajebifareku.pdf
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609be82d9d91b---32665708407.pdf
- http://mousike.it/img_ins/files/11783336402.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=figure+drawing+practice+images
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000101f6.bincc381365c1a820ec204917ce1a8a5c49c57d7e2231b657ce26260b2a0566998c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101F6 | 16804 bytes |
font_01_sfnt_off00012d5e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D5E | 16792 bytes |
font_02_sfnt_off00014575.bind2769bb2c9b764a32fe22c621e02de479b24be958a0d7f2af31934b5e1607359 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14575 | 10852 bytes |
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