MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a link farm, with many URLs pointing to external resources. Several heuristics indicate that these links are non-clustered and hosted on disposable or compromised domains, including a compromised WordPress upload. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://protradingindia.net/userfiles/file/3269725315.pdf In PDF document text
- https://skinrepublic.vn/webroot/img/files/piwodona.pdfIn PDF document text
- https://libertyrealestate.in/ckfinder/userfiles/files/faguwapudepitopuvi.pdfIn PDF document text
- http://potya.com/walonez.pdfIn PDF document text
- http://rezidencianestor.sk/app/webroot/files/ckeditor/files/figukawomonif.pdfIn PDF document text
- http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/uqo2for69k534f53vt7jkp0i1q/wajasasafidegalex.pdfIn PDF document text
- http://gostinica-domodedovo.ru/files/duxasunisalir.pdfIn PDF document text
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/3242d5f68d8524131b5f9049ab749d3d/zesidotisoz.pdfIn PDF document text
- https://ourguarantees.com/userfiles/file/zabamagisu.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/f0d138abb3f11b6017303fcd07f95d18/90122753351.pdfIn PDF document text
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/16138d906ad1d7---31206880787.pdfIn PDF document text
- https://wecareu.net/ckfinder/userfiles/files/lulepujivikotefefokabara.pdfIn PDF document text
- http://mobil-tech.com/files/6308836504.pdfIn PDF document text
- http://fedime.org/imagenes/77518964973.pdfIn PDF document text
- https://studioconcept-stand.com/fck_userfiles/file/gosimuxulomuvunamexo.pdfIn PDF document text
- https://residenciasanamaro.es/userfiles/files/85262226840.pdfIn PDF document text
- https://heuresromantiques.com/upload/files/8661816472.pdfIn PDF document text
- https://marblobathware.com/app/webroot/img/files/muvulu.pdfIn PDF document text
- http://www.mmd.ntou.edu.tw/ckfinder/userfiles/files/9550854093.pdfIn PDF document text
- https://istocdukkan.com/userfiles/files/6742624486.pdfIn PDF document text
- http://safetruck.gr/images/file/megamigezasef.pdfIn PDF document text
- http://cudicio.it/images/file/33114513447.pdfIn PDF document text
- https://yenhuy.vn/upload/files/32796665211.pdfIn PDF document text
- http://z500.si/files/8496999250.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=phone+to+pc+backupPDF 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_off0000c84e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC84E | 17876 bytes |
SHA-256: fa1b1720877026c92005f1c62c72d2de581ef196233a1712b94890fe2745d696 |
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font_01_sfnt_off0000f62a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF62A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010e41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E41 | 10400 bytes |
SHA-256: 78f2ac32cb420fb46d7850e6508a10a06c9a93cd592d846df7800334c646ee86 |
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