MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as 'Pdf.Phishing.Trojan' and the ML classifier assigned a high probability of maliciousness. Several heuristics indicate the PDF contains a link farm pointing to compromised WordPress sites and disposable hosting, suggesting an attempt to redirect users to malicious content. The embedded URLs, while some are marked benign, are part of a larger pattern of link farming, likely intended to host phishing pages or malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/dd242eb59f583986b569d28c088e3b0f/rofovadikuvixatipumuvi.pdf In PDF document text
- https://togeltop.net/contents//files/62343718837.pdfIn PDF document text
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/fc3tn8kqeed46sb326r4q10dle/geraluros.pdfIn PDF document text
- http://writtenmail.com/upload_images/file/95630739230.pdfIn PDF document text
- http://theettiaresottawa.org/clients/e/e8/e8f54e69a7463df9fd0adff13cd8e90f/File/25958109484.pdfIn PDF document text
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16098a71fe9da0---77981028767.pdfIn PDF document text
- http://artecgroupservices.com/imagenes/file/dulegugemonexatajupi.pdfIn PDF document text
- http://viorina-deko.com/images/file/mipes.pdfIn PDF document text
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/e9ba8388e51805b11303d2959b08bef1/vakijudosozuwol.pdfIn PDF document text
- https://ijacr.net/assets_admin/ckfinder/core/connector/php/uploads/files/sijutazupu.pdfIn PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5df0b3cede---wemogolusilegejub.pdfIn PDF document text
- http://infinity-pro.ru/userfiles/file/teperagulabewa.pdfIn PDF document text
- http://dae-young.kr/upload/fckeditor/file/dewafawakolofarubewos.pdfIn PDF document text
- http://4bx.pl/public/file/15098654083.pdfIn PDF document text
- http://omegapizza.net/uploads/files/61966649540.pdfIn PDF document text
- http://rhondadejean.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fukawofunepuda.pdfIn PDF document text
- https://bursakaynak.net/userfiles/file/tutebufoj.pdfIn PDF document text
- http://vasvaripalmuzeum.hu/upload/file/37881581092.pdfIn PDF document text
- http://hillsclinic.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/11974102793.pdfIn PDF document text
- https://bibonatura.hu/ckfinder/userfiles/files/91209623668.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=divorce+papers+pdf+louisianaPDF 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_off0000d5ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5AE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000edc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDC5 | 10680 bytes |
SHA-256: a037d63c916979622e53e0c21846493c5ac5d739e08d95aeaa546efaf7720623 |
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font_02_sfnt_off00010653.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10653 | 17116 bytes |
SHA-256: 5ea984f3511cda11ad512e4a8d0dda820605bcf70877ad3053a0ae1d5d03d380 |
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