MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier, indicating malicious intent. It functions as a link farm, with numerous URLs pointing to compromised WordPress sites, suggesting a phishing or SEO spam campaign. The PDF structure itself is minimal, with the primary function being to host these external links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607165e412a34---suwetoxiruz.pdf In PDF document text
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/db10e9fa6fe5338faf1a30ae674f0a0d/nemimokatowovunitulam.pdfIn PDF document text
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/7eb7e598644324248327ac91252ed9db/tizidapepipepuzuzuloxe.pdfIn PDF document text
- http://sepremprod.fr/www/images/mediamanager/90972133907.pdfIn PDF document text
- http://qkmedica.com/uploads/userfiles/file/73466670695.pdfIn PDF document text
- http://kondicionery-ivanteevka.ru/upload_picture/file/97548299838.pdfIn PDF document text
- http://urgentcarepb.com/userfiles/file/69046675693.pdfIn PDF document text
- https://anglarill.net/userfiles/file/kazuvapepatizagebupe.pdfIn PDF document text
- http://proxima-design.cz/files/file/33580849901.pdfIn PDF document text
- http://nationalcoopadvisors.com/userfiles/files/33280974029.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/odirorf5alhmc3il5uiikkh9ss/82433097485.pdfIn PDF document text
- http://autowassenindex.nl/images/uploads/4198173351.pdfIn PDF document text
- http://doingthing.com/downloads/blog/geust/files/74692876897.pdfIn PDF document text
- https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/4e93db080af91dd8b2dcc034ae8b2456/64431948122.pdfIn PDF document text
- http://1day2night.com/UserFiles/file/tulixesenasazofug.pdfIn PDF document text
- https://alsterparkett.de/wp-content/plugins/super-forms/uploads/php/files/512q7v41kfmnhhg8fiv1iqv83i/61480366074.pdfIn PDF document text
- https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/05bb2440ef6c93f6d75258c099464b1f/7067754473.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/16117b45324e88---36899800902.pdfIn PDF document text
- http://pijntherapie.be/uploads/files/razimopoladudilom.pdfIn PDF document text
- https://canoe.ro/Extras/ckfinder/userfiles/files/wovur.pdfIn PDF document text
- https://remini.hu/userfiles/file/3222857501.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=uno+card+game+rules+pdfPDF 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_off0000d50a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD50A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ed21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED21 | 10880 bytes |
SHA-256: 1cba049d3c9ab372c1f4ad9ba28ec6267568586459c71ca93da993ec41865269 |
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font_02_sfnt_off00010610.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10610 | 16960 bytes |
SHA-256: a447a85a1ad09cc1fa70cfd606dc8f8fb9ead10bcd667cc28f609980384b791c |
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