MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URLs, many pointing to compromised WordPress sites, suggesting it functions as a link farm or redirection mechanism. The primary purpose appears to be directing users to external sites, likely for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://inwebjor.ru/uplcv?utm_term=passacaglia+handel+halvorsen+piano+pdf PDF link annotation
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/8c94ee07f06c0af6bd2951f0199364be/tiregeti.pdfIn PDF document text
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1611fe957a3619---83141068509.pdfIn PDF document text
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/q332gnpemu3n82ogg2gu3cusq2/40411264352.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/fnfat8s9s0htbkvm9vmf2ugf5g/sifozit.pdfIn PDF document text
- http://sarica.com.tr/ckfinder/userfiles/files/kagegamodaruraxabepidok.pdfIn PDF document text
- http://isystemlab.com/admin/ckfinder/userfiles/files/zezekaketaregepajerid.pdfIn PDF document text
- https://firesystem.ro/imagini_ws/movinedavofew.pdfIn PDF document text
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160ac59cf7886d---79287980393.pdfIn PDF document text
- http://sun-tes.ru/files/file/tasanazosegaxodajesofeg.pdfIn PDF document text
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160befd03c9daa---sugesivagujinomiru.pdfIn PDF document text
- http://anhuizhkj.com/upload_fck/file/2021-7-13/20210713035741883475.pdfIn PDF document text
- https://aaaxxion.info/images/file/35332174635.pdfIn PDF document text
- https://ihappywash.com/uploads//files/202108121718155253.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071de312e670---91416549613.pdfIn PDF document text
- http://anapharmata.hu/ckfinder/core/connector/php/files/torapikaxolemuzijeg.pdfIn PDF document text
- http://ipublicity.cz/data/file/naruzofawezitebososodexep.pdfIn PDF document text
- http://uforoi.com/app/webroot/uploads/files/46885666680.pdfIn PDF document text
- http://am-assets.com/aom/magnolia/userfiles/file/46186459282.pdfIn PDF document text
- https://cosplay-expo.it/ckfinder/userfiles/files/pugafizaliz.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/74766956946.pdfIn PDF document text
- http://topcudental.com/img/userfiles/files/limutaxipapiwas.pdfIn PDF document text
- http://phs1961.com/clients/2/29/29da8dc1278d8f1c58a3d16208bcb4e7/File/xudojipun.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607f27e106e8e---bovejajaji.pdfIn PDF document text
- http://md-servicios.com/userfiles/file/kumoke.pdfIn PDF document text
- 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_off0000caf4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAF4 | 10868 bytes |
SHA-256: b4596cd4f7dfe1dfd7b0cec496ad19069beb28437f0119a2f7daac65b3d6c63b |
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font_01_sfnt_off0000e3cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3CC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fbde.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBDE | 18480 bytes |
SHA-256: 17d707da381e6de98e1df71345120b4c4ce456126e2ec1233d8c696c49fbc500 |
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