MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by ClamAV as a phishing trojan and by an ML classifier with high confidence. It contains numerous links pointing to compromised WordPress sites, indicating a link farm designed to redirect users. The presence of these links suggests the document's primary purpose is to lead victims to malicious content hosted on these compromised domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160926f760a0b5---65384429446.pdf In PDF document text
- http://hglobaltour.com/FileData/ckfinder/files/20210718_7B2815A6071DF3EE.pdfIn PDF document text
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b866852e997---1874114849.pdfIn PDF document text
- http://buckleyfamilyofdarling.net/clients/0/01/017bf228c8331327bdfb67b1798bff80/File/dafurufaw.pdfIn PDF document text
- http://accessibilite-salle-eau.com/ckfinder/userfiles/files/24146253517.pdfIn PDF document text
- http://dhf-china.com/d/files/wuwamuvumowimod.pdfIn PDF document text
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609bd99a7f20d---14362088885.pdfIn PDF document text
- http://wooshin.kr/uploaded/file/174496156160dd91fd90503.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160724f3a59bbc---50774875420.pdfIn PDF document text
- https://dobre-akce.cz/media/files/file/jemosubavojig.pdfIn PDF document text
- http://108homed.com/userfiles/files/jefupagadofegipuduju.pdfIn PDF document text
- https://adlinefor.com/home/webagen/public_html/korn/data/file/24690974419.pdfIn PDF document text
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d3bf5e28b9---figogiluzisimavodi.pdfIn PDF document text
- http://rauvuonsach.net/images/uploads/files/gosogojixutojugigovetim.pdfIn PDF document text
- https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/78c48057481e0831f33c10721f4dd9ee/9896144353.pdfIn PDF document text
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/16120dd672b683---puwavinom.pdfIn PDF document text
- https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/d5df262a4b96dc7cd2495c081701d5d1/48002348329.pdfIn PDF document text
- https://ringid.vn/ckfinder/userfiles/files/90680482590.pdfIn PDF document text
- http://perfectionistpaintingnj.com/ckfinder/userfiles/files/lilif.pdfIn PDF document text
- http://paglialonga.it/userfiles/files/29455765228.pdfIn PDF document text
- http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/17002651896.pdfIn PDF document text
- https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/5536c00eec6d2ebe44d2643ba5126d4f/zizeluw.pdfIn PDF document text
- http://www.alex-vasilkov.ru/images/wisdom/file/57710125393.pdfIn PDF document text
- https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/c3498e138e7ebc9040094d9be30059ef/14035627716.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=primeros+auxilios+pdf+2018+mexicoPDF 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_off00017e7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17E7E | 11284 bytes |
SHA-256: 6d592ecf2b1c35b7600f95a2a82e1da1fa1385ae91c3049d35c8528d76336294 |
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font_01_sfnt_off00019915.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19915 | 21016 bytes |
SHA-256: 0af725797710622542a594610fb916201d03951f50aef86b878f239d24bd848e |
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font_02_sfnt_off0001ce66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1CE66 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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