MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress uploads and other domains, suggesting a phishing or malware distribution scheme. The embedded URLs, despite one being marked benign, are the primary indicators of the attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613062d048587---tozid.pdf In PDF document text
- https://medius.sk/userfiles/file/karomugodejizebu.pdfIn PDF document text
- http://casier-a-bouteilles.fr/file/93394729849.pdfIn PDF document text
- https://bnbcostaverde.it/userfiles/file/36033642433.pdfIn PDF document text
- http://kant21.com/userData/board/file/fabisapejakusurajaj.pdfIn PDF document text
- http://nuocmambason.com/upload/fckimagesfile/615f3b85297e34cc91465431dd0f7a41.pdfIn PDF document text
- https://gmnavarra.es/ckeditor/files/46734713575.pdfIn PDF document text
- http://www.alex-vasilkov.ru/images/wisdom/file/fisosomibavej.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/149f56eacf5ffda16487cab1187d02e8/dilubatovegi.pdfIn PDF document text
- https://ykitraders.com/UserFiles/file/xokukovijug.pdfIn PDF document text
- http://nzozkrowodrza.pl/uploads/editor/file/55897274749.pdfIn PDF document text
- https://olterus.net/contents/files/jajewasipum.pdfIn PDF document text
- https://xosobacninh.vn/webroot/img/files/18117556527.pdfIn PDF document text
- https://mehreganimaging.ir/images/upload/files/79705932317.pdfIn PDF document text
- https://zagorjeadventureteam.hr/files/51959425428.pdfIn PDF document text
- http://unitec-egypt.net/userfiles/file/vowuwubu.pdfIn PDF document text
- http://tentauto23.ru/ckfinder/userfiles/files/bizuxikivilomovaguzi.pdfIn PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a696f2eabe---lirumu.pdfIn PDF document text
- http://mediaworld.pro/ckfinder/userfiles/files/dasikob.pdfIn PDF document text
- http://tostonet.cl/ckfinder/userfiles/files/notiritilatevanuvi.pdfIn PDF document text
- https://www.uflo.edu.ar/ckfinder/archivos/documentos/xokuwepo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=parallel+space+root+accessPDF 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_off0000d949.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD949 | 10172 bytes |
SHA-256: 31019ac283835aa6d1fab6cc5274e565972510618bb1d17999c56932bf8bc8f4 |
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font_01_sfnt_off0000f03a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF03A | 18128 bytes |
SHA-256: a6fc66313f24998c730ed8f173855bdcaf12ebcfa1c2b6f18c7622c2cd20d5ad |
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font_02_sfnt_off00011fc0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FC0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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