MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by multiple heuristics and an ML classifier, with ClamAV identifying it as Pdf.Phishing.Trojan. The file contains a link farm pointing to numerous compromised WordPress sites, which in turn host other PDF files. This suggests a campaign to distribute malicious content, likely for phishing or malware delivery, using compromised infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/f9e4d421f74be22237cd1f9acff52bd3/fewelawenivukodiri.pdf In PDF document text
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/16082faef841fd---78906371348.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b7e5a57cab7---43346238570.pdfIn PDF document text
- http://amon-syotengai.com/userfiles/file/xaxibomojoxogofizaka.pdfIn PDF document text
- https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/2f8e87ade83b2ac54dd8680f4698c5a2/67332022192.pdfIn PDF document text
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160aa201d1ec6a---55615790548.pdfIn PDF document text
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/e0e8487a4e6c8ca9c7f7db7360d1e83a/82282609293.pdfIn PDF document text
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073f80801589---zigimuzu.pdfIn PDF document text
- https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/b2qf2g7bmbar4htt3ul4galj3n/vexereke.pdfIn PDF document text
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/de42566j614uq6eujtmbiqkbe2/87809408076.pdfIn PDF document text
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5fc0e3e49---13335322142.pdfIn PDF document text
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160a6bd8879daf---tiwizinitagej.pdfIn PDF document text
- https://akvaguru.hu/user/file/93045114464.pdfIn PDF document text
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160ac10ca07a21---68953279726.pdfIn PDF document text
- http://dailitara.lt/bites/uploads/file/40726924938.pdfIn PDF document text
- http://grawerlik.pl/userfiles/file/12337177110.pdfIn PDF document text
- https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/m55pe5hqrfbqih5th09o0kjnm7/magugej.pdfIn PDF document text
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160bb2bf5cb4b9---suluzodogajitasa.pdfIn PDF document text
- http://onlineticketreview.com/images/file/98459066681.pdfIn PDF document text
- https://fundreamz.com/ckfinder/userfiles/files/74524819185.pdfIn PDF document text
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/8l3pi39pjlp7v54llhj3vcce1c/bivorawip.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a467103aebe---zixus.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1d1c4c00b---63129117613.pdfIn PDF document text
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160886b30f00b2---tepapedilafagilojowudifo.pdfIn PDF document text
- https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/b8c69822187f5e57bcabab7577e436e0/wutanerafavawotogawavek.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=marriage+in+21st+centuryPDF 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_off00010617.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10617 | 16492 bytes |
SHA-256: 23ead816e261791af6cfe680b17ad8b5412518952840741945209aa708adfba1 |
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font_01_sfnt_off000130ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130CE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000148e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x148E5 | 10620 bytes |
SHA-256: e530ffd8e7d3c64a890e06753ca2aa71dc68d64ceeee4fb727e256ec6ef55f2a |
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