MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, containing numerous URLs pointing to compromised WordPress sites. These links likely serve as a distribution mechanism for phishing or malware, leveraging common vulnerabilities in website plugins.
Machine Learning
- Nyx PDF Classifier malicious score 0.9130
Heuristics 5
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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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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://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1611258f5ae04b---78502089981.pdf In PDF document text
- https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/e9d4d3d83d1f254bb21181e7c3a69278/kexobu.pdfIn PDF document text
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/b9ac6ae1fe44a9dd1f0f97191f318ed9/8027931147.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b4acfec7693---fozidodozemodaw.pdfIn PDF document text
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/1611a11e264d95---fibege.pdfIn PDF document text
- https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/santgehjobjs48vkopu819dpeo/67351694332.pdfIn PDF document text
- https://fishuntpesca.it/file/58240935395.pdfIn PDF document text
- https://vhcvietnam.vn/ckeditor/images/files/70830285057.pdfIn PDF document text
- http://megat.pl/uploaded/fck_files/file/38101550324.pdfIn PDF document text
- http://jubileejec.com/userfiles/files/rozijajivikesegalemana.pdfIn PDF document text
- http://miryangpension.com/FileData/ckfinder/files/20210802_8B2E5AC92F4E19FF.pdfIn PDF document text
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/c107b6fa16228255e295be74d330d6cb/dejoropemunel.pdfIn PDF document text
- https://cvssteelex.com/ckfinder/userfiles/files/xamomekekokaluganexozila.pdfIn PDF document text
- http://kovove-ploty-brany-zabradli.cz/UserFiles/File/fubezedagugomilikaxim.pdfIn PDF document text
- http://zovsh.com/Uploadfiles/files/68169432648.pdfIn PDF document text
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/9a43f3b1da3622f3fe1ce8d4581e6464/tedatelezanabuwaz.pdfIn PDF document text
- https://fajndoktor.cz/images/file/files/49213468466.pdfIn PDF document text
- http://centreforeffectivecoaching.com/media/file/nodatitokimurutikuwixipe.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/43272884837.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/b6fb37ddaa4bbc0c8e9b63b36f7ed19d/winoka.pdfIn PDF document text
- https://ascinfratech.com/clientprojects/trading/file/pujefinomewuxatix.pdfIn PDF document text
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/161220257ec8d0---jigezedifitilajagesiguwaw.pdfIn PDF document text
- https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/84dd487a944428bc5400c700be3a9174/zodovorezanetegotixovas.pdfIn PDF document text
- https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/bdb38d99466337098def596885c3727d/neberawisufatezikudelawu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=human+physiology+class+11+notes+pdfPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA43 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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