MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as a malicious PDF by ClamAV and an ML classifier. Heuristics indicate it functions as a link farm, directing users to compromised CMS uploads and disposable hosting, likely for phishing or malware distribution. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic suggests a deliberate attempt to obscure the true destination of the links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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.naturhalles.fr/fckeditor/userfiles/file/35415268577.pdf In PDF document text
- http://czernavendeghaz.hu/admin1/file/guduki.pdfIn PDF document text
- https://nic-irq.com/userfiles/files/nuvasowuwumobisad.pdfIn PDF document text
- http://bafiti.com/sklep/userfiles/file/59986497887.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131c0f9436a6---rebeb.pdfIn PDF document text
- http://yasaitogo.com/uploads/files/3163446650.pdfIn PDF document text
- https://textosl.com/upload/editor/file/44987494393.pdfIn PDF document text
- https://etonbio.com/newsLetters/images/file/rosavogebu.pdfIn PDF document text
- http://nacyc.jp/Upload/file/xijimajugaderoxijax.pdfIn PDF document text
- http://nato-denkmal.de/uploads/file/nagosixazosikuromufokuku.pdfIn PDF document text
- http://oprandi.it/userfiles/files/16458102065.pdfIn PDF document text
- http://tikatalog.sk/_files/file/89457975457.pdfIn PDF document text
- https://ashasuchikala.com/ckfinder/userfiles/files/70664528031.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/tugepapipevi.pdfIn PDF document text
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1614a3894144af---6364253386.pdfIn PDF document text
- http://chayka-svg.ru/files/57528221136.pdfIn PDF document text
- https://best-of-geldanlagen.de/userfiles/file/gubutawejiwowig.pdfIn PDF document text
- https://postelezmasivu-zlin.cz/ckfinder/userfiles/files/gisilebat.pdfIn PDF document text
- http://www.malagatour.es/ckfinder/userfiles/files/56026077134.pdfIn PDF document text
- https://playworkspartnership.ca/sites/default/files/file/wokakifajesirosokafeli.pdfIn PDF document text
- http://ville-dammarie.com/ckfinder/userfiles/files/48436793266.pdfIn PDF document text
- http://dywin.com/uploadfile/files/rupebosedurexibukonedox.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614900c392219---65545646074.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=gradle+build+tool+versionPDF 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_off0000dcff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCFF | 19120 bytes |
SHA-256: a5081d8b6fe56c5ebb778967f03b292137fd9770d277e933fb162f1daf543e6a |
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font_01_sfnt_off00010e9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E9E | 10588 bytes |
SHA-256: 322358b50d53f0f9004badecd030bddacb4039a08d959e3793046630462502a4 |
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font_02_sfnt_off000126ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126ED | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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