MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS uploads. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure suggests an attempt to redirect users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://kapsalonindex.nl/images/uploads/mufasajaxube.pdf In PDF document text
- http://ekopaczka.pl/imgbrama/files/93010552188.pdfIn PDF document text
- http://quaretti.it/userfiles/files/lofisipop.pdfIn PDF document text
- http://benardoutlite.com/admin/fckeditor/fckdata/file/23957861535.pdfIn PDF document text
- https://hankilfood.com/upfile/files/suwawenogitilulovegajo.pdfIn PDF document text
- http://ordinate-ltd.com/file_media/file_image/file/68999016312.pdfIn PDF document text
- http://yameitecl.com/ckfinder/userfiles/files/20210905_053427.pdfIn PDF document text
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/16145e2b73b65a---pulixug.pdfIn PDF document text
- https://www.bramfordgc.co.uk/ckfinder/userfiles/files/59958042556.pdfIn PDF document text
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1615cc3cfe5c01---32996378541.pdfIn PDF document text
- http://dfwsedan.com/nbloom/fckuploads/file/kefoburuvufijumo.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134106097317---72283972142.pdfIn PDF document text
- https://aviatroglo.fr/IMG/file/sixojabe.pdfIn PDF document text
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/noovgcf5tdjcm8vspggfb486tb/95306201261.pdfIn PDF document text
- http://budoprojekt.eu/obrazy/file/74662389615.pdfIn PDF document text
- https://diarch.in/WYSIWYGImage/file/morimurate.pdfIn PDF document text
- https://store-connector.com/_upload_bilder/_filemanager/file/kiwumegijumazevi.pdfIn PDF document text
- http://parentini.it/userfiles/files/20558185752.pdfIn PDF document text
- http://immobilieninvestors.com/userfiles/file/75428451126.pdfIn PDF document text
- http://reckdance.pl/userfiles/file/lovarimetelosatenirav.pdfIn PDF document text
- http://girc.ncue.edu.tw/ckfinder/ckfiles/files/6494407963.pdfIn PDF document text
- http://e-kva.ru/admin/ckfinder/userfiles/files/80131875412.pdfIn PDF document text
- http://mvsexpo.ru/admin/ckfinder/userfiles/files/midinolozap.pdfIn PDF document text
- http://champaigncursillo.com/userfiles/file/67903558326.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=early+1990s+recession+in+the+united+statesPDF 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_off0000f37a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF37A | 18816 bytes |
SHA-256: 43e450e3b6fb769d8b70d11fc75d205e09080900e84dfa41a47d587cd3109e54 |
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font_01_sfnt_off0001238f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1238F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013ba6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BA6 | 11008 bytes |
SHA-256: d12aed28a096b56bf15b89e42fb865467952ad2426b91fe06382a826aff76819 |
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