MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple compromised WordPress sites and other disposable hosting domains, which in turn host other PDF files. This suggests a phishing or malware distribution campaign leveraging a chain of redirects.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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://gillyard-johnson-mahoney.com/clients/62114/File/sudoro.pdf In PDF document text
- http://splogservice.ru/content/file/komazinoxuso.pdfIn PDF document text
- https://aiaciran.org/cache/fck_files/file/wenivebejoted.pdfIn PDF document text
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160cb5bbb7c4ff---54521041329.pdfIn PDF document text
- http://lrm.mcdonalds.ua/ckfinder/userfiles/files/84587310124.pdfIn PDF document text
- http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072f82738e5e---95744073414.pdfIn PDF document text
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160beefb2176ad---63189430999.pdfIn PDF document text
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/0f1a6e565b07d60965e2f1027145e8cf/wewuvugijujubu.pdfIn PDF document text
- http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/48660769592.pdfIn PDF document text
- http://surtek.biz/image/files/20150115_210329.pdfIn PDF document text
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/vajl9i540opn9v6dk68afrd70r/fejifufusefutexutejido.pdfIn PDF document text
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a000d1b32df---85794155829.pdfIn PDF document text
- http://metabolit-plus.ru/files/file/kisokuwenapepeduso.pdfIn PDF document text
- http://daedukgs.com/admin/fckeditor/data/file/20210831045906.pdfIn PDF document text
- https://erdenet.mn/userfiles/file/72051253322.pdfIn PDF document text
- https://clinicscrm.com/img/files/42579909901.pdfIn PDF document text
- https://bienenaktuell.com/sites/bienenaktuell.com/files/file/63887673567.pdfIn PDF document text
- http://beautybybelief.com/admin/images/file/36824732389.pdfIn PDF document text
- http://home-delighted.com/user_img/files/bogusidozowok.pdfIn PDF document text
- https://liur-krd.ru/userfiles/file/63594650043.pdfIn PDF document text
- http://hyundaidongdo3s.com/images/files/33155667510.pdfIn PDF document text
- http://diskacme.dk/images/upload/file/27959253687.pdfIn PDF document text
- https://poker-fire.de/file/96752812028.pdfIn PDF document text
- http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160a0986fca09a---43340519900.pdfIn PDF document text
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606d126e18e19---14862945157.pdfIn PDF document text
- https://ariaparvaz.com/basefile/ariaparvazcom/files/gebalisunedumoxinakesak.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=gejala+klinis+marasmus+dan+kwashiorkor+pdfPDF 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_off0000c4bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4BB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dccd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCCD | 15196 bytes |
SHA-256: 990dfde5714eb6528242dde71ea8f14c4fb9403eb3b49889fe3250f5c4ced970 |
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font_02_sfnt_off000102ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102EA | 11112 bytes |
SHA-256: 4eca9ffce5fe47a640b2cc70b44ac099dd9673114d625fd0a72a03a3d5d989d0 |
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