MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of external links, many of which point to compromised CMS upload directories. This behavior is indicative of a link farm designed to host malicious content or redirect users to phishing sites. The ClamAV detection further supports its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier suspicious score 0.4519
Heuristics 5
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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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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://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/a3c22eb515ad6b62cd7e56c3d9768d67/65822479610.pdf In PDF document text
- http://airsoft1.ro/files/file/gimabarenixavor.pdfIn PDF document text
- http://wawabed.pl/uploads/userfiles/file/xijame.pdfIn PDF document text
- http://mofrantech.com/userfiles/file/62654480267.pdfIn PDF document text
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8c897edcf---sixugosivodawimeriwipak.pdfIn PDF document text
- http://nbpcpentecostalchurch.com/clients/65183/File/41805104905.pdfIn PDF document text
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/sg7qp80v8kain84r8fqe8of33d/zigabuvasunidakopox.pdfIn PDF document text
- https://ontech.vn/images/ckeditor/files/39479867444.pdfIn PDF document text
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d59a2ee0e9---76081613296.pdfIn PDF document text
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/a0f93203d379e610495914b183d9bd1c/gokutabedidufoji.pdfIn PDF document text
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/660cd778d0a15258a5192e253dd64e70/42949697731.pdfIn PDF document text
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ea2049f097de796178aac073a1272875/74388536541.pdfIn PDF document text
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4669ef2f8---89454401091.pdfIn PDF document text
- http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160850c2de7d61---68133092015.pdfIn PDF document text
- http://sparkpro.lv/content/file/77697830674.pdfIn PDF document text
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072288d1b4a9---14685091379.pdfIn PDF document text
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/ad344eef9aeb20463dcd7870720e636a/75391009910.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a32e06028e6---72624808112.pdfIn PDF document text
- http://nebo52.ru/uploads/files/jerojikusutifuneg.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606d167b1d874---warudezib.pdfIn PDF document text
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a05eb78000---faxawemidupef.pdfIn PDF document text
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/16070327fd705f---64809584133.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/sulis84bosnksdchhep9pfj78s/dunovefe.pdfIn PDF document text
- http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607d779e55516---19398829826.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=can+i+resign+for+personal+reasonsPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000125f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125F5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00013e07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E07 | 17808 bytes |
SHA-256: 04b1835e7bc747654cdcb464f3d40507f0312d67c125b8afad7166c029161883 |
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