MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier 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 presence of numerous links, including one pointing to a compromised WordPress upload, suggests an attempt to distribute malware or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 https://vibangthuaphatlai.net/uploads/files/92529472084.pdf In PDF document text
- https://academiapreprod.riportico.com/userfiles/files/fogefa.pdfIn PDF document text
- http://dietetyka-24.pl/images/files/wukabejinewagotekudewo.pdfIn PDF document text
- http://prabashproperties.com/ckfinder/userfiles/files/58548712500.pdfIn PDF document text
- http://bentleyplemtech.ru/userfiles/file/30440560137.pdfIn PDF document text
- https://360clothing.indicsys.com/home/www360cl/public_html/uploads/images/files/kamabanetaxutix.pdfIn PDF document text
- http://naviway.su/upload/files/24754490612.pdfIn PDF document text
- http://aaaexpressac.com/userfiles/file/32475899631.pdfIn PDF document text
- https://www.benkorner.nl/admin/library/ckfinder/userfiles/files/wetoberewigatedoxikilega.pdfIn PDF document text
- https://chowdhurytourism.com/ckfinder/userfiles/files/rulumajepepogamokupif.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16132b622a1f7d---30047143658.pdfIn PDF document text
- http://4chan.ro/UserFiles/file/wukovopipibiluko.pdfIn PDF document text
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/68ro11cgdpsf4ef842ms7aba82/rapevatarikal.pdfIn PDF document text
- https://visualarchive.bg/files/22163236138.pdfIn PDF document text
- http://le383.com/uploads/files/wodot.pdfIn PDF document text
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613600eb8b8eb---62334123302.pdfIn PDF document text
- http://vhktn.at/images/content/files/pupenosejesiv.pdfIn PDF document text
- https://arslanemlak.com/E/file/In PDF document text
- http://chinahongji.com/d/files/15005148912.pdfIn PDF document text
- http://clair-environnement.eu/catalogue_dynamique/file/ziliwif.pdfIn PDF document text
- http://sevenseahotel.com/uploads/images/files/maketarajugomeke.pdfIn PDF document text
- http://alrabbancapital.com/file/files/69898145597.pdfIn PDF document text
- https://solelane.com/ckfinder/userfiles/files/14810500168.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161395a59bc63f---jaduvarew.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=hill+climb+game+hackPDF 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_off0000cc19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC19 | 10308 bytes |
SHA-256: eded83790a536a450eee83337bfcecd82141a533ae42fbf75325a0739daed0df |
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font_01_sfnt_off0000e342.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE342 | 17580 bytes |
SHA-256: b8c0a2b889bb58263ded6f36934cd17afac812d6e56d1fe5ff2de6d2e7993ff5 |
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font_02_sfnt_off0001108c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1108C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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