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. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and the overall structure indicate an attempt to exploit users through deceptive links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://print-printonline.com/ckfinder/userfiles/files/13217169071.pdf
- http://springgalleryng.com/Images_upload/files/42191272175.pdf
- http://saint-party.com/media/file/zizazoserasuno.pdf
- https://fasaac.org/temp/files/lilukosufufedujutunifaj.pdf
- http://space-edge.com/upload/files/totigevuvojawuwedufug.pdf
- http://pelejas.com/IMAGENS/CKFINDER/files/17598792683.pdf
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138401da8d72---siwenajitukikuf.pdf
- https://takarasushimn.com/userfiles/files/94442934458.pdf
- https://nnt52.ru/userfiles/file/vejozumasamisum.pdf
- http://ambvet-trefontane.eu/userfiles/files/24811679132.pdf
- http://shinies.ru/img/lib/file/biruwuzusukakogujinemidik.pdf
- https://8foro.exceltur.org/exceltur_nuevo/ckfinder/userfiles/files/jaguso.pdf
- http://df-2.de/images/daten/file/19348199186.pdf
- http://stluciachamber.org/uploadedImages/contentImg/file/46637518727.pdf
- http://ddservice-bmw.pl/userfiles/file/fodetativovuvas.pdf
- https://thailonghoang.vn/upload/files/fazazixo.pdf
- https://bakotech.at/uploads/ckeditor/files/goxirogidarax.pdf
- http://chanakol.com/ckfinder/userfiles/files/vusurejesudipupig.pdf
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139e86252a8c---73361667187.pdf
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16135308e3a1dd---venumeriwufilivebaw.pdf
- http://newkontakt.ru/userfiles/images/file/52412416572.pdf
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/b17d8897af42dca53ce9e08426e2fbbe/73007047831.pdf
- https://creativitagh.com/pevron/www/img/file/74261700106.pdf
- https://gizaviation.com/uploads/files/tujedisusetapujik.pdf
- https://www.liftechforklifts.com.au/application/third_party/ckfinder/userfiles/files/13167983421.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=new+movie+maverick
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d859.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD859 | 16792 bytes |
font_01_sfnt_off0000f06b.bin7757c3aad0701a154417118a198e5754976c78bffbe0dedd687fa5e87e24224e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF06B | 17684 bytes |
font_02_sfnt_off00011e36.binb1f328591d9329df3acc5855df5c55d95a7279877f37c95e79dbaae6b8e4017b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E36 | 10196 bytes |
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