MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous embedded URLs, many of which point to suspicious PDF files hosted on various domains, suggesting a link farm designed to redirect users. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic further supports this, indicating an attempt to obscure malicious destinations. No scripts were extracted, but the overall structure and URL distribution point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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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://baltic-rt.ru/ckfinder/userfiles/files/gurog.pdf In PDF document text
- https://izr.fr/files/wexereberamux.pdfIn PDF document text
- https://bibliotheque-des-arts.com/ckfinder/userfiles/files/xevirokajudugomifipusikof.pdfIn PDF document text
- http://mabo-meccanica.eu/userfiles/files/bubur.pdfIn PDF document text
- http://vhz.cz/user-files/85078958192.pdfIn PDF document text
- https://illustrations.noche.fr/images/files/joxilewojexaxasil.pdfIn PDF document text
- http://kondicionery-ivanteevka.ru/upload_picture/file/vofepevuxewelemoneki.pdfIn PDF document text
- https://dennismaloney.ca/upload/editor/file/86885982679.pdfIn PDF document text
- http://memsports.com.br/admin/libs/ckeditor/ckfinder/files/48262162077.pdfIn PDF document text
- http://havefuntogether.com/image/upload/File/ketozusew.pdfIn PDF document text
- http://asremajazi.com/uploads/files/59810361028.pdfIn PDF document text
- http://huarui-bio.com/upload/files/jodaguniwok.pdfIn PDF document text
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eadb2810ac---xokuzizusab.pdfIn PDF document text
- http://riph.pl/userfiles/file/padaporojamijiwibibebe.pdfIn PDF document text
- http://busto-wl.gattinonimondodivacanze.it/themes/userfiles/files/64568460718.pdfIn PDF document text
- http://em-mould.com/ckfinder/userfiles/files/dimugujasakowaka.pdfIn PDF document text
- https://metnar.pl/web/uploads/files/85363362639.pdfIn PDF document text
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/161379a9e7af15---paxokox.pdfIn PDF document text
- http://herium.net/FileData/ckfinder/files/20210916_1165A9FA76CD96E6.pdfIn PDF document text
- http://audidalys.lt/ckfinder/userfiles/files/70374609641.pdfIn PDF document text
- http://stellarp.com/userfiles/files/85175859034.pdfIn PDF document text
- https://limsurempat.com/contents/files/favovivudofelo.pdfIn PDF document text
- http://abnicum.com/files/file/kizopawupego.pdfIn PDF document text
- https://myreply.mobi/snappshott/editor//file/xaruwezizin.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=emoticons+no+instagram+androidPDF 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_off0000e40d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE40D | 18928 bytes |
SHA-256: 2fc4117bbab3b94f5d86f4c5a9ec90914ab3edfe90bac297dd7c67876905a0d6 |
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font_01_sfnt_off000114c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114C3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012cda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CDA | 10520 bytes |
SHA-256: 4d130b82cfdbfe4632e2e7510929127bec8344a5b3f39a88d722ce9d9174f65d |
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