MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm with multiple URLs pointing to disposable hosting, designed to redirect users to other PDF files. This behavior, combined with ClamAV detection and ML classifier flagging, strongly suggests a phishing or malware distribution campaign. The presence of numerous links on potentially compromised or disposable domains indicates an effort to obscure the ultimate malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://nacnsuaa.com/clients/4/49/49ab1acc6c62b5a39110d621a19f71c0/File/ruzakibapijobagiwibixuxu.pdf In PDF document text
- http://lncxjzxxw.com/upload_fck/file/2021-5-24/20210524224320437020.pdfIn PDF document text
- https://qualitymattressfactory.com/admin/userfiles/file/zubuj.pdfIn PDF document text
- http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160caa8636cfec---nuvitazilawe.pdfIn PDF document text
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/q0e158gfpgp7dfu0brj63p6g01/pajedonomanukapu.pdfIn PDF document text
- https://syntellect.ru/Repository/file/68087259676.pdfIn PDF document text
- http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091514146fd0---57564198498.pdfIn PDF document text
- https://jajugroup.com/ckfinder/userfiles/files/kefiraresevin.pdfIn PDF document text
- http://emotionpicturesfestival.gr/userfiles/file/xovazejebugutifuxematuse.pdfIn PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a3ae8e19a9f---37187774925.pdfIn PDF document text
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/d03bhd80h6b6r2gh8mrjpcgr8v/fewele.pdfIn PDF document text
- https://antae.be/app/webroot/uploads/file/65004516660.pdfIn PDF document text
- http://suachuabaoduongmaynenkhi.com/img_quanganh/files/44353400081.pdfIn PDF document text
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/1606d076337450---73984222267.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c553da0503---34501736002.pdfIn PDF document text
- https://stayatrosetta.com/wp-content/plugins/super-forms/uploads/php/files/uo4omg19lj2p5mfkguckkj4ega/revewa.pdfIn PDF document text
- https://solidpractise.com/files/userfiles/file/79604790304.pdfIn PDF document text
- http://sarljarry.fr/userfiles/file/lerorasawulizon.pdfIn PDF document text
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160bcabb8bb125---taxerokadekob.pdfIn PDF document text
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/mu28fh9245rvrf673nglkntl0c/46211395216.pdfIn PDF document text
- http://urbanconstructions.org/images/uploadedimages/file/nuvolakubibe.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/474ji1efenq41jnbckrpuo6me2/limoxaxubazijajan.pdfIn PDF document text
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160898443bb296---figowine.pdfIn PDF document text
- https://chetanaus.org/bheru/uploadfiles/file/11067658131.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=nelson+english+pupil+book+3+pdf+free+downloadPDF 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_off0000e10a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE10A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f921.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF921 | 11244 bytes |
SHA-256: 4af47113a21919e793b0192167781cf2e091686779d2aa8d36a19fa360a5ef65 |
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font_02_sfnt_off0001130f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1130F | 17436 bytes |
SHA-256: 9b1a85365f239c176a55c45fa21a5a58db74f5ba71c0626631ff7ddc2159df12 |
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