MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links pointing to various websites, many of which are hosted on compromised CMS platforms or disposable domains. This structure is indicative of a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://stilistspb.online/public/files/uploads/files/xudikupudopopifiz.pdf In PDF document text
- http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/160d5a4e4506ba---3575996515.pdfIn PDF document text
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b39dc980984---nonolokedejugor.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609f6e8dbaad5---nawaxatapedobi.pdfIn PDF document text
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/3170c1a4911581b71816601a7db6bc8d/74842114641.pdfIn PDF document text
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/nj5d09pd2v81rh8lqaaagbj3fb/71509992411.pdfIn PDF document text
- http://fine-cottage.ru/userfiles/files/mijobubijamowikuwafu.pdfIn PDF document text
- https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/cg4uvueljjkcfp04ojl7oj1mko/47102618357.pdfIn PDF document text
- http://www.gieskestukadoors.nl/ckfinder/files/files/ludojarozerubonalomuga.pdfIn PDF document text
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/83e4fc233f4566f4588b5a1d293f15f7/zitaziziju.pdfIn PDF document text
- http://egonseetour.com/FileData/ckfinder/files/20210623_562069E3085D1CCE.pdfIn PDF document text
- http://reelproductionshd.com/userfiles/file/14343203898.pdfIn PDF document text
- http://helder-effect.nl/userfiles/file/60262106403.pdfIn PDF document text
- https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/dae1ae1193fbd72ca27bd4f89b1dd6c9/fabop.pdfIn PDF document text
- http://caratow.nl/userfiles/file/medesudu.pdfIn PDF document text
- https://cmfnepal.org/userfiles/files/37581308849.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/54155618682.pdfIn PDF document text
- http://wamer.org/userfiles/file/lawojolatepoteza.pdfIn PDF document text
- http://werder-ritter.de/UserFiles/File/minefuze.pdfIn PDF document text
- http://abwjefferson.com/uploads/files/poxagawimudefu.pdfIn PDF document text
- http://brenno-tojestto.pl/userfiles/file/64965845085.pdfIn PDF document text
- http://connect-event.fr/ckfinder/userfiles/files/vulunutaxizosadegulekoji.pdfIn PDF document text
- http://sillajen.com/fckeditor/_upload/file/28495338963.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+cite+in+mla+online+articlePDF link annotation
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3a2e1802cc---33959281276.pdfIn PDF document text
- 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_off0000fa28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA28 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001123f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1123F | 10300 bytes |
SHA-256: 8d0c7907edbf1ae7a83b72d66de424ab53b63f5aeee0c62f169b7344a0850fe2 |
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font_02_sfnt_off00012961.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12961 | 17140 bytes |
SHA-256: 1f7e6ce1a602382e84bd223c62faa447cc24dea14a15b31ea56e01b44b3a2c3b |
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