MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The file contains numerous links to external websites, many of which appear to be compromised WordPress installations or disposable hosting, suggesting a link farm or phishing lure. The presence of these links and the overall detection profile indicate the document is intended to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://synerhu.ru/uplcv?utm_term=resumen+de+libro+corazon+diario+de+un+ni%C3%B1o PDF link annotation
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/0f595c662a6881cb026ce886d245a7d7/99379635532.pdfIn PDF document text
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/stn3g9u5lf9on6tc6ugjtkrtnh/lugenikixezogezuvofomib.pdfIn PDF document text
- https://nbtele.com/en/cache/fck_files/file/35545203844.pdfIn PDF document text
- http://drivescuolaguida.it/userfiles/files/49822192529.pdfIn PDF document text
- http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cfee5c55413---fetetumogubiwozop.pdfIn PDF document text
- https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/917a2559e10d7feb58047ba47c3c8fea/97317589220.pdfIn PDF document text
- https://adlinefor.com/home/webagen/public_html/korn/data/file/korifejoxa.pdfIn PDF document text
- http://humanitool.ru/userfiles/file/70878755691.pdfIn PDF document text
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/hetc4grh7tidoe1gtphlevj5n5/23182384067.pdfIn PDF document text
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/5be7d5bf39d9f4ad4332602708a8a5ae/zenonevivabi.pdfIn PDF document text
- http://bscsaoner.in/ckfinder/userfiles/files/21604973368.pdfIn PDF document text
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/ca7c5d4a23483fcdce7ec764ffcbd622/73360013707.pdfIn PDF document text
- https://kltccompany.com/ckfinder/userfiles/files/40384294610.pdfIn PDF document text
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/886afb064bfa0a776c40d3250008b669/35132466793.pdfIn PDF document text
- http://valleypainclinic.org/userfiles/file/7313395825.pdfIn PDF document text
- https://prcomponents.com/ckfinder/userfiles/files/2988851269.pdfIn PDF document text
- https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/160cd9c7ac25c1---3726021044.pdfIn PDF document text
- http://curry-box-deluxe.de/userfiles/file/94444105277.pdfIn PDF document text
- http://mitsubishilongbien.vn/images/ckeditor/files/nelitebarupubiwiwujekewe.pdfIn PDF document text
- http://chapelguild.com/images/usr/43920383832.pdfIn PDF document text
- http://tkhomedeco.com/assets/uploads/ckedit/files/20210616070010.pdfIn PDF document text
- https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/b927c7a3a2a6aa98a45e3e4c4763d731/48599759644.pdfIn PDF document text
- https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/83c3a23d82c3dcc3386dc891ec7d9d77/61102245807.pdfIn PDF document text
- https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608075929122b---dojusekajozanomupigili.pdfIn PDF document text
- https://rebel-guitars.com/wp-content/plugins/super-forms/uploads/php/files/f8709b3f09b0fe4fe3fd25ac9ae01cff/53106179084.pdfIn PDF document text
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/c052474ba529e8c398123cde15698a8c/47662997379.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_off0000d304.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD304 | 17384 bytes |
SHA-256: f2e98599503f8e413d032f4295da84b0eb32f6afda137cb991226e5cfe77f578 |
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font_01_sfnt_off0000ff23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF23 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001173a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1173A | 10984 bytes |
SHA-256: 9726146eac0ecce45ca3f46fec201294568c252a88dd98aa35da33d0024d8193 |
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