MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains a large number of links, many pointing to compromised WordPress sites, suggesting it functions as a link farm. The presence of these links indicates an attempt to direct users to potentially malicious or phishing content, aligning with a spearphishing attachment attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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://akcjonariusz.com/UserFiles/file/wirepomozugiwaderasup.pdf In PDF document text
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089bbd7cf4e0---6826611314.pdfIn PDF document text
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/j9m383lmopvvqonm3g7j5bf45l/25101666439.pdfIn PDF document text
- http://vce34.ru/attachments/file/919133224.pdfIn PDF document text
- https://ngonluathan.vn/images/ckeditor/files/wuwowotof.pdfIn PDF document text
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/efeca43553df2150227b10f7d6766d58/fajakemedek.pdfIn PDF document text
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/6bh0gmpavilleg9rtipmn9ddpi/belijebafifanodisekukima.pdfIn PDF document text
- https://actaviaserica.org/board/file/files/20120796411.pdfIn PDF document text
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160774abaca240---vukavujofuriziku.pdfIn PDF document text
- http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609168ea46775---44491738468.pdfIn PDF document text
- http://bephoangdung.vn/uploads/ckfinder/files/71236680467.pdfIn PDF document text
- http://absolutelyneon.com/userfiles/file/3732064917.pdfIn PDF document text
- http://chinazzjx.com/d/files/wobosodamiwixabolise.pdfIn PDF document text
- http://orsini-blasioli.it/userfiles/files/kasuxeboxalif.pdfIn PDF document text
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089c96b3259e---tokajuvalujoputupibaniluv.pdfIn PDF document text
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/484860e32ccb33f5913958edd25ca0ac/wusewa.pdfIn PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0c6866a016---demakojudumitalibuz.pdfIn PDF document text
- https://dailyiat.com/html_upload/file/85633885997.pdfIn PDF document text
- http://etcad.net/np/upfile/file/rabijabedek.pdfIn PDF document text
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/iovn69g7fgp3id5l3kkfb0tn81/96638624241.pdfIn PDF document text
- http://consol.hu/images/uploadedimages/file/fafizogozeserosufam.pdfIn PDF document text
- https://www.southdownscellars.co.uk/ckfinder/userfiles/files/pikepapopivuxixezaran.pdfIn PDF document text
- http://anthonyellisonfamilyreunion.com/clients/f/ff/ff850d76676c1858bf5e443b7a907d3b/File/88165697929.pdfIn PDF document text
- http://thegioixedap.net/upload/files/zesefijizo.pdfIn PDF document text
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608a0a2a527d3---tizosit.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=hindu+wedding+invitation+after+effects+template+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_off0000ffdb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFDB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000117f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117F2 | 11204 bytes |
SHA-256: d2907438173e6fe4add742314d9130df74f214b62be8c7dee597ff9ea4b4154e |
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font_02_sfnt_off000131f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131F2 | 17924 bytes |
SHA-256: c35fefcee2478a86dbbad40d1367c5420094f1d40132f5707a384972909cf3fd |
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