MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as a malicious PDF by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous links to external PDF files hosted on various domains, suggesting a link farm designed to redirect users. The presence of compromised CMS upload links further supports the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://desagresbrts.com/clients/34568/File/45355039041.pdf In PDF document text
- http://fitviewer.biz/files/file/mimasesile.pdfIn PDF document text
- https://reflexlighting.com/wp-content/plugins/super-forms/uploads/php/files/555a0af08f19061e74a26350bd619528/kozurofenegitido.pdfIn PDF document text
- http://kayapaliinsaat.net/file/89816058652.pdfIn PDF document text
- https://www.myosiaffiliate.com/199trust/img/file/43346642508.pdfIn PDF document text
- http://carrollcountylawyers.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kikiji.pdfIn PDF document text
- http://coyada.com/up_images/up_images/pamemiruta.pdfIn PDF document text
- https://thuanxuongmonmb.com/admin/webroot/upload/image/files/7200707779.pdfIn PDF document text
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cbb408f0edc---zibomuxaxidokarabimimun.pdfIn PDF document text
- http://salonorganica.ru/upload/files/kanujexuvapavajikusoxugit.pdfIn PDF document text
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/ee18a20ab22fbddf43adeeb31595a701/zowexok.pdfIn PDF document text
- http://artgraf24.pl/userfiles/file/lepadubo.pdfIn PDF document text
- http://uppercanadatwocylinderclub.com/clients/877835/File/xujidabisubera.pdfIn PDF document text
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/33e90412113ec008cf422a1828579fc0/93417588528.pdfIn PDF document text
- https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/0fe97b1c7af94d16a9f643d5e7a21d89/joronem.pdfIn PDF document text
- http://degeninhotel.ru/admin/ckfinder/userfiles/files/99304494942.pdfIn PDF document text
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f22beafedc---muzabosejimadaloba.pdfIn PDF document text
- http://thebestpearsonfamily.com/clients/e/e6/e6a49a9b6fa3fb0349b1957bd02e8b5b/File/70795272406.pdfIn PDF document text
- https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/4e2omveikqh7kr872ss3sel467/towolemud.pdfIn PDF document text
- http://cnzhongkui.com/fckeditor/editor/filemanager/connectors/php/uploads/file/240906209614.pdfIn PDF document text
- http://vietsonplastic.com/uploads/userfiles/file/31596940558.pdfIn PDF document text
- http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/e62023bb28cfe5f6e2f623283d700854/33231756033.pdfIn PDF document text
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/ba26dc4c65316c8ca8ce0e062efcfb2f/kibufab.pdfIn PDF document text
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160f013b27a1f8---wetorokixifunuluwis.pdfIn PDF document text
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c64935cb802---97368091437.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=what+is+the+best+quote+from+to+kill+a+mockingbirdPDF 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_off00012e43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E43 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001465a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1465A | 11396 bytes |
SHA-256: 63137b672cbdbf7c548f56226e1c133775333ec06893c73d0d9037e7b080898a |
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font_02_sfnt_off00016085.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16085 | 16692 bytes |
SHA-256: b0c6bfeffb35dfbc6ffa49db98f0e8f50b9dba60f3471a122ba2737895d9c41f |
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