MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised CMS upload storage or disposable hosting, suggesting it functions as a link farm. The presence of these links, combined with the PDF structure, indicates an attempt to redirect users to malicious sites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://ketchas.ru/uplcv?utm_term=blazor+component+library+free PDF link annotation
- https://www.rosebankprimary.co.za/inc/ckfinder/userfiles/files/lizimebudumebebomof.pdfIn PDF document text
- https://www.adoz.cz/ckfinder/userfiles/files/pexolusiforewavev.pdfIn PDF document text
- http://ipceurope.com/assets/file/86136666491.pdfIn PDF document text
- https://baglab.pl/galeria/file/fagosuterobagukepunaxemo.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613afa33e82ef---48790371455.pdfIn PDF document text
- https://andymullinscommercial.com/home/andy/public_html/ckfinder/userfiles/files/fajuxofewenit.pdfIn PDF document text
- https://fiberglasssupplydepot.com/userfiles/files/85447985944.pdfIn PDF document text
- http://kunjipsc.com/uploads/files/23663512944.pdfIn PDF document text
- https://kfmaccounting.com/webroot/img/content/files/76850471217.pdfIn PDF document text
- http://alphasigmaoverseas.com/userfiles/file/vefekub.pdfIn PDF document text
- http://pincesorvarshop.hu/editor_up/68601799519.pdfIn PDF document text
- https://ozora.schaffsen.com/contents/file/76948602002.pdfIn PDF document text
- http://gayaarchi.com/userfiles/file/20210919175900.pdfIn PDF document text
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ee9fb7f1d2---kubulodumukovonujoz.pdfIn PDF document text
- https://leganordavigliana.com/uploads/file/87862184236.pdfIn PDF document text
- https://motodubai.com/uploaded_images/files/16593275852.pdfIn PDF document text
- http://fiumevivo.it/userfiles/files/55098231266.pdfIn PDF document text
- http://staractivecollection.com/resimler/site/files/wuradinanokoni.pdfIn PDF document text
- https://dgssu.com/upfolder/e/files/20210914113553.pdfIn PDF document text
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/161302e185e691---47679720589.pdfIn PDF document text
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/f3fcf6be926ba0fda52a77314a0f6029/51743274959.pdfIn PDF document text
- https://manage4.realtourvision.com/rtv/ckfinder/userfiles/images/files/6512999242.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_off0000ae02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE02 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c614.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC614 | 16172 bytes |
SHA-256: 4808192b0d322cd1efe5789ee7ea0886a3b8d26ec1fce3a4a253a4b89bf9b99e |
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font_02_sfnt_off0000ef10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF10 | 10840 bytes |
SHA-256: d7c2d63b1c7b963a821b9e1a52045c40cd77242a453bf5b09118b940405e2ff5 |
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