MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
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 http://pegasomeeting.medcoast.net/ckfinder/userfiles/files/suvetem.pdf In PDF document text
- https://zzwgjx.com/d/files/27348166711.pdfIn PDF document text
- http://dkyangmei.com/uploadfile/file/2021090619120873499.pdfIn PDF document text
- https://lenaoyunlar.net/calisma2/files/uploads/3855166030.pdfIn PDF document text
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/e86301fd13ab808b3c7fb6d953836791/dibusanowasoxa.pdfIn PDF document text
- http://jinwoosmc.com/userfiles/file/pixiz.pdfIn PDF document text
- http://poltinka.ru/userfiles/file/44807746032.pdfIn PDF document text
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/7di70b2l8b6752874varqvnh3l/60834417534.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/161311fc30dbdf---nawilederupikajisutif.pdfIn PDF document text
- https://riondene.ch/img/uploads/file/32994675818.pdfIn PDF document text
- http://lamorenj.com/userfiles/file/90665630771.pdfIn PDF document text
- http://czpohledavky.cz/userfiles/files/68164271552.pdfIn PDF document text
- http://open.ua/uploads/ckeditor/files/daraserukusifivoginod.pdfIn PDF document text
- http://innersolutions-uk.com/file/vobadanifefefijijopak.pdfIn PDF document text
- https://mccartha-cobb.com/userfiles/files/19432459267.pdfIn PDF document text
- http://baodieptailor.com/uploads/2021-09-14/images/files/posogejipigu.pdfIn PDF document text
- http://www.pattyn360.com/upload/forum/files/wojanadodedexugi.pdfIn PDF document text
- http://w-w.cn/isee/pfm/cms/uploadfile/fck/file/57974633553.pdfIn PDF document text
- https://cedria.es/DOCUMENTS/FotosFCKEditor/file/76491987428.pdfIn PDF document text
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f314f2dcfa---11237017310.pdfIn PDF document text
- http://mtcongnghiepxanh.com/upload/fckimagesfile/59620165212.pdfIn PDF document text
- http://fluitec.fr/ressource/site-image/files/bajabotimezages.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=watch+dogs+mobile+app+downloadPDF link annotation
- http://s292376414.onlinehome.fr/datas/imgmail/file/95438797334.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_off0000dfbc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFBC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f7d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7D3 | 11080 bytes |
SHA-256: ff4ea6a531bdd65dbd7399f70476725160a0acdb0e1cdcaf9edda44eaf16d866 |
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font_02_sfnt_off0001111b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1111B | 17456 bytes |
SHA-256: 825cbbd0eb09312f6223291aac8e0920f2f71139eba002ec5b8367db616b2871 |
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