MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities or delivering malicious content. The PDF also functions as a link farm, directing users to multiple domains, some of which are hosted on compromised WordPress uploads or disposable hosting, indicating a phishing or redirection attempt. The ML classifier and ClamAV detection strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://www.performhabitat.fr/bundles/astadmin/js/ckfinder/userfiles/files/zizobux.pdf In PDF document text
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613349848252b---dixejerumisomaxotiguwuki.pdfIn PDF document text
- http://hzbmsj.com/images/upload/File/viluxowavawik.pdfIn PDF document text
- http://yogathoitrang.com/quangbasanpham/app/webroot/upload/image/files/sagoniwameno.pdfIn PDF document text
- http://irvinenott.co.uk/ckfinder/userfiles/files/buwevusuxifur.pdfIn PDF document text
- https://tavcam.com/upload/ckfinder/files/wofizak.pdfIn PDF document text
- https://efficimm.fr/userfiles/files/89970247658.pdfIn PDF document text
- http://goopenapp.com/uploads/files/7309051381.pdfIn PDF document text
- http://mrukseo.pl/userfiles/file/rojagojotuze.pdfIn PDF document text
- https://korovin.org/site/img_ufiles/24798020916.pdfIn PDF document text
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/e1a9b547ab80151a5ab00fc152cf86a9/40998147097.pdfIn PDF document text
- http://www.almansori-ye.com/almansorifiles/files/40421246294.pdfIn PDF document text
- https://memorybg.net/app/templates/js/ckfinder/userfiles/files/xifapokitifukawifino.pdfIn PDF document text
- http://klubbelgickychobrov.sk/editor_uploads/files/6313592410.pdfIn PDF document text
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/1a0495ccbaedaf542a25c7b48d3b4671/ruxinenupe.pdfIn PDF document text
- https://fultoys.com/userfiles/zebokovagiji.pdfIn PDF document text
- http://ukrainski-rosyjski.pl/userfiles/file/91188316325.pdfIn PDF document text
- http://tomboy2.com/images/library/File/57112355329.pdfIn PDF document text
- http://machi-tomo.xyz/js/ckfinder/userfiles/files/79348626972.pdfIn PDF document text
- http://peggylittlelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pudisijote.pdfIn PDF document text
- https://www.bnbtravels.com/ckfinder/userfiles/files/66957401606.pdfIn PDF document text
- http://midospa.com/upload/files/resulutoj.pdfIn PDF document text
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f62885823e---3067028979.pdfIn PDF document text
- http://punaide.com/userfiles/files/balewimomepizudojizi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=master+ball+cheat+code+emeraldPDF 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_off0000b7a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7A8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cfba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFBA | 16796 bytes |
SHA-256: d9557935123d64d358a74b00746d603c85e32aa4fb919e55b6a60f0d6cdd830f |
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font_02_sfnt_off0000fada.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFADA | 10572 bytes |
SHA-256: 4edee8adc66a8f884477abd1fae862a091e2b4ab37c6f6191e84378d598daed5 |
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