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 malicious PDFs. It also features a link farm pointing to compromised WordPress upload storage and other disposable hosting, indicating a phishing or redirection attempt. The ClamAV detection and ML classifier strongly suggest malicious intent, likely to deliver a second-stage payload or lead users to a phishing site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://agriturismolescuderie.eu/userfiles/files/tevebiri.pdf In PDF document text
- https://jcmimoveis.com/userfiles/file/64200193427.pdfIn PDF document text
- https://vildmarksjagt.dk/userfiles/file/silaxajoxanigepepop.pdfIn PDF document text
- http://macabrey-luthier.fr/data/Files/buzululoxasajelozun.pdfIn PDF document text
- https://stalbeckers.nl/userfiles/image/file/49156081742.pdfIn PDF document text
- http://fteq.ru/files/file/xadinefakobanux.pdfIn PDF document text
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/cd3330621e1808a8f85ca897c5318f11/22262162502.pdfIn PDF document text
- https://anna-bel.com/app/webroot/files/userfiles/files/mivonezexunolili.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139e685c02f6---84773260128.pdfIn PDF document text
- http://challendor.com/fckeditor/upload/file/23277066924.pdfIn PDF document text
- https://ww150002.linebot.net/upfile/files/20210910082727.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/1613784872362b---94804615458.pdfIn PDF document text
- http://all-premium.com/user_file/files/saxudoriwaki.pdfIn PDF document text
- http://ortopediaszombathely.hu/editor_up/38388671807.pdfIn PDF document text
- http://tokstar.com/_UploadFile/Images/file/walefevepazafepekepo.pdfIn PDF document text
- https://vgi-vn.vn/app/webroot/img/files/ninowebobenoxevojulokuro.pdfIn PDF document text
- https://eric-parnes.shortex.com/ckfinder/userfiles/files/sojulijik.pdfIn PDF document text
- http://bertoniamministrazione.it/bertoni/public/file/94524771655.pdfIn PDF document text
- https://pu-sk.com/app/templates/js/ckfinder/userfiles/files/retisigeduj.pdfIn PDF document text
- http://www.fan-consultants.com.tw/ezadmin/ckfinder/userfiles/files/jarusoxuwenuvodadere.pdfIn PDF document text
- https://kiofruits.com/admin/uploads/files/38760852295.pdfIn PDF document text
- http://brbud.pl/userfiles/file/67893347194.pdfIn PDF document text
- http://thenikharvconsultancy.com/userfiles/file/bofologixopajenar.pdfIn PDF document text
- http://udelimpa.es/ckfinder/userfiles/files/dibizafib.pdfIn PDF document text
- http://zatoodesign.com/userfiles/files/pebimemajozogumowamaxeko.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=peristyle+garden+house+of+the+vettiiPDF 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_off0000dfec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFEC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f803.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF803 | 10912 bytes |
SHA-256: df9bf5f9031ab38eed3484bc6adc66c6e23d71da6924526f4c7f1d4ea0caafc3 |
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font_02_sfnt_off00011113.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11113 | 17484 bytes |
SHA-256: 099e22b20c5f2e414bab530049ad734ff69cb7e2b35ebd9ef415a385383b6a6b |
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