MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and a large number of external links, many pointing to compromised CMS uploads, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded JavaScript likely facilitates the redirection or execution of further malicious actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 7
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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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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 https://medvor.ru/uplcv?utm_term=cracking+the+dna+code+worksheet+answers PDF link annotation
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609107a671c92---rabojipevulilibidafesut.pdfIn PDF document text
- http://starlightcelebre.org/clients/4/43/43e9139217482d7666ce300faf566241/File/turivagir.pdfIn PDF document text
- https://chupwo.com/editor_upload/file/29955702846.pdfIn PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/090kjv4q74ffjqqhnfv3p07q3s/70306734943.pdfIn PDF document text
- http://ranjitabiswas.com/userfiles/files/kovamogixubakose.pdfIn PDF document text
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/5bb4810bfc050b65f3853396d4380a78/vukitotun.pdfIn PDF document text
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608167b12d6e4---bezufopimodeporuxifagisi.pdfIn PDF document text
- https://mintedimages.com/ckfinder/userfiles/files/75533337739.pdfIn PDF document text
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/f1af731a89bbaead016f59462f087d83/wogopabeb.pdfIn PDF document text
- https://vietnamairlinescorp.org/js/ckfinder/userfiles/files/80447356191.pdfIn PDF document text
- http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16092374f60b77---taxikotesedimejoru.pdfIn PDF document text
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1607001a337150---wovapagodar.pdfIn PDF document text
- http://cameralehiep.com/hinhanh_fckeditor/file/32064247189.pdfIn PDF document text
- https://suprizpin.com/calisma2/files/uploads/dowipebekamoda.pdfIn PDF document text
- http://maybomchuachay24h.com/Images_upload/files/9633699036.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609f0ecc6fa30---40811164268.pdfIn PDF document text
- http://pressvaluation.net/userfiles/file/tagawem.pdfIn PDF document text
- http://salukool.ee/upload/userfiles/file/86590759279.pdfIn PDF document text
- http://americanpetrochemicals.com/customers/CMS-IMAGES/file/7176883898.pdfIn PDF document text
- https://fultoys.com/userfiles/65237053747.pdfIn PDF document text
- https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/novun66npifgpajb3lb9d2bslh/xadagewexakovefuvapi.pdfIn PDF document text
- http://eltonltd.ru/sites/default/files/uploads/15099786553.pdfIn PDF document text
- https://aordonez.com/images/contenidos/files/60431315633.pdfIn PDF document text
- http://mfcpavpos.ru/file/taparigodubotejarosumefi.pdfIn PDF document text
- http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609499bfcda5a---voruguv.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_off0000eb0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB0D | 16788 bytes |
SHA-256: b122566d8fdfa734b3222eae4f66c26bb7ecdc1b133323e88e99cfc740b67e8b |
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font_01_sfnt_off0001165d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1165D | 10812 bytes |
SHA-256: f55ec5c7c9e77cff477a559df4359bb7c88c9ca60d120aafe324007de9e918d1 |
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font_02_sfnt_off00012f29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F29 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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