MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many of which point to compromised WordPress sites or disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript likely facilitates the redirection to these malicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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.heksan.com.pl/file/tesuv.pdf In PDF document text
- http://bonapartefamilynetwork.com/clients/7/7d/7d081654635712149502d88e72c54c2d/File/zagobofafif.pdfIn PDF document text
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/b444a5c067e4e32fb9cf80daadd1ca8f/80779645105.pdfIn PDF document text
- http://lexus-custom.com/js/upload/files/97161048350.pdfIn PDF document text
- http://pk.mo/userfiles/file/17830590453.pdfIn PDF document text
- http://paroissedementon.fr/upload/files/binoba.pdfIn PDF document text
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/cf4f751f27abaf67386efdf3057863d9/rudesunakebolopulera.pdfIn PDF document text
- http://tomlitkom.ru/ckfinder/userfiles/files/52574943275.pdfIn PDF document text
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/16088df9e88b17---xubala.pdfIn PDF document text
- http://goldenteriyaki.com/uploads/files/zejunemubunut.pdfIn PDF document text
- http://hit-air.pro/ckfinder/userfiles/files/dabekikorejojoxisesoxof.pdfIn PDF document text
- http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/6irv3uvn6b46fkte4iffvo58v9/93131059036.pdfIn PDF document text
- https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/1764f1c89012137bb81dac868a5879ce/selosabesanaw.pdfIn PDF document text
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160fddb0c74139---32578884694.pdfIn PDF document text
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/eirmituvj5jsuiqj5aophimufg/bonixanalogitebozizegij.pdfIn PDF document text
- http://anhuishangbiao.com/upload_fck/file/2021-4-30/20210430083724660853.pdfIn PDF document text
- http://zamokugrofa.sk/admin/fckeditor/file/1965340425.pdfIn PDF document text
- https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/4f72c3992daec60179d01da01595b20c/7555155108.pdfIn PDF document text
- http://stuarteisbrucklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/38273714522.pdfIn PDF document text
- http://skipjackpoke.com/ckfinder/userfiles/files/jusidapetugoden.pdfIn PDF document text
- https://himalayanthailand.com/image/upload/File/vaduwox.pdfIn PDF document text
- http://asustainable.com/global/file/35410148155.pdfIn PDF document text
- http://przyrodnik-kujawy.eu/userfiles/file/37667038568.pdfIn PDF document text
- http://investinwielkopolska.pl/application/lib/ckfinder/userfiles/files/waluwotofamazobapedun.pdfIn PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160bfac4829713---34971647118.pdfIn PDF document text
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/32a44bac4d3caaa8d0eb591769811cd7/24369424746.pdfIn PDF document text
- https://marljivo.hr/userfiles/file/56220754510.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=definicion+de+paradigma+socio+critico+pdfPDF 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_off0000d111.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD111 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e928.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE928 | 10916 bytes |
SHA-256: 574ca0672542f896cff98e1cc4d977544e6a60b16aec4f4edf9b410b9f342a48 |
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font_02_sfnt_off0001023b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1023B | 17112 bytes |
SHA-256: 9397cad02dd3191e9ac9b056e7a4154f8148aa13da358a30219ffc61f134cf43 |
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