MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code within documents. The numerous external URIs, many pointing to compromised WordPress sites, suggest a link farm designed to redirect users to potentially malicious content. ClamAV detection and ML classification further support its malicious nature, indicating it's likely a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
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://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/ke7ivk6gmqku1flsaglpb99jrd/sugolalamevokefozotiz.pdf In PDF document text
- http://hockeydh.com/files/ups/files/nusunomolofa.pdfIn PDF document text
- http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a3be0aa08e4---duwujebasinariwir.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/07a314b56bb989e40d29b3d44fbcdcea/subumeze.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ab3f18efd4---4938874256.pdfIn PDF document text
- https://taichielite.com/louis/taichi/ckfinder/userfiles/files/91268682414.pdfIn PDF document text
- http://hanasushimenifee.com/uploads/files/85950617690.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8f561018cd---83041923954.pdfIn PDF document text
- http://handbook.hu/upload/page/file/nozuwebaguxawabobozupox.pdfIn PDF document text
- http://anupbolivia.com/images/files/bufelikovarodajabonixu.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/20967363245.pdfIn PDF document text
- https://tlpnw.com/wp-content/plugins/super-forms/uploads/php/files/c22c89b9236846eb16346cb8e8cfa1f2/78211879233.pdfIn PDF document text
- http://woods-china.cn/ci2/userfiles/files/20210626090822.pdfIn PDF document text
- http://davisfolk.net/clients/1/1f/1f1070e31f35868a9a13f38ee7dc887f/File/lisarewatabidukade.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/46a840e5603034de4222a2737b650e1c/numutegisal.pdfIn PDF document text
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/8mb8jmg97nhit4aicq9tfehb1l/zavusanewuloge.pdfIn PDF document text
- https://profix.fr/ckfinder/userfiles/files/95068070189.pdfIn PDF document text
- https://grupo.iberia.es/js/ckfinder/userfiles/files/guwitatafazivepofizi.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608c8df363464---6972267591.pdfIn PDF document text
- http://color-gateway.com/userfiles/file/82287989194.pdfIn PDF document text
- http://debsluxe.com/clients/1/17/174397649ed9f07baa8f9d9f48c72a4d/File/dijuvidadaj.pdfIn PDF document text
- http://syarmarka.ru/userfiles/files/dasajip.pdfIn PDF document text
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078295f97388---denovapovef.pdfIn PDF document text
- https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078811cd1423---22055128471.pdfIn PDF document text
- http://bienchidan.org/uploads/files/55078821628.pdfIn PDF document text
- http://mbcasc.net/imgs/file/62596316310.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=mixing+single+stage+paintPDF link annotation
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/158ed6841c2586bb95199e589cda3ac3/9375109562.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_off0000fbcd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBCD | 10300 bytes |
SHA-256: 40e7359a795b7f08b191aa4fa6e8e6c5748ea6849fbedf8062ff0ee5f5b8c07a |
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font_01_sfnt_off00011326.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11326 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012b38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B38 | 16856 bytes |
SHA-256: 21c8b51399dd62444913ceb6a5f9f54c6e403f513903201b4dee61fbe47c5689 |
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