MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities or redirecting users. Multiple heuristics indicate the PDF acts as a link farm, pointing to compromised WordPress sites and disposable hosting, suggesting an attempt to distribute malicious content or phish users. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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 https://deniz-sogutma.org/img/userfiles/file/74684992535.pdf In PDF document text
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/0fc3focqshd71fe32oad5ckpuh/86491018809.pdfIn PDF document text
- http://irinka.org/ckfinder/userfiles/files/23337743692.pdfIn PDF document text
- https://www.engltg.com/wp-content/plugins/super-forms/uploads/php/files/e921343d74d0f5facb0893325054e2a2/65171920788.pdfIn PDF document text
- https://gamma-electronics-eg.com/userfiles/files/wolelegawisafixelaxevotim.pdfIn PDF document text
- https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/6d2q350utomkk3tqd7piupabuj/94345777172.pdfIn PDF document text
- http://thesetnews.com/images/fckeditor/file/narujewoporodurejisuto.pdfIn PDF document text
- http://ackerviewguesthouse.com/userfiles/file/27340780339.pdfIn PDF document text
- http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a2495c2bef---72965671913.pdfIn PDF document text
- http://pivotal-technologies.com/userfiles/file/buzukofikuvowi.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/pshpohd7846m3u6m2d74l5iuf0/lafig.pdfIn PDF document text
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfa9f80fc1c---3686720079.pdfIn PDF document text
- http://fusheng-vietnam.vn/admin/webroot/upload/image/files/74063704176.pdfIn PDF document text
- http://weymouthhighschoolclassof62.com/clients/5/50/50fe23896e84432c97ff20d680692bb9/File/6115783919.pdfIn PDF document text
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/d887b3a6947105b00601bb2c11799c28/54994408858.pdfIn PDF document text
- http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/sceq0v95pnfup7v8e9rvv3jgpr/69705173861.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16079a656531fe---16279880312.pdfIn PDF document text
- https://octvads.site/js/ckfinder/userfiles/files/dikomafijilojeluresipir.pdfIn PDF document text
- http://cp-tournament.org/ckfinder/userfiles/files/87507897621.pdfIn PDF document text
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad8360cfe7e---3852663654.pdfIn PDF document text
- http://rw-hse-businessconsulting.de/userfiles/file/fajewijoso.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160d01cea485b1---43052555439.pdfIn PDF document text
- https://jairdefreitas.com/ckfinder/userfiles/files/64745010039.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1607eda9e07d17---fajevewuzuketisolilinu.pdfIn PDF document text
- https://autosaloncenter.com/uploads/file/91988578204.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b898b585209---90858517669.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=welding+question+paper+with+answersPDF 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_off00010c31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C31 | 18016 bytes |
SHA-256: fe62b687e20621957c4fb1b6166c7cb2b153e30a0cb675912dc569fee2dfe311 |
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font_01_sfnt_off00013b46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B46 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001535d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1535D | 10996 bytes |
SHA-256: e3bc607d194b0ca65b0546ee425575cafd143bb601e201aa9aaed636d1538646 |
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