MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and numerous external URIs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
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://cokhilegia.com/upload/files/mexetojupobaludusizadinad.pdf In PDF document text
- http://zpkprzemysl.pl/ckfinder/userfiles/files/tanazuvezepekuxujesazel.pdfIn PDF document text
- https://datajournonepal.org/files/22816742295.pdfIn PDF document text
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16150a481a1a1e---xumiduwuzogisefizaku.pdfIn PDF document text
- http://geo-equipe.it/userfiles/files/tilixewezu.pdfIn PDF document text
- http://www.colormotion.cz/UserFiles/file/gajasigupogemowafowivarow.pdfIn PDF document text
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/e38aa0e899c973d2407d5e09ded7f2a0/28508370596.pdfIn PDF document text
- https://tradingphrases.net/userfiles/files/mopetibu.pdfIn PDF document text
- http://vip-cond.ru/userfiles/file/8992004751.pdfIn PDF document text
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/5e918631861b1195f5373bfda4bd3a0e/gotuforumad.pdfIn PDF document text
- https://costabravas.com/uploads/localidades/files/vojanipa.pdfIn PDF document text
- http://mabifitness.it/userfiles/files/75367557798.pdfIn PDF document text
- http://hyundai-dongdo.vn/images/files/36825399758.pdfIn PDF document text
- https://www.funes.gob.ar/ckfinder/userfiles/files/31826727698.pdfIn PDF document text
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134894fa01e1---moxisikuruziwariwowugik.pdfIn PDF document text
- http://kbautotech.com/board/datafiles/imagefile/17727470726.pdfIn PDF document text
- http://lexen.ca/userfiles/files/25328918575.pdfIn PDF document text
- http://apothepharma.com/upload/files/romuvepusafu.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613b284e49db4---8944838989.pdfIn PDF document text
- https://markyatirim.com/resimler/files/darum.pdfIn PDF document text
- http://aluminial.pnh.pt/js/ckfinder/userfiles/files/mufisakojujezovoxigimisob.pdfIn PDF document text
- https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/rr56di0rlgdod7i9oj976b2idc/79877613695.pdfIn PDF document text
- http://lustigersteirer.at/userfiles/file/4901270733.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=mp4+downloader+pcPDF 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_off0000af2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF2C | 14848 bytes |
SHA-256: 3e1cb77c6507676d68ece2e3d05d4865b47e0bce3838ecc921891e1ec4c928d5 |
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font_01_sfnt_off0000d426.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD426 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ec3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC3D | 10308 bytes |
SHA-256: ac4e98c2a17701e0946c922af8b4725c323894531ead2e24275eda5692c0f19e |
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