MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm or phishing lure. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://sjanzee.nl/file/13076321921.pdf In PDF document text
- https://celebicatering.com/upload/ckfinder/files/xebokedaromopefu.pdfIn PDF document text
- http://coolscape.info/images/files/wepapubedutodavibe.pdfIn PDF document text
- http://ashioke.com/images/library/File/86262410803.pdfIn PDF document text
- https://taichielite.com/louis/taichi/ckfinder/userfiles/files/zijisufokobivulipu.pdfIn PDF document text
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e8567bfcf0---17608535329.pdfIn PDF document text
- https://factorysales.com/userfiles/files/xugulurep.pdfIn PDF document text
- http://caytrong.vn/Images_upload/files/nakeboluwoxo.pdfIn PDF document text
- https://unicorn.mn/js/ckfinder/userfiles/files/40871208856.pdfIn PDF document text
- http://gazosilikatnn.ru/uploads/files/nozazogojusojobipasaku.pdfIn PDF document text
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/ca306fa3172555436034d883370a15d0/kosop.pdfIn PDF document text
- https://aitalk.vn/upload/files/gefawododafiz.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/449412cfc4a6f166c190942ef08f8b60/xogapovemilep.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16141a668085a9---ruligopebijuto.pdfIn PDF document text
- http://thumpamonpally.com/userfiles/file/70561715519.pdfIn PDF document text
- http://cukorbetegshop.hu/files/zumipogufe.pdfIn PDF document text
- https://reformedgeneration.com/userfiles/file/65641428905.pdfIn PDF document text
- https://cpsguffanti.com/uploads/file/76274522923.pdfIn PDF document text
- https://lrdreamteam.com/files/files/file/InfoProduct/file/ligerafimuto.pdfIn PDF document text
- http://ambvetfanini.eu/userfiles/files/nuvezijasuwixivav.pdfIn PDF document text
- http://carbontuning.ru/file/71348752550.pdfIn PDF document text
- http://kimwendelldesign.com/ckfinder/userfiles/files/93191177156.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=appli+pour+hacker+les+jeux+androidPDF 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_off0000cf08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF08 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e71f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE71F | 10916 bytes |
SHA-256: fc01d88d509094812de11ec81f16b8fd5391a070ae8aa5d220e5d2b2db724158 |
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font_02_sfnt_off00010052.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10052 | 18248 bytes |
SHA-256: c7d249f2f600a9a62080128422b1e64babd4468f3c64004966e3d435091d509a |
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