MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM and the numerous extracted URLs suggest a phishing or malware distribution campaign, likely delivered as a spearphishing attachment. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
Heuristics 6
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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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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://queure.ru/uplcv?utm_term=d%26d+3.5+spell+compendium PDF link annotation
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/0bfe0483d4321617053a07e49d553a06/11003626789.pdfIn PDF document text
- https://interior-mark.com/ckfinder/userfiles/files/12927531121.pdfIn PDF document text
- http://acevina.com/webroot/img/files/48810614521.pdfIn PDF document text
- http://thebookmarkcafe.com/uploads/files/30312241099.pdfIn PDF document text
- http://vcelari.naceradec.cz/includes/ckfinder/userfiles/files/nujibegebuvajetejifus.pdfIn PDF document text
- http://architetturaurbanistica.it/userfiles/files/vewigoguviv.pdfIn PDF document text
- http://qataminational.com/uploaded_files/userfiles/files/4516335762.pdfIn PDF document text
- http://m-styleauto.com/js/upload/files/bulazabanisopudadopazup.pdfIn PDF document text
- http://balaton.varosom.hu/userfiles/files/4007276675.pdfIn PDF document text
- http://wowbond.com/upload/Fckeditor/file/zafamawenu.pdfIn PDF document text
- https://caraudioshop.ro/mm/file/foruporakep.pdfIn PDF document text
- https://s-serviss.lv/userfiles/file/93686144685.pdfIn PDF document text
- http://csc0731.com/userfiles/file/20210902163101_g0hbiu.pdfIn PDF document text
- http://jerseybankruptcylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/19791855663.pdfIn PDF document text
- https://strechybenesov.cz/content/zemadolaforegeralabuxiduw.pdfIn PDF document text
- http://banner-ever.com/ckImg/files/79818627967.pdfIn PDF document text
- https://dadesigning.com/daduserfiles/files/6485667373.pdfIn PDF document text
- https://advance-pack.com/editor_upload/file/wivoj.pdfIn PDF document text
- http://vetranhtuong.info/luutru/files/91482955592.pdfIn PDF document text
- https://skiclubraonbaccarat.fr/pdf/nijafitotusosane.pdfIn PDF document text
- https://musikkursus.dk/userfiles/file/68467266887.pdfIn PDF document text
- http://hndgyl.com/v15/Upload/file/2021921547507715.pdfIn PDF document text
- https://everywheregenes.com/uploadfile/qu26_qu106_com/files/remutufo.pdfIn PDF document text
- http://singer-island-condos.com/userfiles/files/44333970383.pdfIn PDF document text
- http://asclyziarskyklub.sk/userfiles/file/59619931350.pdfIn PDF document text
- http://disonde.com/filespath/files/20210907193626.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_off0000c3ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3BA | 9076 bytes |
SHA-256: f695977626623e59fedb2fbedebd468d0acf89ff6f6ceafeb3cee4351ddee6c8 |
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font_01_sfnt_off0000d65b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD65B | 17548 bytes |
SHA-256: 5cd5b60ceabccab10d47d249a2528ec387ad28a8df6879eda2f61679a8262ad8 |
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font_02_sfnt_off000103f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103F9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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