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 disposable hosting or compromised CMS upload directories, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript likely facilitates the redirection to these malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
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://ketchas.ru/uplcv?utm_term=social+challenges+in+south+africa+pdf
- http://numere-mopede.ro/mm/file/watoxusodituzoj.pdf
- http://martonaroniskola.net/userfiles/file/vetidarenedusep.pdf
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d491dc39c45---82899449059.pdf
- http://albarossa.jp/js/upload/files/jojigusarojidifawitufug.pdf
- http://myapartment.de/web/editor/files/58571540403.pdf
- http://suachuabaoduongmaynenkhi.com/img_quanganh/files/40114725406.pdf
- https://bd-sokolovska.eu/userfiles/file/vutikoveneralakitederirav.pdf
- https://kidneystonetreatment.in/userfiles/files/borubaniwodimedululomitew.pdf
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/2cfdccfb7ee7a9a92cd629e12192c649/33524081511.pdf
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/37621a305b65dbe88baab4923e021663/wijubajewusapokatufite.pdf
- https://aduanaldelvalle.com/userfiles/file/77217933181.pdf
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1642ee8bc0---pibowofapajefasakut.pdf
- http://wintec-samu.hu/uploads/files/47340573257.pdf
- https://innovaciones-plasticas.com/imagenes_cont/sitio/documentos/1345655242.pdf
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607bfca904b1d---wajitinukubulixute.pdf
- http://aqbnb.com/uploadfile/file/76863884760.pdf
- http://discus-rus.ru/upl/file/vejesusobelotuxeg.pdf
- http://kielcenoca.pl/files/file/zarad.pdf
- https://isleo.com/i_photos/file/44737765277.pdf
- http://spoanalyze.com/wp-content/plugins/super-forms/uploads/php/files/e782a7ffa210f91f822750d40d4ca678/dozer.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f861.binb9c3a89cbdd7bb076ba1f8254fe60c3706dddee5e880c6045c286dcb5d7332ee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF861 | 11072 bytes |
font_01_sfnt_off000111df.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111DF | 16792 bytes |
font_02_sfnt_off000129f1.bin03ae71214c07dec7a4c8935341079b17e1cc86f3bab2b8d87291cdc1f200213c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129F1 | 18520 bytes |
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