MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. ClamAV detected this file as a phishing trojan, and ML classification strongly supports maliciousness. The structure suggests an attempt to lure users to external malicious content, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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://chcial.ru/uplcv?utm_term=use+overtime+for+bruh+graph
- http://qunjl.com/userfiles/files/48563360793.pdf
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e2b00ed255---74910927406.pdf
- https://spitalmoldovanoua.ro/ckfinder/userfiles/files/gazalizuvodaxodusu.pdf
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a46fe8862dd---zatuwakidefovir.pdf
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/124qchp4as274s41phflc9ug16/35180205468.pdf
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160845656c6ecf---nabepitijeropokoj.pdf
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16081808539213---33063046467.pdf
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a92951519ec---3230288748.pdf
- https://jensbrode.de/files/file/50412480538.pdf
- https://houstoncoinclub.org/FCKeditor/file/63585433847.pdf
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e82bcde643f---98268744326.pdf
- http://efuturesthai.com/uploads/file/76363874101.pdf
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160849f3c5bc18---76476592555.pdf
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/4fef46v39efidelqbt2f8deai2/65455637633.pdf
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/160961aa449032---36477897170.pdf
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/g15pef583cdajv16qu1k7t4vh1/31717103848.pdf
- http://seventyfirstclassof69.com/clients/60772/File/sodawe.pdf
- https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/3eb54a721c3302f5498334a2ff466b28/5276070025.pdf
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1f1782a3c---10615104038.pdf
- http://pinedafoundation.org/imageuploads/file/1537875557.pdf
- http://malifer.hu/upload/file/30342207590.pdf
- http://tortsurprise.ru/upload/redactor/files/zorixoboz.pdf
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/970661a691c2b7702c2b98958f9f17f8/zuloxo.pdf
- http://clearspace-design.com/CKEdit/upload/files/389098346.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_off0000d07e.bin4130def7a5e24b6cb03ffdb2244e72fa04f74a80ac855d3e1845ced3a17de21a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD07E | 10968 bytes |
font_01_sfnt_off0000e9cf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9CF | 16792 bytes |
font_02_sfnt_off000101e1.bin2bbb0ca6fc6c5f2815157064dcde6e1ec34993426d997a0f46467ff4d31a5861 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101E1 | 17260 bytes |
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