MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains numerous links pointing to compromised WordPress sites, identified by heuristics like 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM'. The ML classifier and ClamAV detection strongly indicate malicious intent, with ClamAV identifying it as 'Pdf.Phishing.Trojan'. The primary attack pattern involves directing users to external, potentially malicious, URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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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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://smidgel.ru/uplcv?utm_term=hysterectomy+at+32
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7f667e916c---2968189108.pdf
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cec523f858---jikoxugam.pdf
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/43gqrlpmk7icm6rfoassn4sfq0/xujadesewifup.pdf
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607186379e744---siwunawinasifebisipusobap.pdf
- http://capitolmetrophysicaltherapy.com/userfiles/file/faredavagofakezumuwum.pdf
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce3f6e0137---14097485658.pdf
- http://deauville.ru/files/file/jivureb.pdf
- https://papersacksfactory.ae/images/bulk_images/files/wadonitiwakoja.pdf
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/24bd9ca78b2f9eb7304a1f36501c4df3/murinukoj.pdf
- https://alarrabnews.com/images/content/content/file/medowajoniba.pdf
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160bfdf55ee066---malonuxevigupexo.pdf
- https://eyetracking.pl/userfiles/file/80563762285.pdf
- https://mecaniquekd.ca/upload/file/1214820731.pdf
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b9bd470afb8---70830221560.pdf
- https://anmoul.com/userfiles/file/zusizituvamidumolurovi.pdf
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a13d3c20fa2---dusexasasis.pdf
- http://anvlaw.com/userfiles/file/51466914824.pdf
- http://kompletucetnictvi.cz/files/file/wogipezo.pdf
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f58f3ca130---tijodusewovol.pdf
- http://fouladsazanco.com/Upload/file/86522559640.pdf
- http://dlt-nkp.com/fileupload//file/69092685784.pdf
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b6b41d9eb52---nufobulam.pdf
- http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16086f9cf8825d---wezosavuveniw.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_off0000f4da.bin353012dbbaf60ce085e762911e13d3fb873a4b547df2d65e042327c817db0e0a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4DA | 16852 bytes |
font_01_sfnt_off00012090.binafed089c70ac25784460e539f324e21a41f3da0c60a0eca34ed89e4aa7a170fa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12090 | 10548 bytes |
font_02_sfnt_off000138be.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138BE | 16792 bytes |
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