MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The file contains numerous links pointing to compromised WordPress sites, suggesting it is part of a link farm designed to redirect users to malicious content. The presence of these links indicates an attempt to exploit users through social engineering or to distribute further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
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://archism.ru/uplcv?utm_term=the+solution+focused+approach
- http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160967f1ddf76e---lubajuzuwi.pdf
- http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/1609430e88a994---30183501161.pdf
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abc316d4ac2---22127467403.pdf
- https://dascalita.ro/app/webroot/files/userfiles/files/tidogubova.pdf
- http://bluefield1966.com/clients/26642/File/67229166735.pdf
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16082c6b40ad98---nivukizajepivof.pdf
- http://analogsys.com/uploaded/file/1984414341608a4ceccf86d.pdf
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c0fd975fed4---besegon.pdf
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/d5edd425a594a46552b4e6d5a6a7b2d1/bofuwivevizima.pdf
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608be97f889e6---fenisibeziludinugamokarol.pdf
- https://www.asahinadigital.com/wp-content/plugins/super-forms/uploads/php/files/pkfhj6pih30j3u1gv4id3vmbhl/fixadupavepexowalasejumol.pdf
- https://hoalavender.net/upload/files/30092854845.pdf
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160baffc26e4d2---netapenawodeso.pdf
- http://gursakaryahukuk.com/images/file/59009443718.pdf
- https://jamurgoreng.net/contents//files/baxinutupapofopixamovaw.pdf
- https://vinamex.info/uploads/news_file/mivugarunevajegikapesupo.pdf
- https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/146e8700e21bf37df628682a6d0035f6/terexalitiwotolegonab.pdf
- http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/160797941c07a7---5992295838.pdf
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609d36a297861---fonex.pdf
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1607a47c4c7209---posesotanokafatuzuv.pdf
- https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/ikck6qb7bgt0comabbudubjnrv/suwavisapi.pdf
- http://hongshengfish.com/uploadfiles/20210624/210624215548767025l0bp6dyo5ym0.pdf
- http://capitolmetrophysicaltherapy.com/userfiles/file/dumonorizinixabolukibi.pdf
- http://snap-drone.com/userfiles/file/viwoxelupekuzuriripega.pdf
- http://studioguatta.it/userfiles/files/gajowotinadap.pdf
- http://nwatchonline.net/userfiles/file/25996080781.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_off0000ed07.bin982d7dd65f461e445673c885acb1cb7b79744614ce3fe8aa208680815f4651d4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED07 | 17464 bytes |
font_01_sfnt_off00011a9f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A9F | 16792 bytes |
font_02_sfnt_off000132b6.bin1eff9dfaea9346edeea759ac13d262f65085e2ff1a8260a8edd37fef92631b92 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132B6 | 10780 bytes |
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