MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm hosted on compromised WordPress sites, with numerous distinct hosts and URLs pointing to potentially malicious content. The presence of multiple 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' firings strongly suggests a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/8fut4iihschu6ns0d2vsm3l4f0/refikabegipuvevibop.pdf In PDF document text
- http://yomamasushitogo.com/uploads/files/6170788286.pdfIn PDF document text
- http://piemonteforyou.it/userfiles/file/52057525113.pdfIn PDF document text
- http://globalsocialwlefaresummit.com//app/webroot/uploads/ckuploads/files/xesakenokawalabunaxo.pdfIn PDF document text
- http://ixtvs.de/_upload_bilder/_filemanager/file/97510123788.pdfIn PDF document text
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/cqaln71nvno93is209gnu456l7/2693136593.pdfIn PDF document text
- http://www.impactit.in/ckfinder/userfiles/files/97903621105.pdfIn PDF document text
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609db30dae230---62096666280.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/56e5e31ea863b918834e463f94648f07/91739882243.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/3705a4a12dfc11a153380f7207e16cc1/telozirefalaberimetizaveb.pdfIn PDF document text
- https://agatanorek.com/files/file/47548011429.pdfIn PDF document text
- http://hanasushi6.com/uploads/files/kudebetajifido.pdfIn PDF document text
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088327700180---nadutefimawaruzezamuda.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/43151391913.pdfIn PDF document text
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/8282a20ddfaaf99ec91868b585fc5c4d/76100185557.pdfIn PDF document text
- http://architettoletiziamasciotta.eu/userfiles/files/92794160097.pdfIn PDF document text
- https://forcechicago.com/wp-content/plugins/super-forms/uploads/php/files/d68499c8064420f3294f3245af54eee2/tamowuxaxoliwede.pdfIn PDF document text
- http://dunajecbiala.pl/upload/File/98363191548.pdfIn PDF document text
- http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/61d009045cbd383bd01d639a98eb9b90/lutalegufoditiko.pdfIn PDF document text
- http://adamlegal.com/userfiles/file/93095646269.pdfIn PDF document text
- http://giadinhlaurenso.org/upload/files/45978470330.pdfIn PDF document text
- https://autonoleggioassereto.com/file/85788469460.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/0pk0u0n1rg7gd5b6trq1qri3u7/3110617835.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=spiritual+home+meaningPDF link annotation
- 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_off0000b94e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB94E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d160.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD160 | 16136 bytes |
SHA-256: 1bc7c7c67e9fcc9e160aa200d04a72caa0ac0ebf13fe7b113253f23536ad3cb0 |
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font_02_sfnt_off0000fa9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA9E | 10708 bytes |
SHA-256: bdfad50da05cc505e3016d8d3480442f6986a4bc43f3b5b0568b4d95cc4db0e3 |
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