MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous URLs, many pointing to compromised WordPress sites, suggesting a link farm or redirection mechanism. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' further supports the conclusion that this PDF is designed to lead users to potentially harmful external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a8bbf469dd2---46371885126.pdf In PDF document text
- http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16095297776423---35179567428.pdfIn PDF document text
- https://texasbordervolunteers.org/userfiles/file/vomoruxigowebali.pdfIn PDF document text
- http://web5gstore.com/Files/files/61721276199.pdfIn PDF document text
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/35i27e4lan207d3uovjo11dr1l/91523999326.pdfIn PDF document text
- https://saam.vn/images/content/file/11215997900.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fade480c315---48663406067.pdfIn PDF document text
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/794af719ab9f1390a5e2f77c8746d99d/tumiwizititesosef.pdfIn PDF document text
- https://anmoul.com/userfiles/file/fakoliwagirijesilexa.pdfIn PDF document text
- http://dkyangmei.com/uploadfile/file/2021062420255673499.pdfIn PDF document text
- http://h-st.nl/bestanden/files/wakavoxun.pdfIn PDF document text
- https://mgs-on-track.com/app/webroot/userfiles/file/5727705741.pdfIn PDF document text
- http://ropesadventure.com/d/files/34030497742.pdfIn PDF document text
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/5bg9n1g862hrv30e74valtgcb4/xagopunikigomasu.pdfIn PDF document text
- https://ags-car.60km.com/upload/files/29070966000.pdfIn PDF document text
- https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/00c7a31475a89cded3131b9653f6996e/814531964.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16083b68d59f7f---jokagadawekelabelomekabe.pdfIn PDF document text
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16100ef99eec0a---luzopezolarezufuf.pdfIn PDF document text
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/8813d1e231f4d4713f277c9218806611/66539110507.pdfIn PDF document text
- http://ozanatalan.com/iboard/includes/userfiles/files/92837536001.pdfIn PDF document text
- http://auxerretv.com/content/public/file/tamurenejixoregedib.pdfIn PDF document text
- http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/f7b73c8dd903442981c4ea1b97bde0d0/dodekixupuwakawox.pdfIn PDF document text
- https://agrimal.pl/userfiles/file/kevopewifatif.pdfIn PDF document text
- http://cmtsport.com/pliki/xabizete.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=foxit+pdf+merge+onlinePDF 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_off0000c386.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC386 | 10592 bytes |
SHA-256: c0d674b50a3f6ebf050be52cd486c61310d61a1760df1c4809ae4a22a5f29e7f |
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font_01_sfnt_off0000db6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB6D | 16576 bytes |
SHA-256: 82a2df61384cbc5636b473dce8977ebea677bd194bb36d9ad863c78c80ce1bf1 |
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font_02_sfnt_off000105eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105EB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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