MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many pointing to compromised WordPress uploads and disposable hosting, suggesting a link farm designed to redirect users to malicious content. ClamAV detected this as Pdf.Phishing.Trojan, and ML classification strongly indicated maliciousness. The primary attack pattern involves luring users through a malicious attachment to a network of potentially compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9876
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://seikai.jp/free_images/files/lokalatitase.pdf In PDF document text
- https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/b21d51cea47e7423556cb2edf01d77ff/nimuwereto.pdfIn PDF document text
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a497926f6a9---dawixorexodebelisem.pdfIn PDF document text
- http://maxgear.cz/webpagebuilder/ckfinder/userfiles/files/97000966765.pdfIn PDF document text
- http://e-hematologica.pl/users//file/88302069459.pdfIn PDF document text
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/e67b7d6ebd286867e15d4cf30e537950/56032719417.pdfIn PDF document text
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/v5rlnjjucmjl9ugucc9n3ifas2/lonateradobezex.pdfIn PDF document text
- https://waelfawzy.com/userfiles/file/In PDF document text
- https://hondaotohaiphong.vn/upload/files/45045237746.pdfIn PDF document text
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/76cb6e30d9a8d87e8e61a7c7b5f9cf39/32392499230.pdfIn PDF document text
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a916c5974f5---60441644235.pdfIn PDF document text
- http://westtech1963.com/clients/d/d4/d4250bc21dcbbf02d7f9bc68df143add/File/8516929109.pdfIn PDF document text
- https://oteaexpert.fr/cite_imgs/file/karevebewesuvanigizilomoj.pdfIn PDF document text
- http://gintaras.cz/userfiles/file/6889217767.pdfIn PDF document text
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/d70ba3e0af8f8e6688b6fb8084011ca9/61066053947.pdfIn PDF document text
- http://benevolo.it/userfiles/files/57856338950.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1608cc9855c276---19642450693.pdfIn PDF document text
- https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/2c8f61ff831416191d1a02d1193c51d1/7644542599.pdfIn PDF document text
- http://amazingindiaphotos.com/amazingindiaphotos//upload/fckimage/file/gedoronesofedebeludofe.pdfIn PDF document text
- http://cnc-soustruzeni.cz/files/file/15506654330.pdfIn PDF document text
- http://mevlanaasm.com/resimler/files/83162910386.pdfIn PDF document text
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/160733f0388f5e---lowerina.pdfIn PDF document text
- https://www.oneirishrover.com/wp-content/plugins/super-forms/uploads/php/files/05ed0c9d1c6643ff641fb21621511915/20210266360.pdfIn PDF document text
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609558f21da60---70956638600.pdfIn PDF document text
- https://shriayurvednagpur.org/public/ckfinder/userfiles/files/wefokijum.pdfIn PDF document text
- http://kasargod.net/uploads/file/sabojemixazin.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=high+school+musical+2+what+time+is+it+mp3+downloadPDF 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_off0001000f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1000F | 16864 bytes |
SHA-256: be2ca74e4e232bac62193379b1e24aae0696e91bd36f6b894f969ecffc98255b |
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font_01_sfnt_off00012c32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C32 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014449.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14449 | 11328 bytes |
SHA-256: 6bb55624ec5ee883511ab60ba5aae49c50e533316cef4d304acf26563be68e75 |
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