MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The file contains a link farm pointing to numerous unknown URLs hosted on compromised WordPress sites, suggesting an attempt to redirect users to malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bb00261d86---49439708853.pdf In PDF document text
- https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/084749271c7673ff7647e2c19b833e1e/72412413723.pdfIn PDF document text
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/l4m7bt05oltj93k5np8t1gn3p7/88364168005.pdfIn PDF document text
- http://iswii.net/ckfinder/userfiles/files/bupixexefumilufegizego.pdfIn PDF document text
- http://rgn2u.com/userfiles/files/ruzitetepu.pdfIn PDF document text
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/4759a1d2d8981a13e13ea11552ac192d/vonarusuvigiwudusoninesu.pdfIn PDF document text
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1611d061321505---dezalujosexetuwevaser.pdfIn PDF document text
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16090eef3517e5---37675597933.pdfIn PDF document text
- https://autosaloncenter.com/uploads/file/59731493496.pdfIn PDF document text
- http://yousefmaktabi.com/ckfinder/userfiles/files/darifusoveletulurenas.pdfIn PDF document text
- http://zulassung4you.de/bilder/file/51770470091.pdfIn PDF document text
- https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/0cj4b7b9h1838h35rb7eh6r8t3/dobevurexexazilegutusir.pdfIn PDF document text
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/16125ae82e260a---49118769285.pdfIn PDF document text
- http://denda.co.kr/ckfinder/userfiles/files/lapuw.pdfIn PDF document text
- http://skrabl.pl/www/rpbd/fck/file/56569910574.pdfIn PDF document text
- https://tavio.ru/files/file/48406571222.pdfIn PDF document text
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160767918c240b---forujexiled.pdfIn PDF document text
- https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/3rrhp61j3opog8p8p4ri9qlffn/xaremosolidarovisosoxiver.pdfIn PDF document text
- http://ebsenglish.net/_UploadFile/Images/file/99514623261.pdfIn PDF document text
- https://discoverapartmentsforrent.com/wp-content/plugins/super-forms/uploads/php/files/6c97f5fde329d66c66394b87778307c9/kojobizuta.pdfIn PDF document text
- https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/77742dbf4684c94fd3150c90951969a8/dasemipujonugomulilisiji.pdfIn PDF document text
- https://dagvandearchitectuur.be/_files/file/48720435862.pdfIn PDF document text
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1610e211beb15e---92085734344.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a379e7002c---34085206353.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=briggs+and+stratton+parts+manual+pdfPDF 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_off0000df24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF24 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f736.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF736 | 19004 bytes |
SHA-256: af185406b42d39ab435c86e776d49909e95831d25752abcc9c8da306c23f99ad |
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font_02_sfnt_off00012847.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12847 | 10860 bytes |
SHA-256: 7174e692726d21a6792f5c895120ade577558ce773129341f62085d197633ad8 |
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