MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting a link farm designed to redirect users to malicious content. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://irlanc.ru/uplcv?utm_term=solidworks+simulation+assembly+tutorial+pdf PDF link annotation
- https://hssipm.com/wp-content/plugins/super-forms/uploads/php/files/952cb068083477b2e8d83f291bd0673e/10703734156.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16079a3b7199ae---xojuvotufaludimunidule.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/3eb304e89148862b10453ca89dbe67cb/wezabinimomokagerajukop.pdfIn PDF document text
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a896869d4f8---baxokezupukikemeraxinefur.pdfIn PDF document text
- http://euro-ex.com/images/blog//file/41216471781.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9135e8f8d1---gagogepovatakonomedi.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f7a60c26442---62081377046.pdfIn PDF document text
- https://parlagame.com/calisma2/files/uploads/sodilikede.pdfIn PDF document text
- https://dijitalsanat.link/upload/files/nigekonidalekogutiju.pdfIn PDF document text
- http://oreade-breche.fr/userfiles/file/55958935198.pdfIn PDF document text
- https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/953abc483f0b5f599f84bd399548a224/93720786167.pdfIn PDF document text
- https://muzeumkonstancina.pl/attachments/file/91682563748.pdfIn PDF document text
- http://esipro.fr/userfiles/file/7534298492.pdfIn PDF document text
- http://ohana1bbq.com/uploads/files/lijegufetoj.pdfIn PDF document text
- http://yachtandgulet.com/userfiles/file/dimidivojutudatumi.pdfIn PDF document text
- http://sciattella.net/images/file/99814541676.pdfIn PDF document text
- https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/0a90a1060ee8eaf1c288d94a776240af/81950390029.pdfIn PDF document text
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160f4ef0eaa52a---60207901790.pdfIn PDF document text
- http://josephlillianmorrisfamily.com/clients/59960/File/73553214709.pdfIn PDF document text
- http://mdsalon.ru/img/lib/file/93716138362.pdfIn PDF document text
- https://epponline.com/mentorfinancial/page_images/file/dumutoxire.pdfIn PDF document text
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1606cae4c05b3c---85145276647.pdfIn PDF document text
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/5f690c4b156663cf114929e3f9f251aa/97636820902.pdfIn PDF document text
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a4a1170d8f---62324650454.pdfIn PDF document text
- http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3dd414449---dazirow.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160965a7195183---87086272228.pdfIn PDF document text
- 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_off0000d6b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6B7 | 11264 bytes |
SHA-256: 2bf31b5f60367a282b4f9a802d1d74916ca68b64ff741da197c12298525172df |
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font_01_sfnt_off0000f0fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0FB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001090d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1090D | 17132 bytes |
SHA-256: 0883f39cc4dd045aa7b9e8d7e5fef3bcbd412dff1e74927e8148293666fabc89 |
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