MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or delivering a secondary payload. While no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with techniques used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://laborke.ru/uplcv?utm_term=download+gamezy+app+apk PDF link annotation
- http://akinmedikal.com/uploads/file/44705264557.pdfIn PDF document text
- http://tentauto23.ru/ckfinder/userfiles/files/47134083485.pdfIn PDF document text
- https://www.potravinyav21.cz/ckfinder/userfiles/files/turulujonuriwomalibozi.pdfIn PDF document text
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/97bq95f210gn7cghp68fk6era3/41652212901.pdfIn PDF document text
- http://odumakus.com/uploads/files/jepalarumi.pdfIn PDF document text
- http://dinskayarealty.ru/media/file/90838124480.pdfIn PDF document text
- http://a1climbing.com/userfiles/files/larigizafif.pdfIn PDF document text
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614980becbd2e---pokeweve.pdfIn PDF document text
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/b24dd6c1fc2ba0eaf114469daea9feca/49088867447.pdfIn PDF document text
- https://ever.dacola.com/upload/files/75245166933.pdfIn PDF document text
- http://ozdermusavirlik.net/userfiles/file/zekirurupigodelarik.pdfIn PDF document text
- https://lotusmarinevn.com/upload/files/21665593180.pdfIn PDF document text
- http://web5gstore.com/Files/files/bikezuduvositadufanit.pdfIn PDF document text
- https://adrfarysz.pl/userfiles/file/75857162685.pdfIn PDF document text
- https://mobilieroccasion.fr/uploads/file/wiveseveju.pdfIn PDF document text
- https://trinityautorepairs.com/uploads/files/kedonelikilorakof.pdfIn PDF document text
- http://quantri.thaisonpalacehotel.com/upload/files/2431523105.pdfIn PDF document text
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/d163e60813dae85cef24b54d15aec463/78683978149.pdfIn PDF document text
- https://tanthueviet.vn/img_data/files/nugojaralumulilu.pdfIn PDF document text
- http://qualityfirstservices.pro/testingsites/advantage_aviation/assets/media/file/50993967678.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/eap9i3d2mslc3gcokdjuu9gjph/deragiduwupig.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_off0000d247.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD247 | 17084 bytes |
SHA-256: 2954daca02a7989b7cbca4046603a985fec63464a07499d4addd6ceec7f9c2fb |
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font_01_sfnt_off0000fe25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE25 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001163c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1163C | 10632 bytes |
SHA-256: c21c06a4ac868a8572a01bcac636000dcc800d4bce09167cad4c8f27fa7cddad |
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