MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as a phishing trojan and ML classifiers indicated maliciousness. It contains numerous links pointing to various domains, many of which appear to be compromised or disposable, suggesting a link farm or phishing lure. The embedded URLs and the heuristic firings strongly indicate a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://nevisnews.com/userfiles/31467127756.pdf In PDF document text
- http://safires.cz/ckfinder/userfiles/files/26677781392.pdfIn PDF document text
- http://a-kamen.com/userfiles/file/jabekizika.pdfIn PDF document text
- https://twfern.org/upload/ckfinder_temp/files/20210528011524.pdfIn PDF document text
- https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/760vifsd61k4jc4p3b6re1gtob/10620929052.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a7036da9fa6---35836071677.pdfIn PDF document text
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088a253d022f---67097522643.pdfIn PDF document text
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/sd46qu9omd4nj809n8l5ueu451/95791532972.pdfIn PDF document text
- http://xz-brand.com/ckfinder/userfiles/files/2499342256.pdfIn PDF document text
- http://www.bash.cl/media/file/gukugiv.pdfIn PDF document text
- http://apexibd.com/uploads/fck_uploads/file/63162445211.pdfIn PDF document text
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16077c9bf9f640---gagul.pdfIn PDF document text
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b09fbc97c8b---tomujavej.pdfIn PDF document text
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/16085abed070fc---86925423262.pdfIn PDF document text
- http://artecgroupservices.com/imagenes/file/ketate.pdfIn PDF document text
- http://kojeneckezbozi.eu/userfiles/file/86568022471.pdfIn PDF document text
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/3ed724f78431246a19608c02df2ff07c/nogezotasemuxa.pdfIn PDF document text
- http://www.cddfct.com/up_files/file/mukemufejobilokuri.pdfIn PDF document text
- http://chetaomaynganhnhua.com/uploads/files/59807188163.pdfIn PDF document text
- https://quatden.vn/webroot/img/files/xenov.pdfIn PDF document text
- https://eatorhours.org/e-bussiness/fckimages/file/pesefi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=richard+m+snider+reign+picturePDF 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_off0000f292.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF292 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010aa9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AA9 | 10940 bytes |
SHA-256: 8f5df2ac5080e155542862e0050e59c1c202ddff21f7a1fc3f50a024ec84e317 |
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font_02_sfnt_off000123a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123A4 | 18212 bytes |
SHA-256: 1c00aee3f252f8e22950a4823ecad385c31fbc3148e9e0432882f54ace705144 |
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