MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites or disposable hosting, indicative of a link farm designed to distribute malicious content or phish users. The ClamAV detection and ML classifier strongly suggest malicious intent, specifically related to phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://chcial.ru/uplcv?utm_term=how+to+associate+android+device+with+google+account PDF link annotation
- http://mexvp.com/ckfinder/userfiles/files/99834548431.pdfIn PDF document text
- https://ketex.com/trcgp/ckfinder/userfiles/files/90769849817.pdfIn PDF document text
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/34ad0d0a57bb7062884187e34bceb05f/bajuzakenojenexud.pdfIn PDF document text
- https://52fantasies.com/home/holly/public_html/ckfinder/userfiles/files/papegidadexezasa.pdfIn PDF document text
- http://maskaevlawyer.ru/userfiles/file/83050081016.pdfIn PDF document text
- https://magicdiscoradio.com/userfiles/file/32310585602.pdfIn PDF document text
- http://aaz.sk/editor_uploads/files/susudobifejejetopijaxi.pdfIn PDF document text
- http://elsped.hu/files/file/61680994795.pdfIn PDF document text
- http://magic-mugs-factory.com/uploadfile/files/66030636771.pdfIn PDF document text
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/dcb7155e88afc3eb90a08ce9d6861869/sojafegufadoxuvejamola.pdfIn PDF document text
- http://bsa-billiard.by/images_from_html_editor/file/genodiwowitebidukilujik.pdfIn PDF document text
- http://staractivecollection.com/resimler/site/files/42072495383.pdfIn PDF document text
- https://gulf-rope.com/images/bulk_images/files/69502799013.pdfIn PDF document text
- http://anipetkingdom.com/webroot/img/files/xavura.pdfIn PDF document text
- https://texasbordervolunteers.org/userfiles/file/67969913227.pdfIn PDF document text
- https://aimhc.com/userfiles/file/45098556993.pdfIn PDF document text
- http://www.halpellet.hu/userfiles/files/64712500723.pdfIn PDF document text
- http://roberlo.cz/www/files/file/somaboraru.pdfIn PDF document text
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613db59a97960---50751041318.pdfIn PDF document text
- http://texinpack.com/uploadfile/file///2021090616542563.pdfIn PDF document text
- http://gmtshipping.com/attachment/file/xegesumeder.pdfIn PDF document text
- https://digireg.nz/upload/28670413612.pdfIn PDF document text
- http://corporatiegids.nl/uploads/files/xapufevafedume.pdfIn PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/uuuuju0g7sq40coj42qibq47n8/nogorusumilifosodazofekug.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_off0000e629.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE629 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fe3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE3B | 17840 bytes |
SHA-256: f74335884dcb5b7b80ca373e8fc444cfb496820d33599a13a55f9ce56aae4d76 |
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font_02_sfnt_off00012c84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C84 | 10892 bytes |
SHA-256: a0c5521b66e58b7a755b658085d85062ae7ae871feae072a29cc1c0212404dde |
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