MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically identified as a phishing trojan. It contains numerous embedded URLs, many of which point to unknown domains, suggesting a link farm designed to redirect users to potentially harmful content. The presence of multiple external URIs and the link farm heuristic indicate a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 5
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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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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://jjc-dev.com/userfiles/file/didiv.pdf In PDF document text
- https://idea-web.ro/app/webroot/files/userfiles/files/65256508801.pdfIn PDF document text
- http://gidaero.com/upload/fckeditor/file/nirirenefibuwodikovu.pdfIn PDF document text
- https://jobtiara.com/files/files/90589834889.pdfIn PDF document text
- http://bilmatbasim.com/userfiles/file/jivawewegulufameseguba.pdfIn PDF document text
- https://hijaulumut.com/contents/files/99570657144.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613cbb349c3c9---16195699940.pdfIn PDF document text
- http://www.angels-rest.es/ckfinder/userfiles/files/zogepawuxaxeliwenaro.pdfIn PDF document text
- http://metalzilembo.it/userfiles/files/16279858720.pdfIn PDF document text
- http://assessmentinsight.com/ckfinder/userfiles/files/goxasugulo.pdfIn PDF document text
- http://tavio.su/files/file/duvudazoj.pdfIn PDF document text
- http://pm-property.pl/userfiles/file/15164794763.pdfIn PDF document text
- http://dd-eng.com/files/files/fexebuxelefaginelolijuke.pdfIn PDF document text
- https://grdr.org/paidel/ckfinder/userfiles/files/sejakidurixawedigajow.pdfIn PDF document text
- https://novahealthclinic.ca/userfiles/file/pakeg.pdfIn PDF document text
- https://ecowaytechnologies.com/ckfinder/userfiles/files/80449025554.pdfIn PDF document text
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c499ae2d84---wivutunimavuj.pdfIn PDF document text
- https://binhvi.com/upload/files/dozexujesuf.pdfIn PDF document text
- https://longhoang.vn/upload/files/69781915860.pdfIn PDF document text
- https://alpinismbihor.ro/app/webroot/files/userfiles/files/2449705545.pdfIn PDF document text
- http://moscreen.in/cmsfiles/file/nerodemobojopa.pdfIn PDF document text
- http://unibeauty.com.br/ckfinder/userfiles/files/79120516915.pdfIn PDF document text
- http://abwlargo.com/uploads/files/18259928443.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=squint+to+see+clearlyPDF 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_off0000b8db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8DB | 17612 bytes |
SHA-256: 6fb54b8a12ec7b9017ac0ef3de231346045039e3400ad7d39958e8d2fccc207b |
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font_01_sfnt_off0000e5eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5EB | 10660 bytes |
SHA-256: d9ad11c99f983e7e491fb13a2178ec739e3a6fc4c207e3730c736026518e0522 |
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font_02_sfnt_off0000fe81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE81 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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