MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier indicating maliciousness. The PDF contains a large number of embedded URLs, many of which point to disposable hosting or link farms, suggesting a phishing or malware distribution campaign. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating the document is designed to host numerous links. No scripts were extracted, but the overall structure and URL distribution strongly suggest a malicious intent to redirect users to harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 5
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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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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://ketchas.ru/uplcv?utm_term=o+letter+words+in+english PDF link annotation
- http://talleresjpg.es/img/file/pewevexogafivib.pdfIn PDF document text
- https://hot-pol.com/images/file/kenaviviwixotevidofekol.pdfIn PDF document text
- https://palet-school.com/files/files/38479510389.pdfIn PDF document text
- http://congnghieptauthuyvietnam.vn/upload/files/4640262637.pdfIn PDF document text
- http://fatamorgana.fr/uploads/assets/file/27321522470.pdfIn PDF document text
- http://teusz.pl/UserFiles/file/dujuw.pdfIn PDF document text
- https://skl.deindrukdemo.nl/upload/files/30765771487.pdfIn PDF document text
- http://sherwoodchambergolf.com/ckfinder/userfiles/files/zapubogobeki.pdfIn PDF document text
- http://addisonplaza.abwingsmd.com/uploads/files/vofegofaxuxi.pdfIn PDF document text
- http://techscreening.com/userfiles/files/7537832116.pdfIn PDF document text
- https://fa-vietnam.com/webroot/img/files/woxajitiduzuvitepu.pdfIn PDF document text
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/161536965098aa---lozakarobi.pdfIn PDF document text
- https://cribpointonline.org/cribpointonline/userimages/file/gemowufijagawiwadetu.pdfIn PDF document text
- http://fgsconsulta.com.br/ckfinder/uploads/userfiles/files/butidufegafuv.pdfIn PDF document text
- https://bulgariapools.com/contents/files/manomupudokatazomibenu.pdfIn PDF document text
- http://aurangabadptti.com/ckeditor/ckfinder/userfiles/files/sifixav.pdfIn PDF document text
- https://self-storage.sg/images/uploadedimages/file/46372997744.pdfIn PDF document text
- https://transilvaniafishing.ro/app/webroot/files/userfiles/files/39242546093.pdfIn PDF document text
- https://www.traitagri-solutions-alternatives.fr/ckfinder/userfiles/files/lofozoduvomuzozibokux.pdfIn PDF document text
- http://holidayinntorino.com/userfiles/files/rixagesef.pdfIn PDF document text
- http://bestbelly.org/content/files/files/63542439770.pdfIn PDF document text
- http://kamakuralosgatos.com/uploads/files/93121090215.pdfIn PDF document text
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/787c57d8b7d1fc7096e8e0ded99eba9e/11240837481.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_off0000eb62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB62 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010374.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10374 | 17704 bytes |
SHA-256: 7e2ed598f8db3d8d9b7856fdb7bbe979681a7949f0c51f219949c47653ff82e2 |
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font_02_sfnt_off00013178.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13178 | 10476 bytes |
SHA-256: ddd37bed7b2b0db37eaa9b8176d8ab6d062a8cfe4703e0c3097b9931f5e2ab0b |
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