MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links pointing to compromised websites and link farms, suggesting a phishing or malware distribution lure. The presence of external URIs and link farms indicates an attempt to redirect the user to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://huntic.ru/uplcv?utm_term=literatura+universal+1+bachillerato+algaida+pdf PDF link annotation
- http://gardens-spa.com/user_pict/file/xokefowejuwugeru.pdfIn PDF document text
- http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/26b0c83f9b07047c5894675585c7b33a/94388858311.pdfIn PDF document text
- http://goldenbaycruisesagent.com/userfiles/file/4866774168.pdfIn PDF document text
- http://e-pisanie-prac.pl/famprojekt_z_serwera/images/file/5587143989.pdfIn PDF document text
- https://ebooksweb.net/files/file/jigudenevitijarolosadi.pdfIn PDF document text
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611690f7adc9a---zibuda.pdfIn PDF document text
- https://autotrans911.com/thread/admin/uploads/file/pefovowi.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160cb4990a3743---8045884336.pdfIn PDF document text
- https://equator-maritime.com/userfiles/file/30034343933.pdfIn PDF document text
- http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b2f356c752---52974712605.pdfIn PDF document text
- https://hkparkkonutlari.com/image/files/nebizetetenesep.pdfIn PDF document text
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/blpj9gd4bvci3atqn3q4fffevf/vufijoxatiki.pdfIn PDF document text
- http://www.mecateengenharia.com.br/ckfinder/userfiles/files/35402037139.pdfIn PDF document text
- http://eventologia.com/userfiles/files/sibojegugizulidarut.pdfIn PDF document text
- https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/vag88sfci24omau357d84bgnv3/tinedi.pdfIn PDF document text
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/ppujkk8pju0jmpbf3l2ds8bamq/bajafejulolag.pdfIn PDF document text
- http://atenngo.com/admin/sites/site/documents/rofigi.pdfIn PDF document text
- https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/tvfj9kekmeqrq84e1c37pjjnot/pavutejusufonanatasimawef.pdfIn PDF document text
- http://pattarasawat.com/ckfinder/userfiles/files/12038775874.pdfIn PDF document text
- https://bnovum.hu/downloads/mofazarazevikilevixozi.pdfIn PDF document text
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610513899197a---fixinolimofunamesakedos.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_off0000f622.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF622 | 20244 bytes |
SHA-256: 9baba9524248ec0137c68fdf1d472667c1be96ce0c7ee4beb672d8273b2cc6be |
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font_01_sfnt_off00012b08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B08 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001431f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1431F | 11216 bytes |
SHA-256: 98b616ae5cc18e90a083e8a6b351fa4e210b5520d7d60b3fddd918648dd604fc |
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