MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which are structured as link farms on disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://chcial.ru/uplcv?utm_term=modern+family+season+11+gomovies PDF link annotation
- http://nerezove-kuchyne.cz/UserFiles/File/64455888524.pdfIn PDF document text
- https://zahrek.com/userfiles/file/munoradowaxizizev.pdfIn PDF document text
- https://dialogueinpraxis.net/files/docs/venalugap.pdfIn PDF document text
- http://medica-eg.com/userfiles/file/30312448025.pdfIn PDF document text
- http://yibetter.com/data/files/7985486257.pdfIn PDF document text
- http://www.octopus-quatuorvocal.com/ckfinder/userfiles/files/xetuxuvetomaderoxerowifu.pdfIn PDF document text
- http://retailpark.bg/uploads/wysiwyg/files/85838654576.pdfIn PDF document text
- http://zsmnowakowski.pl/userfiles/file/kesemokuwarom.pdfIn PDF document text
- http://acupunctuuryao.nl/ckfinder/userfiles/files/jowasil.pdfIn PDF document text
- https://www.opsclown.it/ckfinder/userfiles/files/bukama.pdfIn PDF document text
- http://areawifi.com/DESARROLLO/userfiles/files/4123307176.pdfIn PDF document text
- http://vodnik48.ru/content/file/wopusojozezadina.pdfIn PDF document text
- http://ncdesign.it/userfiles/files/rizoputilen.pdfIn PDF document text
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138d5b267d2f---29208223711.pdfIn PDF document text
- http://weilandensemble.nl/ckfinder/userfiles/files/pivosudo.pdfIn PDF document text
- https://contemporaryteas.in/admin/uploads/file/51069244559.pdfIn PDF document text
- http://oikoscoccatoarchitettura.com/userfiles/files/17900921115.pdfIn PDF document text
- http://villalapinetafavignana.it/userfiles/files/mukifojatigoxoviwepabuxo.pdfIn PDF document text
- http://bobas24.pl/Upload/file/2582277945.pdfIn PDF document text
- https://carcable-bg.com/uploads/pictures/files/12076434626.pdfIn PDF document text
- http://unipsyclinic.com/userfiles/file/20210909163205.pdfIn PDF document text
- https://vaitinhdien.com/app/webroot/upload/files/mukotitotanabikod.pdfIn PDF document text
- https://ezokniga.com/uploads/file/xipiwanidodudulexegojegid.pdfIn PDF document text
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/161371c2331261---fusabuxurevabe.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_off0000dcd0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCD0 | 10824 bytes |
SHA-256: a8ce7686fb3290a7c9b6e5395d2490f6cb618ada5bd0085940f9206b7051fc96 |
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font_01_sfnt_off0000f59d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF59D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010daf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DAF | 18164 bytes |
SHA-256: 7b24ca29b7dc8ffcebb459c5e4583484e54f86f6437021596d8b6ba91812bef3 |
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