MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to PDF files hosted on various domains, suggesting a link farm or redirection mechanism. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM indicates a pattern of using disposable hosting for these links. While no scripts were explicitly extracted, the nature of the embedded URLs and the detection as a trojan implies an intent to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 http://kondicionery-dzerzhinskij.ru/upload_picture/file/55406062488.pdf In PDF document text
- http://101eyewear.com/luutru/files/60915311129.pdfIn PDF document text
- https://blsautomation.com/ckfinder/userfiles/files/89804584196.pdfIn PDF document text
- https://anjingliar.com/contents/files/2539294428.pdfIn PDF document text
- http://offerparts.com/upload/files/pepuvudovitemuzegodagi.pdfIn PDF document text
- http://ctnphrae.com/ckfinder/userfiles/files/lamaxeg.pdfIn PDF document text
- http://www.serenissimaservizi.com/files/31587754934.pdfIn PDF document text
- https://arichaindia.com/userfiles/file/69460359376.pdfIn PDF document text
- https://mb-classic-service.de/userfiles/file/feropo.pdfIn PDF document text
- http://bebsulmare.com/userfiles/files/lolejagud.pdfIn PDF document text
- http://arabic.cz/ckfinder/userfiles/files/15104729740.pdfIn PDF document text
- https://mjrspot.com/fckimages/file/famebazoletisi.pdfIn PDF document text
- http://juditphotography.com/picture/userfiles/file/lifixubizekiv.pdfIn PDF document text
- http://turinhotelcompany.com/userfiles/files/rulux.pdfIn PDF document text
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/16152e548bd97b---26053944930.pdfIn PDF document text
- https://jeevadhara.org/work/london/userfiles/file/49606649789.pdfIn PDF document text
- https://baruipur.org/ckfinder/userfiles/files/65944638943.pdfIn PDF document text
- http://eatatrudy.com/uploads/files/fotunuf.pdfIn PDF document text
- http://cmorshomecareassociates.org/uploaded_files/userfiles/files/vakokumasewane.pdfIn PDF document text
- https://somogyplusz.hu/files/mowepotobi.pdfIn PDF document text
- https://khmernative-rice.com/userfiles/file/96459846580.pdfIn PDF document text
- http://apismorava.eu/docs/loxorekutixed.pdfIn PDF document text
- https://drlanda.hu/user/file/mawoxevumupibexolukivasur.pdfIn PDF document text
- https://sibiucuratenie.ro/fckeditor/userfiles/file/bimukurevomirironis.pdfIn PDF document text
- https://detskeihriska.eu/ckfinder/userfiles/files/88625296714.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=aplicacion+para+cambiar+tono+de+llamada+androidPDF 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_off0000c082.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC082 | 10628 bytes |
SHA-256: 0b356e25769743fd9f34bded43c83b2324acbd5c9cf140799fc323de09f0a586 |
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font_01_sfnt_off0000d896.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD896 | 18116 bytes |
SHA-256: 2e3072af5d7f4b068d498b4eeaabb36fc1bc63ef24b8b8ed2fa2e49c7095e600 |
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font_02_sfnt_off00010785.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10785 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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