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 malicious intent. The presence of numerous external URIs, many pointing to disposable domains and configured as a link farm, suggests a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the PDF structure and URI patterns are consistent with attempts to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://h-p-n.fr/catalogue_dynamique/file/fadinuxadopit.pdf In PDF document text
- https://habibitours.org/ckfinder/userfiles/files/32257610658.pdfIn PDF document text
- https://beauty-full.ru/uploads/files/rifofoximuvopuva.pdfIn PDF document text
- http://usefchina.com/uploadfile/file///2021091207224339.pdfIn PDF document text
- https://aimhc.com/userfiles/file/34426036205.pdfIn PDF document text
- http://mskabel.cz/UserFiles/File/ledazuzasozi.pdfIn PDF document text
- http://www.kigimex.com.vn/ckfinder/userfiles/files/46798749898.pdfIn PDF document text
- http://master-br.ru/img/file/xorerilowiw.pdfIn PDF document text
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/f9a50db48b3cda794c9edbab408cfd7d/83803041053.pdfIn PDF document text
- http://sgrappresentanze.eu/userfiles/files/89822518986.pdfIn PDF document text
- https://dbjadow.pl/attachments/file/46806195612.pdfIn PDF document text
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143c9bf009db---2538328229.pdfIn PDF document text
- http://frankslawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/16027679291.pdfIn PDF document text
- http://childconnect.com/swi/fckfiles/file/kabosikijuw.pdfIn PDF document text
- http://aftckwt.com/uploads/file/72672111424.pdfIn PDF document text
- http://maternites-catholiques.org/ressource/site-image/files/fupiwegu.pdfIn PDF document text
- https://al-farh-iq.com/upload/userfiles/file/pebejalo.pdfIn PDF document text
- http://siltherm.com/ckfinder/userfiles/files/lirovilipabesadok.pdfIn PDF document text
- https://chaletsuenodesol.de/files/30431953121.pdfIn PDF document text
- http://feuerwehr-mittenwalde.de/mediathek/files/jurizedezumufawefi.pdfIn PDF document text
- http://xn--aknmedcal-wpbe.com/uploads/file/latodofowuwaxigarubizap.pdfIn PDF document text
- http://envigest.cz/upload/file/zufovafuloditodokuzusoret.pdfIn PDF document text
- http://ahjygjg.com/upload_fck/file/2021-9-9/20210909191116911485.pdfIn PDF document text
- http://artsar.pl/userfiles/file/51473122728.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=correction+rules+of+english+grammar+pdfPDF 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_off0000eb34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB34 | 11200 bytes |
SHA-256: 3dd483c8941586cc0a9eae1e32865f7fa30acc48ead29a51cdbd77455bd7abd2 |
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font_01_sfnt_off0001050e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1050E | 18584 bytes |
SHA-256: fd3d448840e7b128b730700fff766387e7819ed8c536ec0c7dc6d2aeb8eae2a6 |
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font_02_sfnt_off00013574.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13574 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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