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 are part of a link farm hosted on disposable domains, indicating a phishing or malware distribution attempt. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM further supports this, noting the document's structure is designed to redirect users through multiple hosts. No scripts were extracted, but the overall structure and URL distribution strongly suggest a malicious intent to redirect users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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=for+the+crossword+clue PDF link annotation
- https://novsport.com/content/File/36786849930.pdfIn PDF document text
- https://tort-art.ru/userfiles/file/pinumogan.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161583e33b3e91---xatamivuvugutibaberipuj.pdfIn PDF document text
- https://armagedonspedycja.pl/files/file/99700436005.pdfIn PDF document text
- http://www.la-rocca.pl/app/webroot/files/files/3479780781.pdfIn PDF document text
- http://malbreil.com/userfiles/file/xaworafosiseluvutewisevav.pdfIn PDF document text
- http://stoewebdesign.no/userfiles/file/66197870515.pdfIn PDF document text
- http://cabinet-blin.fr/ressource/site-image/files/54208769647.pdfIn PDF document text
- http://veszpremkosar.hu/_user/file/55679911245.pdfIn PDF document text
- http://parfumerieindex.nl/images/uploads/pawonopi.pdfIn PDF document text
- http://cmtl.in/uploads/userfiles/file/file/wexomuxesakiwisawofebi.pdfIn PDF document text
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16136777d814fc---tomoxavunuxeraz.pdfIn PDF document text
- https://mallncart.com/userfiles/files/pedulibaliluxo.pdfIn PDF document text
- http://quantri.thaisonpalacehotel.com/upload/files/86151952431.pdfIn PDF document text
- http://studioguatta.it/userfiles/files/27899426191.pdfIn PDF document text
- http://riverhouse.at/pcms/content/file/jiwagisukufofokamoji.pdfIn PDF document text
- http://medeeatour.ro/mm/file/tilavarutulipemuzudutiw.pdfIn PDF document text
- http://yaqeen-eg.com/userfiles/file/beruxoguborekaro.pdfIn PDF document text
- http://ankurgroups.com/userfiles/file/43440117494.pdfIn PDF document text
- http://worldnaturalfood.com/image/upload/File/22445113103.pdfIn PDF document text
- http://www.maderas-navarro.com/ckfinder/userfiles/files/labupunonifolokim.pdfIn PDF document text
- https://irrisyst.eu/files/file/33462574617.pdfIn PDF document text
- http://alwaditrading.com/userfiles/files/mufinujidazobemepik.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_off0000e854.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE854 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010066.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10066 | 18028 bytes |
SHA-256: c8599f0c0839620946081d1be70bdc0c735ce1c323aadc8502b4ba5127f772b7 |
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font_02_sfnt_off00012e9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E9D | 10272 bytes |
SHA-256: 2cb42b0eab87c78d72fba27a63409d109489538b602cd969110730485dbff343 |
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