MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, with a high heuristic indicating it functions as a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution. The presence of many distinct hosts and the 'utm_term_redirector' flag further support the link farm characteristic, aiming to obscure the ultimate destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://avalon-essenzen.at/userfiles/file/zupiziku.pdf In PDF document text
- http://accronline.com/userfiles/file/vuwufal.pdfIn PDF document text
- http://ihdbd.org/upload/files/71215693975.pdfIn PDF document text
- http://www.sanjuktabanerjee.com/fckimages/file/95030523426.pdfIn PDF document text
- http://madiran-cruduparadis.fr/ckfinder/userfiles/files/41860578184.pdfIn PDF document text
- https://hoongnau.com/upload/files/41213173824.pdfIn PDF document text
- http://ciccioinpentola.com/userfiles/files/rodisapovigunej.pdfIn PDF document text
- https://yaofangpeixun.com/upload/files/molulasisep.pdfIn PDF document text
- http://czechdidgeridoo.com/admin/upload/file/jukonosulepaxozub.pdfIn PDF document text
- http://cmrivestimenti.com/userfiles/files/80149221994.pdfIn PDF document text
- https://ilexgold.com/app/webroot/files/userfiles/files/zekoba.pdfIn PDF document text
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613c03f6b3bd0---86856865475.pdfIn PDF document text
- http://kowalstwwo.pl/public/cms/images/file/9941834476.pdfIn PDF document text
- https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1614138181a6ba---butetoxiniruwutig.pdfIn PDF document text
- https://icbacademy.com/upload/files/49493164252.pdfIn PDF document text
- https://cafemocion.com/userfiles/file/16605740937.pdfIn PDF document text
- http://didula.com/img/file/rowenawigeno.pdfIn PDF document text
- https://sma-dfgg.org/site/admin/file/kunorokurofemobosipiw.pdfIn PDF document text
- https://www.artikel238.nl/emmwebbit/resources/ckfinder/userfiles/files/50835439331.pdfIn PDF document text
- https://ev-owners.jp/userfiles/files/mozawowusepegivalu.pdfIn PDF document text
- http://icbacademy.com/upload/files/98142745860.pdfIn PDF document text
- https://ooo-kenk.ru/userfiles/file/gazujidopedof.pdfIn PDF document text
- http://oprandi.it/userfiles/files/geniweguponavurew.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=ensamblajes+solidworks+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_off0000d4f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4F9 | 10992 bytes |
SHA-256: e1b5f692eac1b4121603f3bf0356b16ff68b2f66a8c85be5c83f18f3be6ce39d |
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font_01_sfnt_off0000ee38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE38 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001064a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1064A | 17720 bytes |
SHA-256: 4733edc2eef9685820b6e709492812042a872d3dd77bb2c0622f13a2b3bb5289 |
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