MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple external links, with a high-confidence heuristic identifying a link to an algorithmically generated URL. The PDF is also flagged as a link farm on disposable hosting, suggesting a common tactic for distributing malicious content or phishing lures. ClamAV detection and ML classification further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/a7d14b2d300a01116507a069f616eb89/nujulituzexozifemirefanuv.pdf In PDF document text
- https://gemma.lucien-sv.info/uploads/files/613fa0651bf4d.pdfIn PDF document text
- http://mail.me.ntou.edu.tw/ckfinder/userfiles/files/20210914_012506.pdfIn PDF document text
- https://nevisnews.com/userfiles/47390692768.pdfIn PDF document text
- http://haiannweb.com/uploads/files/wixenep.pdfIn PDF document text
- http://www.mostex.sk/files/articles/file/14442588265.pdfIn PDF document text
- http://ambulatorioveterinarioilghirlandaio.it/userfiles/files/31320835481.pdfIn PDF document text
- https://vcvscr.cz/www/www/fckphotos/file/80495121416.pdfIn PDF document text
- https://perfectprojects.ro/userfiles/file/62005523840.pdfIn PDF document text
- https://5ky13lu3-1251.com/contents/files/gekabadowewexetoxera.pdfIn PDF document text
- http://www.pattyn360.com/upload/forum/files/14059778098.pdfIn PDF document text
- http://hfnhsw.com/upload/files/sosavaliwob.pdfIn PDF document text
- http://falconfam.com/ckfinder/userfiles/files/66098136899.pdfIn PDF document text
- https://kermoulin.com/userfiles/file/moxotimoxanipumujobigur.pdfIn PDF document text
- http://bannermaul.com/userData/board/file/30871924993.pdfIn PDF document text
- https://southwestlooms.com/admin/userfiles/files/67493139785.pdfIn PDF document text
- https://komunalno-vrgorac.hr/files/vizaw.pdfIn PDF document text
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161318880c1d21---78608409395.pdfIn PDF document text
- https://cvconstructionsgoa.com/pharma/admin/userfiles/file/sumaram.pdfIn PDF document text
- https://takitech.hu/userfiles/file/70516653101.pdfIn PDF document text
- http://mishor-uvk.com/uploads/files/zesididutiwopiwopi.pdfIn PDF document text
- http://dpsszczytno.pl/photo/file/32896814515.pdfIn PDF document text
- http://rentappli.com/tinymce/jscripts/tiny_mce/plugins/phpimage/phpimage/upload/images/file/jisalena.pdfIn PDF document text
- https://vas-vill.hu/userfiles/file/31077779406.pdfIn PDF document text
- http://coytex.net/ckfinder/userfiles/files/godudetuf.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=apple+store+on+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_off0000df2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF2B | 16988 bytes |
SHA-256: 658e46a53a2182ad8aa679843ecc3241003a9425b203067b0a5bbe512e441e21 |
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font_01_sfnt_off00010b2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B2A | 10368 bytes |
SHA-256: 873537f06d270bd89afd3ac41c50e2a6eb25ba49aff1ff7c8eaa8a8df662939a |
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font_02_sfnt_off000122b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122B9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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