MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The presence of numerous embedded links, many pointing to disposable or unknown domains, suggests a phishing or malware distribution campaign. While no scripts were explicitly extracted, the PDF structure and link farm heuristic point towards an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://psiakocky-potisk.cz/webpagebuilder/ckfinder/userfiles/files/mobogemawojamolosuvo.pdf In PDF document text
- https://trade.inter-ural.ru/ckfinder/userfiles/files/34749306717.pdfIn PDF document text
- http://cold.lt/userfiles/file/88476731580.pdfIn PDF document text
- http://charugarware.com/DEVELOPMENT/charu_garware/uploaded/userfiles/file/86641172173.pdfIn PDF document text
- http://arabstina.com/ckfinder/userfiles/files/26178085603.pdfIn PDF document text
- http://pincailight.com/zk/UploadFile/file/2021090905365773499.pdfIn PDF document text
- http://zvezda-rostov.ru/ckfinder/userfiles/files/vifipuvu.pdfIn PDF document text
- https://fminterativa.net/cms/plugins/ckfinder/userfiles/files/91165146594.pdfIn PDF document text
- https://wildnaturetravel.com/File/naleguvexaziduwado.pdfIn PDF document text
- http://slstudio.it/userfiles/files/68194329240.pdfIn PDF document text
- https://camgloberealtor.com/userfiles/file/lanafixu.pdfIn PDF document text
- https://hearing-outlet.com/uploads/files/202109011433445545.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c249a8a74c---5759362665.pdfIn PDF document text
- http://www.ondebiz.com/userfiles/file/fujut.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c9dd524826---wokalimim.pdfIn PDF document text
- https://horacebatten.com/ckfinder/userfiles/files/78660988803.pdfIn PDF document text
- http://www.psychophonie-tarbes.com/ckfinder/userfiles/files/68100845151.pdfIn PDF document text
- http://hicoweld.com/shop/fck_file/file/71178130351.pdfIn PDF document text
- http://cukierniabrzezinski.pl/www/artizam/fck/file/tunezugurut.pdfIn PDF document text
- http://www.oteliapelsin.ru/ckfinder/userfiles/files/mojizeb.pdfIn PDF document text
- https://ksmt.edu.np/assets/ckfinder/userfiles/files/92394505384.pdfIn PDF document text
- http://inarchengineering.it/userfiles/files/23658569095.pdfIn PDF document text
- http://autofox.lt/ckfinder/userfiles/files/nikuvov.pdfIn PDF document text
- http://generale-bureautique.fr/gdb/files/file/welojabe.pdfIn PDF document text
- http://opuspointpartner.com/ckfinder/userfiles/files/tizefejagawotixitobud.pdfIn PDF document text
- https://jbdclothiers.net/emailer/userfiles/file/jafog.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=cinema+apk+for+android+phonePDF 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_off0000efd2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFD2 | 10572 bytes |
SHA-256: 28f7e2f4ef8f6a0bf5a3c1b05663a06bd2c0677a91ad9bd91da44c3fa32a97b8 |
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font_01_sfnt_off000107b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107B2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011fc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FC4 | 17252 bytes |
SHA-256: a02b065ad79aaa1c699039fd3ce7e8c2004fd4145851724949a8ff9997d5fb09 |
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