MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, with many pointing to unknown or suspicious domains, indicating a link farm designed to redirect users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this malicious intent. ClamAV detection and ML classification further confirm its malicious nature, likely as a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 https://coebmsf.com/userfiles/file/90048128210.pdf In PDF document text
- http://krzeptowski.pl/file/2767700663.pdfIn PDF document text
- https://limblength-sldf.com/userfiles/file/28134947184.pdfIn PDF document text
- https://dunaweb.co/bg_image/files/dotivot.pdfIn PDF document text
- http://okna-stv.ru/userfiles/files/vojozena.pdfIn PDF document text
- http://itemclinicchina.com/ckupload/files/52883042767.pdfIn PDF document text
- http://hoteldarim.ir/basefile/hoteldarimir/files/22214396733.pdfIn PDF document text
- http://www.sport-konyv.hu/userfiles/file/95518714447.pdfIn PDF document text
- http://speckletrack.com/update/editor/file/tudakivamobujirutotugopej.pdfIn PDF document text
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1613565735c1f1---77832192775.pdfIn PDF document text
- http://netisiletisim.com/guvennet/resimlerfiles/91712317751.pdfIn PDF document text
- http://tivatijapan.com/uploads/userfiles/file/36526510839.pdfIn PDF document text
- https://businesslife.com/content/files/84552309151.pdfIn PDF document text
- https://envida-nieuws.nl/bsb_website/upload_fck/file/boweduvovofiperisisemo.pdfIn PDF document text
- http://jamesandsons.ca/userfiles/file/99341149264.pdfIn PDF document text
- http://www.jasfec.com/imgs/uploads/gasetesemizirezobeman.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/gimawegokevibukoj.pdfIn PDF document text
- http://milwaukee.center/userfiles/file/zelobime.pdfIn PDF document text
- http://xn--h49al71atridzo.com/userData/board/file/likajejidudejebadinule.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/7e4012d24ef5245f7529eab82de9452d/zifatilomijugowe.pdfIn PDF document text
- https://iaido-iaijutsu.ru/userfiles_exc/43926010835.pdfIn PDF document text
- http://lookkorea.net/userfiles/file/41124481331.pdfIn PDF document text
- http://pfmconsulting.org/survey/userfiles/files/65162023107.pdfIn PDF document text
- http://alt-1c.ru/userfiles/file/poxolubuvog.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=alight+motion+video+editor+app+downloadPDF 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_off0000dc6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC6C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f483.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF483 | 10804 bytes |
SHA-256: 177cdb053cb5ec582e9e62e30c5fafe51d53c1cd6d3af3a76bd1b64cc505d339 |
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font_02_sfnt_off00010d05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D05 | 16716 bytes |
SHA-256: 1040fbaa795db9119dc31a24239b8b9c17d912edb8fc7cc4848ac424f921b7a6 |
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