MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded links pointing to various domains, many of which appear to be part of a link farm designed to obscure the ultimate destination. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests a malicious intent to redirect users to potentially harmful sites. ClamAV detection and ML classification further support the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://gwardiajuvenia.pl/zdjecia/fck/file/lujijopujinajopu.pdf In PDF document text
- https://kede.org/userfiles/file/1939946700.pdfIn PDF document text
- http://another-partner.morefriendship.com/upload/files/94465985075.pdfIn PDF document text
- https://htcpost.vn/vietpost.vn/img_content/file/segukag.pdfIn PDF document text
- http://audyt.rowerowaszkola.pl/imgturysta/files/xawumomijakudulovi.pdfIn PDF document text
- http://www.kigimex.com.vn/ckfinder/userfiles/files/zerepijaxukila.pdfIn PDF document text
- http://hzzxtl.com/UploadFile/file/20210914010234728.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613cc67833ba8---vitemo.pdfIn PDF document text
- http://paykaaluminiya.ru/ckfinder/userfiles/files/nukexekajojizetenizugareb.pdfIn PDF document text
- http://sochi-vitrazhi.ru/ckfinder/userfiles/files/810117669.pdfIn PDF document text
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/5d59eda2654186bff4bb186af8dcdcb0/pegaja.pdfIn PDF document text
- http://wiskind.com/filespath/files/20210904073845.pdfIn PDF document text
- http://frutapac.com/ckfinder/userfiles/files/16430903085.pdfIn PDF document text
- http://getvisa.ru/images/File/17593476156.pdfIn PDF document text
- http://coeb.eu/userfiles/files/xevaxixo.pdfIn PDF document text
- http://angelojrobles.com/admin_initial_test/userfiles/file/52444454470.pdfIn PDF document text
- http://lumieye.com/userData/ebizro_board/file/34619839164.pdfIn PDF document text
- http://yongchengtech.com/uploads/files/202109160647064100.pdfIn PDF document text
- http://rhondachem.com/d/files/wuguluvusexajobapojijana.pdfIn PDF document text
- https://halead.com/uploadfile/1631688994.pdfIn PDF document text
- http://holland-ex.com/images/blog/file/jebizolulitudegagonifa.pdfIn PDF document text
- https://beamstraffic.com/amb/userfiles/file/xulunag.pdfIn PDF document text
- http://kaymccarthy.com/immagini/file/17600764565.pdfIn PDF document text
- http://e68momo.com/shopadmin/upload/files/molube.pdfIn PDF document text
- http://kstarsmall.net/userfiles/file///fufaxavosuri.pdfIn PDF document text
- http://zawodydrwali.pl/app/webroot/userfiles/file/xovefobas.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=how+to+transfer+photos+to+my+new+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_off0000c719.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC719 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000df30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF30 | 10676 bytes |
SHA-256: 3fc956dc408096ee3aeb65ca5aec6448e112ff6f35d1fc9e0de6ae848efe2316 |
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font_02_sfnt_off0000f786.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF786 | 17904 bytes |
SHA-256: 4aa6d9624d4547f30b1e6e7c3fb16f4fef5f688299406725f785995af4775c60 |
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