MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to potentially malicious PDF files. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM indicates a link farm designed to obscure the true destination, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://mannaz.pl/userfiles1/file/zowisozikerodikesimer.pdf In PDF document text
- http://studiotecnicolamanna.com/userfiles/files/31028406863.pdfIn PDF document text
- http://stellar-toys.com/ckfinder/userfiles/files/xarovefamijesazajuwin.pdfIn PDF document text
- http://xiangzhuan.tw/upload/files/12247035157.pdfIn PDF document text
- http://media-production.net/admin/ckfinder/userfiles/files/jalulip.pdfIn PDF document text
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137773e354e3---gakugotirul.pdfIn PDF document text
- http://cdenito.net/userfiles/file/kizevoso.pdfIn PDF document text
- http://infas.cz/images/wiswig/file/56831282771.pdfIn PDF document text
- https://tidurmalam2.com/contents/files/sujesavulusaxabenujuzot.pdfIn PDF document text
- http://www.ap-arte.ro/fckupload/file/60516025125.pdfIn PDF document text
- http://www.huescalamagiaenfotos.com/userfiles/files/wufinanagimavusirelerowo.pdfIn PDF document text
- https://xedulichhaiphong.vn/images/news/files/38971504524.pdfIn PDF document text
- http://kmsenior.org/file/files/66315529558.pdfIn PDF document text
- https://woodfur.in/userfiles/file/luzexoxilep.pdfIn PDF document text
- http://dominopark.pl/public/upload/ckfinder/userfiles/files/jiwikuvagisuludiror.pdfIn PDF document text
- http://huichem.com/ckfinder/userfiles/files/83770186435.pdfIn PDF document text
- http://tongchangkj.com/uploadfile/file///2021090508444855.pdfIn PDF document text
- http://jdjcnc.com/upfolder/e/files/20210919010314.pdfIn PDF document text
- http://ergakiland.ru/files/files/18194536041.pdfIn PDF document text
- http://katela.net/userData/board/file/rogiwavusugegemu.pdfIn PDF document text
- https://corumosmanlimakina.com/js/ckfinder/userfiles/files/44669963745.pdfIn PDF document text
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/161344d3a1cebe---51932955477.pdfIn PDF document text
- http://varvshistoriska.com/file/gesab.pdfIn PDF document text
- https://martabaktelor.com/contents/files/nirozoselariwugemo.pdfIn PDF document text
- http://pathtojanna.com/userfiles/files/48760460362.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=download+powerdirector+bundle+versionPDF 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_off0000e06b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE06B | 10900 bytes |
SHA-256: 022df8353c94f8c508b30aa95d9e3603a56ca6ae49e16e75f112fd94e29cb149 |
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font_01_sfnt_off0000f992.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF992 | 18644 bytes |
SHA-256: e87cbe9fa1157e787cb7eb836adb6b4fba84115d12151d2bb2dbb3b9df29323e |
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font_02_sfnt_off00012a21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A21 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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