MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The PDF contains JavaScript actions and numerous embedded links, many pointing to disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to redirect users to malicious sites for further exploitation or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 7
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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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JavaScript action low PDF_JAVASCRIPTPDF contains a /JavaScript action. 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 https://medvor.ru/uplcv?utm_term=webview+download+file+android PDF link annotation
- http://xn--djr00fsyfv0o5qgy9u.net/filespath/files/20210912135725.pdfIn PDF document text
- http://ppfi-online.com/userfiles/file/19904946685.pdfIn PDF document text
- http://shendaoguoji.com/data/attachment/file/43561440792.pdfIn PDF document text
- http://edu-soft.ru/site/htmlimages/file/rawot.pdfIn PDF document text
- https://gosselindesign.com/images/from_fckeditor/fichiers/zoderutomut.pdfIn PDF document text
- http://restauraceeverest.cz/userfiles/file/47250614222.pdfIn PDF document text
- http://xn--rssx31a7tec6p.com/upload/userfiles/files/20210912071221.pdfIn PDF document text
- https://budgetparking.ca/admin/uploads/file/gatomevolopamu.pdfIn PDF document text
- https://transmar.biz/ckfinder/userfiles/files/telukakusevebejek.pdfIn PDF document text
- https://menokatea.in/ckfinder/userfiles/files/sikutami.pdfIn PDF document text
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613283f238b70---27479712030.pdfIn PDF document text
- http://ambulatorioveterinariovianello.eu/userfiles/files/xubesuveledonuzeruloga.pdfIn PDF document text
- http://baovekhucongnghiep.com/upload/files/15103742790.pdfIn PDF document text
- http://studiotecnicomartani.eu/userfiles/files/84277287865.pdfIn PDF document text
- http://fundacjaproartis.pl/javascript/ckfinder/userfiles/files/kavasaxes.pdfIn PDF document text
- http://lamorenj.com/userfiles/files/tibelefidulaz.pdfIn PDF document text
- http://ellev.fr/upload/files/virularusififemofomekagiv.pdfIn PDF document text
- https://sssmri.com/ckfinder/userfiles/files/nebinedosesenad.pdfIn PDF document text
- https://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/89620579915.pdfIn PDF document text
- http://imapbook.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/gujikido.pdfIn PDF document text
- http://www.css-jp.com/upfile/files/2021/09/06/bexit.pdfIn PDF document text
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/efdc8c49bfa1ec0f2967bf77244c564a/tuvexut.pdfIn PDF document text
- http://nollve.com/img/editor/image/file/91215917555.pdfIn PDF document text
- https://ipic.vn/userfiles/file/lezime.pdfIn PDF document text
- http://bannermaul.com/userData/board/file/67743344124.pdfIn PDF document text
- 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_off0000b7a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7A6 | 17980 bytes |
SHA-256: bcc8ad5da4f82abb4a37da2f7580b224bc76c6f28613e36ec54b6bbc551155b0 |
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font_01_sfnt_off0000e636.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE636 | 10364 bytes |
SHA-256: 19fa5266701a17438df5b2c365e5f0da1de0c5fcc8804149a1389067f755a98f |
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font_02_sfnt_off0000fdbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDBE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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