MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM and the numerous extracted URLs suggest a link farm designed to redirect users to malicious sites, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
Heuristics 6
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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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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://gnox.vn/upload/files/41793995511.pdf In PDF document text
- http://aquaclub.hu/userfiles/file/10500142475.pdfIn PDF document text
- https://myvideoclasses.com/ci/userfiles/files/medarezubaxetugor.pdfIn PDF document text
- http://gyuco.com/uploadfile/files/20210925_222319.pdfIn PDF document text
- http://kovove-ploty-brany-zabradli.cz/UserFiles/File/66601095051.pdfIn PDF document text
- https://alpasol.e-giant.net/upload/files/3653200937.pdfIn PDF document text
- https://506hlapeta.com/files/file/dudenidagulezudawuz.pdfIn PDF document text
- https://vantainoidia.vn/ci/userfiles/files/58910287659.pdfIn PDF document text
- http://www.hro.ait.ac.th/js/ckfinder/userfiles/files/86257502016.pdfIn PDF document text
- http://portakalweb.net/home/portakal/public_html/ckfinder/userfiles/files/fuxojiti.pdfIn PDF document text
- https://kalafiber.com/webroot/js/ckfinder/userfiles/files/wimigakugeteronu.pdfIn PDF document text
- http://thaicockstar.com/ckfinder/userfiles/files/wijapezu.pdfIn PDF document text
- https://kiaavcilar.com/upload/ckfinder/files/64558357897.pdfIn PDF document text
- https://www.notusweb.com.br/ckeditor/ckfinder/userfiles/files/giwiso.pdfIn PDF document text
- https://bloc-immo.com/images/5316469570.pdfIn PDF document text
- https://nhaccugiare24h.com/uploads/userfiles/file/8358362818.pdfIn PDF document text
- http://struttur-arch.it/userfiles/files/49186836952.pdfIn PDF document text
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146a0ba7a23c---dirokijesa.pdfIn PDF document text
- http://wujipacking.tw/upload/files/44984945904.pdfIn PDF document text
- http://privateeducation.sg/verzsape/demo/upload/admin/files/radotakibepusewuvonebeko.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614192c1144a0---24211395411.pdfIn PDF document text
- http://grabnerestriche.at/20415472260.pdfIn PDF document text
- http://riverla.vn/uploads/userfiles/file/87282154072.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=iphone+app+download+stuck+on+waitingPDF 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_off0000ada8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADA8 | 10920 bytes |
SHA-256: 98ceeca33cdba0f44719b766b1aa785a1108d59935e5f6352bf500cde131f6a6 |
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font_01_sfnt_off0000c6c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6C1 | 14504 bytes |
SHA-256: 4b62535131fbac41cf361fcadad8ff603732fdb9a3c4f66cdb5c961219ec660f |
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font_02_sfnt_off0000eb53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB53 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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