MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities or redirecting users to malicious sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the numerous extracted URLs suggest an attempt to distribute malware or conduct phishing by directing users to a variety of external, potentially disposable, domains. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9885
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://hanabi-la.com/uploads/files/wudilefa.pdf In PDF document text
- https://fenixfalt.com/userfiles/file/vipirujoban.pdfIn PDF document text
- http://hosungtour.net/FileData/ckfinder/files/20210906_CEEB3A8A7AE3E134.pdfIn PDF document text
- http://dunakeszi.varosom.hu/userfiles/files/96660148148.pdfIn PDF document text
- http://ancheng-medical.com/uploadfile/files/wegexotuvemam.pdfIn PDF document text
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/6qrnho1jjsh86o5f7dp2a5vuc3/60057841444.pdfIn PDF document text
- http://okzawidow.pl/img/upload/files/40992496405.pdfIn PDF document text
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/b40999e944a4e0ab419d0ac987ade2e2/repokotefos.pdfIn PDF document text
- https://sokolzgierz.pl/web/uploads/files/13662092621.pdfIn PDF document text
- http://www.zdravotechnika.com/ckfinder/userfiles/files/kumaju.pdfIn PDF document text
- http://wuyioutdoor.com/userfiles/file/munufazapinetakojoxenel.pdfIn PDF document text
- http://goldenagegroup.vip/userfiles/file/jivizewexafezabixolixeto.pdfIn PDF document text
- http://emeraldcovepartners.com/_data/images/file/puxudopazu.pdfIn PDF document text
- http://klusjesindex.nl/images/uploads/mexazowiwesikarino.pdfIn PDF document text
- https://artedeeducar.com.br/ckfinder/userfiles/files/xuwunolovukiwufogizesif.pdfIn PDF document text
- https://e-room.co/userfiles/file/57136896439.pdfIn PDF document text
- http://maychaybocaocap.com/app/webroot/uploads/files/26018930306.pdfIn PDF document text
- http://hydrogears.com/survey/userfiles/files/1286041735.pdfIn PDF document text
- http://shahgrp.com/uploads/40785259133.pdfIn PDF document text
- https://i-chat.tw/js/ckfinder/userfiles/files/tujadivarirojirud.pdfIn PDF document text
- http://libertyquad72.fr/userfiles/file/65491742652.pdfIn PDF document text
- https://lifesmart.lifesmart.ro/ckfinder/userfiles/files/53149211318.pdfIn PDF document text
- http://ominocoibaffi.it/userfiles/files/57098010350.pdfIn PDF document text
- http://chinhsuasolieu.com/media/files/32453537585.pdfIn PDF document text
- https://taxforce.nl/userfiles/files/83764395572.pdfIn PDF document text
- http://kiuruvedenlukio.fi/tiedostot/file/nuxutiwipegi.pdfIn PDF document text
- http://sallytour.com/FileData/ckfinder/files/20210909_A2C09C01EC5F6C96.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=smart+app+lockerPDF 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_off0000b3f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3F0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cc02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC02 | 15416 bytes |
SHA-256: 38be5bdb26327ad69ae4f154f0c6d8f00e126651daf41641139664a7815f0a62 |
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font_02_sfnt_off0000f2c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2C7 | 10336 bytes |
SHA-256: 219bc5781a107941afc9ce35653a4915485fb7f117a85f7aeac5a6b8b86f2f05 |
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