MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded JavaScript, a common technique for exploiting vulnerabilities or redirecting users. It also features numerous external URIs, many of which are hosted on disposable domains and appear to be part of a link farm, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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://katour.ru/admin/ckfinder/userfiles/files/32514262662.pdf In PDF document text
- https://www.creativetalentnetwork.com/ckfinder/userfiles/files/19004308848.pdfIn PDF document text
- http://insei.eu/userfiles/files/zavogamulerib.pdfIn PDF document text
- https://aristi-trap.com/upload/users/files/57528317212.pdfIn PDF document text
- http://artgraf24.pl/userfiles/file/riporifenenumewo.pdfIn PDF document text
- http://chapraptti.org/userfiles/file/nowipod.pdfIn PDF document text
- http://xtra360.net/campannas/file/rifafizogobilonojidaf.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/161408ecb1c5bd---75423110321.pdfIn PDF document text
- https://cobrawire.com/userfiles/files/65777094316.pdfIn PDF document text
- https://matagujrischool.com/admin/imagetemp1/file/72207785317.pdfIn PDF document text
- http://banquat.com/userfiles/files/gixetumozokidamiwudetetox.pdfIn PDF document text
- http://bradzo-ep.com/uploads/files/lifopodijezepewawanela.pdfIn PDF document text
- http://fixmyhelicopter.com/project-new/christianbook/upload_images/file/23236729739.pdfIn PDF document text
- http://tv-kitchen.ru/files/files/51098159523.pdfIn PDF document text
- http://lexus-custom.com/js/upload/files/mivupajikifolanogotugi.pdfIn PDF document text
- https://tjp2-hotlink-j3t.com/contents/files/vazifarofusar.pdfIn PDF document text
- http://chukguwang.com/files/fckeditor/file/34690544165.pdfIn PDF document text
- http://dobryremont.pl/ebobas/portal/app/webroot/img/tmp/file/16308502331331.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/161421f7ceb0cc---nulagawugamawegevajapeg.pdfIn PDF document text
- https://lawtutors.co.uk/js/ckfinder/userfiles/files/40150037129.pdfIn PDF document text
- https://clarkfamilybuilders.com/home/clark/public_html/ckfinder/userfiles/files/15581031792.pdfIn PDF document text
- http://acupunctuuryao.nl/ckfinder/userfiles/files/zobexuwakiwopal.pdfIn PDF document text
- https://xedulichhaiphong.vn/images/news/files/xixunigugetapi.pdfIn PDF document text
- http://caffepontoni.com/uploads/file/fafuwekenelupewi.pdfIn PDF document text
- http://udelimpa.es/ckfinder/userfiles/files/85273282864.pdfIn PDF document text
- https://asmitahrgroup.com/ckfinder/userfiles/files/kujupuwupani.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=principles+of+singapore+business+law+3rd+editionPDF 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_off0000df40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF40 | 11292 bytes |
SHA-256: 470928c7707076fe9f67526c92daa19f26e81364499b3006940b8e3643dba588 |
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font_01_sfnt_off0000f98a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF98A | 19112 bytes |
SHA-256: c17c0e13b632d06c9d73c70880d90cde757b30c9c055dd88c828fb3e76d069fa |
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font_02_sfnt_off00012adf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12ADF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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