MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, indicating it is designed to redirect users to malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests the document's purpose is to host a collection of links to other malicious PDFs, likely for phishing or malware distribution. The ML classifier and ClamAV detection further confirm its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://ekmeta.lt/failai/file/jadulunago.pdf In PDF document text
- http://ride-on-earth.com/images/blog/file/sitetugubinuxeropiki.pdfIn PDF document text
- http://bubb.cn/up_file/file/tejufaxivunuwififu.pdfIn PDF document text
- https://wedding-photos.cz/userfiles/file/32830466948.pdfIn PDF document text
- http://rosg.net/sa_upload/userfiles/file/20210905151814.pdfIn PDF document text
- https://educationindiajournal.org/ckfinder/userfiles/files/motusoziwexek.pdfIn PDF document text
- http://tomei4x4.jp/js/upload/files/nugabobikajesidupoxutow.pdfIn PDF document text
- https://korzo-galeria.hu/files/file/pasifodoguwib.pdfIn PDF document text
- http://puntolinea.org/userfiles/files/47227315904.pdfIn PDF document text
- https://cokhivietuc.com/img-vietuc/files/42201960689.pdfIn PDF document text
- https://istanajp.net/contents/files/difenefivelogudegugaleta.pdfIn PDF document text
- http://faw-asia.com/image/upload/files/lebulobako.pdfIn PDF document text
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613d57819d9b8---37432871713.pdfIn PDF document text
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613b02c6b8e85---jinevelikuralivuz.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136481a30e01---65149046807.pdfIn PDF document text
- http://dade666.com/userfiles/202109file/2021090211582170554.pdfIn PDF document text
- http://yuemeism.com/uploadfiles/files/53143518684.pdfIn PDF document text
- http://pk.mo/userfiles/file/depetazomezufokojowat.pdfIn PDF document text
- https://delta-relay.be/userfiles/file/6479298847.pdfIn PDF document text
- http://sabaparsian.com/ckeditor/files/files/25914553716.pdfIn PDF document text
- https://havilahbuilders.com/userfiles/file/16373660164.pdfIn PDF document text
- https://jooli.ru/ckfinder/userfiles/files/tijiwiduwafeguk.pdfIn PDF document text
- http://3e3i.com/UserFiles/file///8930821023.pdfIn PDF document text
- http://perilatomsk.ru/ckfinder/userfiles/files/89019786156.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=tv+operating+systemPDF 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_off0000b9e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9E7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d1fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1FE | 10692 bytes |
SHA-256: 6148f295b0a31a7c385edbd5a9d2673a5d74b6618231d020be0058451dd07457 |
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font_02_sfnt_off0000ea91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA91 | 15316 bytes |
SHA-256: 23c242dd3f4092f90fa5d3e9c83b342914e72ad6c8c2f88d9811ca4c15f3a846 |
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