MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external URIs, many of which are hosted on disposable domains. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a deliberate attempt to create a link farm, suggesting a phishing or malware distribution campaign. The embedded JavaScript likely facilitates the redirection to these malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 https://ketchas.ru/uplcv?utm_term=zombie+war+defense+mod+apk PDF link annotation
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/161430b0e618be---jefatataxete.pdfIn PDF document text
- http://hstechno.com/userData/ebizro_board/file/73798047198.pdfIn PDF document text
- http://assushop.com/userfiles/assushop.com/file/42738063682.pdfIn PDF document text
- http://regalmotors-jp.com/js/upload/files/4289080179.pdfIn PDF document text
- https://manusingh.org/scgtest/eec-new/codelibrary/ckeditor/ckfinder/userfiles/files/novetimujefujezasife.pdfIn PDF document text
- http://leeclinic.kr/userData/board/file/34706555942.pdfIn PDF document text
- http://xn--365-pn7mwb654m2qn.com/ckupload/files/78648929187.pdfIn PDF document text
- http://www.ciesol.com/ckfinder/userfiles/files/37157986498.pdfIn PDF document text
- https://gtnet-engine.com/ckfinder/userfiles/files/vogideje.pdfIn PDF document text
- http://glassick.com/userfiles/file/dexovuxitivofuwur.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bde4a9371e---49434442204.pdfIn PDF document text
- http://e-pisanie-prac.pl/famprojekt_z_serwera/images/file/pinamukenojizokopiwev.pdfIn PDF document text
- http://gldbirdgel.com/user_img/files/xexaj.pdfIn PDF document text
- http://houtackers.nl/userfiles/file/6894078827.pdfIn PDF document text
- http://firewaterdamagedfw.com/test/fckeditor/uploadfiles/file/82263652727.pdfIn PDF document text
- http://e5tbr.alruaa.com/ckeditor-ckfinder-integration/uploads/files/31010210792.pdfIn PDF document text
- http://designpavelzapletal.cz/files/file/52870872622.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/furanadezaritizeduxojab.pdfIn PDF document text
- http://52fotki.ru/ckfinder/userfiles/files/82231164420.pdfIn PDF document text
- https://gites-les-bardots.com/userfiles/file/55284475298.pdfIn PDF document text
- https://rent-1.es/ckfinder/userfiles/files/64007284767.pdfIn PDF document text
- http://lncxjzxxw.com/upload_fck/file/2021-9-8/20210908155451383520.pdfIn PDF document text
- http://hanhthien.net/uploads/file/mogod.pdfIn PDF document text
- http://xnucleus.com/members/member_images/files/3605708080.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_off0000bf4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF4B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d762.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD762 | 10796 bytes |
SHA-256: 9f6386559da3a06ce9cb84b2e400a26454d743bfcd398e21bc52b69b7b5ec6e0 |
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font_02_sfnt_off0000f014.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF014 | 17608 bytes |
SHA-256: c69192e456e9ad9fd3d458092e26977731d5844ac816f275c5abdfd3a9f3e8b7 |
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