MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, indicating a malicious intent to redirect users to potentially harmful websites. The ClamAV detection and ML classifier strongly suggest a phishing or malware distribution campaign. The presence of embedded JavaScript (T1059.007) is a key indicator of malicious functionality, likely used to facilitate the redirection or download of further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 https://cructi.ru/uplcv?utm_term=naruto+senki+mod+ultimate+ninja+storm+4 PDF link annotation
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/lg2k6dskllv2sbb196jvj9akj0/zuviwodubukularifeja.pdfIn PDF document text
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/161470f97af6b1---rovebibizop.pdfIn PDF document text
- http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fb2321d6a8---rurozelekepuxojavo.pdfIn PDF document text
- http://damnoen.com/ckfinder/pho/files/jujudumuvuxutej.pdfIn PDF document text
- https://jamurgoreng.net/contents/files/retovi.pdfIn PDF document text
- https://open-call.fr/uploaded/files/75515434036.pdfIn PDF document text
- http://weiken-rc.com/upload/files/61788931561.pdfIn PDF document text
- https://malabarmail.com/ckfinder/userfiles/files/87320274955.pdfIn PDF document text
- https://nonbodepsg.com/uploads/files/66954905257.pdfIn PDF document text
- http://koreaticketland.com/userfile/file/sebulipunukuriwivalitu.pdfIn PDF document text
- http://1137.jp/app/webroot/js/ckfinder/userfiles/files/54147309916.pdfIn PDF document text
- https://longhoang.vn/upload/files/retinojivemodofibujozuz.pdfIn PDF document text
- http://tunglamgarden.com/images/fck/file/34884500781.pdfIn PDF document text
- https://ihotel2b.com/upfiles/editor/files/64718988889.pdfIn PDF document text
- http://kibbkw.com/uploads/files/81079573074.pdfIn PDF document text
- http://otoozevran.com/resimler/files/josekazem.pdfIn PDF document text
- http://weighlessthisyear.com/ckfinder/userfiles/files/mozegovofulojavu.pdfIn PDF document text
- https://ochronaskory.pl/pliki_user/File/buzej.pdfIn PDF document text
- http://geopraxis.it/userfiles/files/54061154096.pdfIn PDF document text
- https://rubin2000-distribuitorshop.ro/userfiles/file/lifakorodu.pdfIn PDF document text
- https://sikanderajam.com/Robinson/ckfinder/userfiles/files/15673618634.pdfIn PDF document text
- https://pbchistoryonline.org/uploads/file/kugukidepe.pdfIn PDF document text
- http://kurskodkb.ru/page_edit/_samples/userfiles/files/podupuzopukixozirekamid.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_off0000f135.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF135 | 19648 bytes |
SHA-256: b9d86dda7f4ca9e18150e0ff64853e03dfedcab0e574329bb50747707781e8e1 |
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font_01_sfnt_off00012430.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12430 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013c47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C47 | 10788 bytes |
SHA-256: 54f99d4fe505609c3f64c5ccc09208ca80f10c40fb260584961d0007eef8c789 |
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