MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript and numerous external URIs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these external links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 7
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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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://22vek-omsk.ru/fck_editor_files/files/memuwaretibobexejetefav.pdf In PDF document text
- https://xn--80aesyq.xn--p1ai/files/file/39888506430.pdfIn PDF document text
- http://classiccar-jp.com/js/upload/files/xemik.pdfIn PDF document text
- http://hotelpenza58.ru/ckfinder/userfiles/files/fikaxuwifusakas.pdfIn PDF document text
- http://afro-safari.com/upload/files/42321564859.pdfIn PDF document text
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613138597834f---felukopanudexixifivemira.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/96a7835365b2c0b0c8b09a67748acf38/vidajiwukupatesojapofimu.pdfIn PDF document text
- http://m-s-g.ru/userfiles/files/mirobixapakanepam.pdfIn PDF document text
- http://marathon-gexin.com/Uploadfiles/files/navowaditavanazoji.pdfIn PDF document text
- http://phantasos.org/userfiles/file/wukozabisiseduwuja.pdfIn PDF document text
- http://salondebellezaanamariaromero.es/ckfinder/userfiles/files/tojubasexelovewavazosar.pdfIn PDF document text
- http://www.prakashirrigation.com/uploads/fck/files/dideperutetixadudome.pdfIn PDF document text
- https://dhins.com/testingsites/advantage_aviation/assets/media/file/54434308846.pdfIn PDF document text
- http://vimar.ua/userfiles/files/vubebogijasirip.pdfIn PDF document text
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132d9a6032c9---furimaruzajatabefidoli.pdfIn PDF document text
- https://ourcampuswindow.com/ckfinder/userfiles/files/14614311288.pdfIn PDF document text
- https://marblobaths.ph/app/webroot/img/files/72305097769.pdfIn PDF document text
- https://konferencii.ru/js/ckfinder/userfiles/files/81408924068.pdfIn PDF document text
- https://raiporjai.com/piceditor/file/26458584184.pdfIn PDF document text
- https://cafesca.mx/ckfinder/userfiles/files/71955174363.pdfIn PDF document text
- https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/baa3bf31cb4470b4a7d370107adcd3d2/jemot.pdfIn PDF document text
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/r83edot56t6vvvvl7amc4du93g/koxem.pdfIn PDF document text
- http://www.vljainandco.com/userfiles/files/xedodasamututiti.pdfIn PDF document text
- http://gdgom.com/upload/file/210903001200436674czyzxt14c4zh.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=programa+para+desbloquear+celular+samsung+com+senhaPDF 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_off0000b1d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1D8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c9ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9EF | 11156 bytes |
SHA-256: 910f7625db1a9b683b2cf595d04db8fad723e38609a2f3e37e5a813167af85a3 |
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font_02_sfnt_off0000e30f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE30F | 19552 bytes |
SHA-256: fc530a9e79c2c3aeb26a31e9c50ce1e3ae09300d64e64b26eb81e458843483bf |
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