MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a high number of external URIs, many of which point to disposable domains, suggesting a link farm or phishing attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to malicious sites or download further payloads. The PRC/3D content heuristic also points to exploitation attempts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 7
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PRC/3D content in PDF high PDF_PRC_3DPDF contains PRC 3D content. PRC/U3D parsers have been a recurring Adobe Reader attack surface; treat as a related parser-exploit indicator rather than a specific CVE match.
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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://senesi-sklad.cz/userfiles/file/54184732477.pdf In PDF document text
- http://ricettebiagi.it/uploads/assets/file/zamuxavisadamexanosubuku.pdfIn PDF document text
- http://backkwang.com/userData/board/file/61271314018.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/hc1itl7jrj9s6lphbsvknes8uv/womosiwenixole.pdfIn PDF document text
- http://studioingegneramato.com/userfiles/files/vukamisonebeganinesomijen.pdfIn PDF document text
- https://drosamahetta.com/userfiles/file/95827889632.pdfIn PDF document text
- https://aljazeerahdrilling.com/userfiles/files/xodajubuvumebanepefimodi.pdfIn PDF document text
- https://happycondo.leaddeehub.com/userfiles/files/73580635924.pdfIn PDF document text
- http://www.gesas.it/media/mailinglist/file/lenexusi.pdfIn PDF document text
- http://hondaototanan.com/upload/files/55139338864.pdfIn PDF document text
- https://masihpt2.com/contents/files/pademupapaxenuriwu.pdfIn PDF document text
- https://epgeptech.hu/ckfinder/userfiles/files/rakuwafenivelopan.pdfIn PDF document text
- http://bjqyms.com/filespath/files/20210913040930.pdfIn PDF document text
- https://yasacompany.com/upload/files/muzebotunijoguvutibububo.pdfIn PDF document text
- http://xn--80aer5aza.xn---42-5cdakyymnnb9ake1az.xn--p1ai/ckfinder/userfiles/files/92790346069.pdfIn PDF document text
- http://ortosprendimai.lt/userfiles/file/rutejonojodesazom.pdfIn PDF document text
- http://musclecar-taps.com/js/upload/files/leneminaj.pdfIn PDF document text
- http://cobmedia.hu/include/45209066659.pdfIn PDF document text
- https://intrigantka.ru/images/userfiles/file/36829757266.pdfIn PDF document text
- http://medtravel.pro/images/hand_uploaded/files/45632655672.pdfIn PDF document text
- https://thuaphatlaihanoi.net/uploads/files/zixaxunujijavuzifonu.pdfIn PDF document text
- http://cen7dias.es/userfiles/files/menubozilusibotines.pdfIn PDF document text
- http://artkulinaria.pl/sites/default/files/file/74701752173.pdfIn PDF document text
- http://nissanotogovap.vn/uploads/images/files/35647967738.pdfIn PDF document text
- https://arnetbilgisayar.com/upload/ckfinder/files/gagiwamamiruzosukodo.pdfIn PDF document text
- http://mishelik.ru/userfiles/file/97120894805.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=smule+premium+apk+downloadPDF 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_off0000e8ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8EA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000100fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100FC | 23392 bytes |
SHA-256: 693f66fc1df21cee1e352db147d6c7de7932e4ec2f5d6a73a01e758281099699 |
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font_02_sfnt_off00013c25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C25 | 10640 bytes |
SHA-256: 8294687e30fd87da6853a291f0aa353eb9c840dc2231ee8f4fa185d5dc0c5fa1 |
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