MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, with several pointing to compromised CMS uploads and disposable hosting, indicating a link farm designed to lead users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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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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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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://szwygs.com/upload/riganiboj.pdf In PDF document text
- http://cgmorenanews.com.br/ckfinder/userfiles/files/gejabadutulirorigivo.pdfIn PDF document text
- https://www.ojchamber.com/ckfinder/userfiles/files/38518346380.pdfIn PDF document text
- http://rkmaster.ru/uploads/files/navulegibux.pdfIn PDF document text
- http://hoteldazegliotorino.com/userfiles/files/tewututojexenu.pdfIn PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146c44a8670e---kowojoju.pdfIn PDF document text
- https://naukriguru.com/php/uploads/file/32226056976.pdfIn PDF document text
- http://agrobud.net/uploaded/file/pofetibefedatesowitu.pdfIn PDF document text
- http://dglytbt.com/upfolder/e/files/20210910082127.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615244eab5083---57607967941.pdfIn PDF document text
- http://szintai.hu/ckfinder/userfiles/files/bilepitasekebopuk.pdfIn PDF document text
- https://medicabg.com/uploads/wysiwyg/files/mededasudukubej.pdfIn PDF document text
- http://cherryontop.pl/upload/fotki/file/mafawov.pdfIn PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/1615946c4d4cc1---68570765221.pdfIn PDF document text
- http://kemnhapkhau.com/upload/files/rutuzakugojaxogejajosigek.pdfIn PDF document text
- https://ajansnigde.com/resimler/files/17906032115.pdfIn PDF document text
- http://www.dkmodels.net/ckfinder/userfiles/files/vixufozigup.pdfIn PDF document text
- https://www.marjojaspers.nl/ckfinder/userfiles/files/51058263776.pdfIn PDF document text
- http://anhuicrew.com/upload_fck/file/2021-9-21/20210921175447641252.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/161378b2ddd3b9---dotilikov.pdfIn PDF document text
- http://jlsxjy.com/right/UploadFile/file///2021092618061373499.pdfIn PDF document text
- http://poongdung.com/FileData/ckfinder/files/20211008_1D44A2BBDAA5AC46.pdfIn PDF document text
- http://bekkercoon.ru/ckfinder/userfiles/files/xenesulakitiz.pdfIn PDF document text
- http://potentialdesign.cn/userfiles/file/1632057655.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=is+37+too+old+for+a+babyPDF 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_off0000b2e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2E9 | 10444 bytes |
SHA-256: e77970fe6fca412d354e3dacb6b6574cb5a866ff9369ac138b4f3f791fbbd35e |
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font_01_sfnt_off0000cada.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCADA | 15184 bytes |
SHA-256: 6cf6fb67dd4b7c2c3bb1e2ba20b70c7cd17ec63a699d9c9a0eb236a9d173261b |
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font_02_sfnt_off0000f116.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF116 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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