MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to compromised websites, indicating a link farm designed to redirect users to malicious content. The ML classifier strongly flagged this PDF as malicious, and heuristics identified it as a link farm on disposable hosting. While no scripts were directly extracted, the nature of the embedded URLs suggests a potential for further malicious activity upon user interaction.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 5
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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 https://nomylo.ru/uplcv?utm_term=line+and+load PDF link annotation
- https://ipssecurityconsultants.com/ckfinder/userfiles/files/wixavididilukanaguboluw.pdfIn PDF document text
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ec9c36004bf---97227065190.pdfIn PDF document text
- https://bloomland.com/sites/bloomland.com/files/64295107977.pdfIn PDF document text
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/516f07d88309b5cea497d84a1166d592/75852098649.pdfIn PDF document text
- http://avs-market.ru/admin/ckfinder/userfiles/files/73969521980.pdfIn PDF document text
- https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/c63ee277893d2a9176bda29842d8e89c/navuzugimuraf.pdfIn PDF document text
- https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/e7eca4af35623be76884dac37661ad7b/11904613473.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c3b21147951---77670797001.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1611fa5257cb59---76669556313.pdfIn PDF document text
- https://fotobolfestmeny.hu/mvc/userfiles/file/ledazitigozukub.pdfIn PDF document text
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/8q655p8r5kmt4k6us9fpkd26dp/nalutaruzovetidinefo.pdfIn PDF document text
- https://bevillelecomte.ovh/ckfinder/userfiles/files/xapujelukapepabibovivir.pdfIn PDF document text
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf50834ade---fixifolukofomivusurefez.pdfIn PDF document text
- http://baltic-rt.ru/ckfinder/userfiles/files/59148258329.pdfIn PDF document text
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608003655b2a5---83275702062.pdfIn PDF document text
- http://wsm.hk/images/uploadfiles/file/66281170857.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16076ed0c0fc05---3347398231.pdfIn PDF document text
- http://tradeweb.es/userfiles/file/nobigeme.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a9c414a1764---11144443393.pdfIn PDF document text
- http://hanhthien.net/uploads/file/63256203908.pdfIn PDF document text
- http://cinstech-inspect-survey.com/fckeditor_userfiles/file/kesuvakitigube.pdfIn PDF document text
- http://luatsubienhoa.com/upload/ck/files/misasisufomuso.pdfIn PDF document text
- https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/bf7d3a02a7a882f5ccbfde119f8c79d8/lasadinideja.pdfIn PDF document text
- http://sbstroy53.ru/img/files/kazinudonesijuvuzux.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_off0000bcac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCAC | 16956 bytes |
SHA-256: ce633188f8f0420a3b1bf4538a468b24e98c05161d906d6a96d75d11da1a3804 |
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font_01_sfnt_off0000e70d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE70D | 9832 bytes |
SHA-256: bf223e9679c1dbf0b87aac532ec2b8a5ef069dcb1803fd6ee42f644915175488 |
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font_02_sfnt_off0000fca4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCA4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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