MALICIOUS
104
Risk Score
Malware Insights
The PDF contains embedded JavaScript and a significant number of external URIs, many of which are hosted on disposable or compromised domains, indicating a link farm. The ML classifier also flagged this PDF as malicious with high confidence. The primary purpose appears to be redirecting users through a network of links, potentially for SEO manipulation or to serve malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 6
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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://valdhans.cz/userfiles/file/nakoloboxidegurepujeridok.pdf In PDF document text
- https://shirbandifelt.com/userfiles/file/pebaroputilunimisopidu.pdfIn PDF document text
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/161448da893ee0---63151316926.pdfIn PDF document text
- http://jindi2010.com/uploadfile/files/wusevorifaxibimadazuxu.pdfIn PDF document text
- https://mdteam.se/ckfinder/userfiles/files/48345645399.pdfIn PDF document text
- https://pui-vital.ro/msg_media/file/88872274686.pdfIn PDF document text
- http://eschool365.in/js/admin/uploadfiles/file/gelubixuwenuzu.pdfIn PDF document text
- http://technestudio.eu/userfiles/files/60744823207.pdfIn PDF document text
- https://magicdiscoradio.com/userfiles/file/99055524748.pdfIn PDF document text
- http://casier-a-bouteilles.fr/file/9563084569.pdfIn PDF document text
- http://utcsp.rustyramone.com/uploads/files/pafogetisifulatejatifi.pdfIn PDF document text
- http://tranhdaquydep.vn/upload/files/85058655460.pdfIn PDF document text
- https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/77edcdbeafc20a7009c04b6a82ae8f8f/17185707834.pdfIn PDF document text
- http://dunajecbiala.pl/upload/File/77817287201.pdfIn PDF document text
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/93028390ec2d89561f5c1b3f108b79aa/tevawulejajavado.pdfIn PDF document text
- http://dijladentalcenter-qa.com/userfiles/file/68793289129.pdfIn PDF document text
- https://wisestudentz.com/userfiles/file/joxunoxuzap.pdfIn PDF document text
- http://tupnate.com/ckfinder/userfiles/files/5491777665.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613e93a98f974---bavosabilazategijowuj.pdfIn PDF document text
- https://prokoncept.hu/admin/blogfck/image/file/73028789651.pdfIn PDF document text
- https://www.sherpachristain.org.np/ckfinder/userfiles/files/8716198169.pdfIn PDF document text
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131155146e08---gaminexudu.pdfIn PDF document text
- http://leylatoprak.com/userfiles/file/nukaxuwi.pdfIn PDF document text
- http://squash-fitness.cz/userfiles/file/banepunibomedasusigep.pdfIn PDF document text
- http://wonderful-foods.net/userfiles/file/83958260747.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=lingua+latina+pars+i+familia+romana+pdfPDF 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_off0000d053.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD053 | 10764 bytes |
SHA-256: 9849981b8f18baab59dec3f45d9165f9baf6bd9bed53affa1824b77f115e0f9a |
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font_01_sfnt_off0000e8d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8D2 | 18808 bytes |
SHA-256: 42611b5993f264e9dd4e7fd399574f5ba832e729edbd48d8ab571ffc1b804998 |
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font_02_sfnt_off00011a5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A5B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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