MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to other PDF files hosted on various domains, indicating a link farm. Several heuristics suggest these links are part of a compromised CMS upload or a disposable hosting setup, likely for SEO manipulation or to distribute further malicious content. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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 http://livinglearningandworking.org/clients/e/e0/e05af8355f71d8da3aa90f500b9284b3/File/makaboxakal.pdf In PDF document text
- http://eko-inwest.eu/upload/file/ninejufalip.pdfIn PDF document text
- http://consulcongress.it/uploads/assets/file/60592609247.pdfIn PDF document text
- https://agrilaui.com/userfiles/file/15906400368.pdfIn PDF document text
- http://ajivikafinance.com/userfiles/file/95314570050.pdfIn PDF document text
- http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608687b10df26---nusep.pdfIn PDF document text
- https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/6f4b9n98g5u3ma7mpre7eg4lra/tepujavoda.pdfIn PDF document text
- https://cvsc.co/userfiles/file/86973794453.pdfIn PDF document text
- http://rauvuonsach.com/images/uploads/files/85446693686.pdfIn PDF document text
- https://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/seh28m1anbu38k0tef38vto2n8/30603396489.pdfIn PDF document text
- http://watthaistuttgart.de/userfiles/file/39989250204.pdfIn PDF document text
- https://makemycake.gr/wp-content/plugins/super-forms/uploads/php/files/6fkpulpuc8ar24idq0qjv81b0j/lixabupevodujufog.pdfIn PDF document text
- http://elcampoeco.org/FCKeditor/file/869191249.pdfIn PDF document text
- http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b143b971c9b---81100812303.pdfIn PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/1d619e0c8c3be0253e7443f8d9adc3b2/dodomuduzugoran.pdfIn PDF document text
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/3d1f6cdbv4sb199u29rpji1s96/52454230732.pdfIn PDF document text
- http://nemdanangpho.com/uploads/2021-06-11/images/files/69424728136.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/16073864cb10fc---rovexusubivamoseso.pdfIn PDF document text
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/e1c3168d3c4402559bb07c6d5faffe3c/jurijuvajogev.pdfIn PDF document text
- http://world-spa-resorts.com/dok/meribonijekena.pdfIn PDF document text
- http://amoy-art.com/Upload/file/tosodalanevufo.pdfIn PDF document text
- http://hoteldanang.vn/uploads/images/files/79650732186.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=pinched+nerve+in+leg+and+footPDF 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_off0000e98c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE98C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001019e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1019E | 16476 bytes |
SHA-256: 59c8d9bc3301ba7dd5d6527fa3782192c6bdeb28150eb580b81eb8caaf7f1442 |
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font_02_sfnt_off00012c48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C48 | 10652 bytes |
SHA-256: d3a2f4c5fd176774f06cc62357fa10d87059c91ebd4c28636cb8a178dc85e5bf |
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