MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of links pointing to various websites, many of which appear to be hosted on compromised WordPress installations. The ML classifier strongly indicated maliciousness, and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic suggests this is a link farm designed to manipulate search engine results or distribute further malicious content. No scripts were extracted, but the structure and URL patterns are indicative of a malicious distribution or redirection mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fc7cbc6d144---86790516672.pdf In PDF document text
- http://honmamon-s.com/img_seminar/userfiles/file/nuposapumis.pdfIn PDF document text
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f8be7ebdf9---681120331.pdfIn PDF document text
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f95693e683---7487467944.pdfIn PDF document text
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/682ec0703937eabb2d7d49268ffbff5b/45436245173.pdfIn PDF document text
- http://humanitool.ru/userfiles/file/3032965614.pdfIn PDF document text
- https://www.servicioscalibrados.com/wp-content/plugins/super-forms/uploads/php/files/90545a9bc5345d28fc9288ed970033ad/xiwakojodulubukirofo.pdfIn PDF document text
- https://kasihpaham.com/contents//files/45792525840.pdfIn PDF document text
- https://kp-bs.ru/upload/files/77059369114.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607288532d824---75080837678.pdfIn PDF document text
- https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/fbdea74dcc754e9f268266df0a33189a/12282847203.pdfIn PDF document text
- https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/f5c7e45388865b54973bde1b01074b31/bitabapifejarepup.pdfIn PDF document text
- http://sattamatkapatti.com/userfiles/file/10004052946.pdfIn PDF document text
- https://realestateconnect.biz/wp-content/plugins/super-forms/uploads/php/files/tnrjp4us7qf1tp65kp6ici16r7/vufubifovewelupinagoponop.pdfIn PDF document text
- https://flyags.com/editorResources/file///loboni.pdfIn PDF document text
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/cb76736dc1315b1b6066bd412229e4c6/69012784298.pdfIn PDF document text
- http://inciboya.com/resimler/site/files/75223061043.pdfIn PDF document text
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4d488bb0be---73045744446.pdfIn PDF document text
- http://fpole.ru/sadm_files/86834531268.pdfIn PDF document text
- http://srsheicha.com/uploadfile/file/46055872897.pdfIn PDF document text
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c1f38cb366b---ravafojomajojatotuxokako.pdfIn PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/dae3undquaarks1av4c80qcjj7/gujerexup.pdfIn PDF document text
- https://lapakunited.com/contents//files/77180129535.pdfIn PDF document text
- http://ville-dammarie.com/ckfinder/userfiles/files/99864260828.pdfIn PDF document text
- https://mariellatriolo.it/public/file/salotusumamuwijorex.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=hot+toddy+tea+recipe+for+a+coldPDF 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_off0000e869.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE869 | 16820 bytes |
SHA-256: 710498180ac736a9a598d495d16e190c80b32baa071812131034d8be6902094b |
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font_01_sfnt_off00011426.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11426 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012c3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C3D | 10444 bytes |
SHA-256: e4a994911507b2dd1a39bff3d8e678e57647eb312e783d200bf1ce7a13abb343 |
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