MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document contains a large number of embedded URLs, many of which point to compromised CMS upload directories. The ML classifier strongly indicated maliciousness. The primary attack pattern observed is the use of a link farm, likely for SEO poisoning or to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://cructi.ru/uplcv?utm_term=cuanto+dinero+se+puede+cargar+en+efectivo+mexico PDF link annotation
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/69ddab8d8cf53ce08710b2ddbb4b913f/89608086709.pdfIn PDF document text
- https://markapin.com/calisma2/files/uploads/muzumawifem.pdfIn PDF document text
- http://birzebbugastpetersfc.com/files/file/25722337702.pdfIn PDF document text
- http://9meclinic.com/ckfinder/userfiles/files/pizobu.pdfIn PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d39248c75c---tejobesonoruzebipumawag.pdfIn PDF document text
- https://edu-mate.kr/_UploadFile/Images/file/69901595272.pdfIn PDF document text
- https://maggies-handmade.com/UserFiles/files/tefakekidive.pdfIn PDF document text
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c1ba0db7ed0---kutivisixoropu.pdfIn PDF document text
- http://project-lovcen.me/userfiles/file/44746633587.pdfIn PDF document text
- http://benardoutlite.com/admin/fckeditor/fckdata/file/xomazuwiduxoxerutox.pdfIn PDF document text
- http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/letedazenixo.pdfIn PDF document text
- http://bualuang101.com/backoffice/upload/files/sufiro.pdfIn PDF document text
- http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/4fd01f5d4e52824f0f5b1d25e75c1b9d/73058679496.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/t1tvr0pu5alfv0nblsok0d34ll/zubirukujudulezomewes.pdfIn PDF document text
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/h559n7t3jdq0l92016hdnqa7g7/gikakovivimusekesap.pdfIn PDF document text
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160afe4702eda6---foribomesivefili.pdfIn PDF document text
- http://naturalmis.com/userfiles/file/99192537017.pdfIn PDF document text
- https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/761670975f5302a88033e4a35d702a9e/10081530627.pdfIn PDF document text
- http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab6308c43e7---nopabere.pdfIn PDF document text
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/160b9e2260f4d6---51768689866.pdfIn PDF document text
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/dc2622e43ba4bd1af41760e8840e5691/77720167487.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_off0000e598.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE598 | 11216 bytes |
SHA-256: d61f441f91a851ba2fc7ecbdd355e371f27d5608d37aa08d128792357e497ca4 |
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font_01_sfnt_off0000ffc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFC1 | 17576 bytes |
SHA-256: 4c2d2b13453aaf0194916c0771659c26d8a673c8bdf2e981cb51b39901f67c2b |
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font_02_sfnt_off00012c38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C38 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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