MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains a large number of embedded URLs, many of which point to compromised WordPress sites. The ML classifier strongly indicated maliciousness, and the heuristic firings suggest this PDF is part of a link farm designed to direct users to potentially malicious or SEO-manipulated content. No scripts were extracted, and the document body was unreadable, limiting further analysis of specific payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/lm5b5tksq5a06fvnblr83u029s/44319906199.pdf In PDF document text
- https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/e0363685ec37bef3af5c7bb4f62c368f/zonotutinuvazugekidi.pdfIn PDF document text
- https://store-connector.com/_upload_bilder/_filemanager/file/75490196751.pdfIn PDF document text
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/9107e14389059cea20b9350dd2103e4e/gonupinija.pdfIn PDF document text
- https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/a76a9f38336930db5a5c9224850bc091/nutidav.pdfIn PDF document text
- https://www.educazionesessuale-scuola.ch/ck/ckfinder/userfiles/files/bijes.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609eb564143f9---50232258646.pdfIn PDF document text
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/sl82f8r4u0bh0u1i97jk54edj6/lutuvux.pdfIn PDF document text
- http://norilskgu.ru/userfiles/file/jiferapejunawozapi.pdfIn PDF document text
- https://islandsvefir.is/wp-content/plugins/super-forms/uploads/php/files/157vuv14mv53bqmpikqbnpbcj0/laratuferarotozobilemi.pdfIn PDF document text
- http://muacuoi.vn/Pictures/files/13208038347.pdfIn PDF document text
- https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/4f36c9a7e6e9a5064211c7ce1f304cad/7920614969.pdfIn PDF document text
- http://bannails.com/fckeditor_userfiles/file/fupesebesanime.pdfIn PDF document text
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160f4b061ebb26---6805148268.pdfIn PDF document text
- http://luluscafeonline.com/uploads/files/45481605229.pdfIn PDF document text
- http://doverhighschoolhalloffame.com/clients/2/2d/2d76883e1086210ef8e2c43836b0327f/File/solaguvaravilevogeza.pdfIn PDF document text
- http://fixmyhelicopter.com/project-new/christianbook/upload_images/file/matonulegunulizini.pdfIn PDF document text
- https://vijyaiprismcrm.com/userfiles/files/bufin.pdfIn PDF document text
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160be249b06795---pimewininedurekoxerule.pdfIn PDF document text
- https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/070e3549fc05df056bf627d8eefeb7b7/22172320644.pdfIn PDF document text
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/49d033e6381200b843772302590e9285/34648682480.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=glucose+test+during+pregnancyPDF 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_off0000efa7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFA7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000107b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107B9 | 16304 bytes |
SHA-256: 9a53503171be76f20f8c1a9753d494034081cb489eb694db12380eefa5a7f53d |
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font_02_sfnt_off000131ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131ED | 10944 bytes |
SHA-256: 30dff9039f49ac41871bacba8d8720243bc7a968b722ab8daa49477bd1859a89 |
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