MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous links, many of which point to compromised WordPress installations. The ML classifier strongly indicates maliciousness. The presence of a link farm on disposable hosting and compromised CMS upload paths suggests an attempt to distribute malicious content or phish users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/d0c0253363b0f6d64f6a8d6475504f34/57394624887.pdf In PDF document text
- http://grappin-annat-como.com/userfiles/grappin-annat-como.com/file/63980430593.pdfIn PDF document text
- http://pulsarvn.com/media/ftp/file/lesapulegavixeb.pdfIn PDF document text
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/b7f4716c5dc6a1a1181a632338df4511/82795710773.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/6b5f56b603df534210c2062d9237aba8/80108209800.pdfIn PDF document text
- https://www.sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/160820b4c0915e---62264078506.pdfIn PDF document text
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a6a21fa55da---99827401507.pdfIn PDF document text
- https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d2b7eedd136---mogufubepuvila.pdfIn PDF document text
- https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/82b50bb51d78fbf210ca53426393816e/goxurafemiw.pdfIn PDF document text
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/ad3228bd5b6435b359c3d1ccccc176e9/43763980122.pdfIn PDF document text
- http://smiletoursvietnam.com/ckfinder/userfiles/files/fubik.pdfIn PDF document text
- http://mtecommerce.it/public/news/file/pebupomuwalatabodozuteje.pdfIn PDF document text
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/2f8c386d28cf006b40c78679ea8d6c9f/57355214213.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160727ce7b7b24---zozesewanazejemigerazex.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/1f124a97a8c890deea18373a05dcaf37/zaliguxemitilux.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a49a645dcdc---37532353772.pdfIn PDF document text
- https://travelsafeway.com/userfiles/file/42612036096.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=cd4033+datasheet+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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d690.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD690 | 5300 bytes |
SHA-256: ba31f952108b8b4ff9e0a5ea0b0c9f3913049c6fb43b480d69dfeeeb8bb84012 |
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font_01_sfnt_off0000e899.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE899 | 11236 bytes |
SHA-256: 742e9ea4024a56834a005d3897e0d6d3734aaf30a6c6610836ef04a3644fdd10 |
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