MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains a link farm pointing to multiple compromised WordPress sites, likely to distribute malware. The heuristic firings indicate a high likelihood of malicious intent, specifically related to phishing and hosting malicious content. The ML classifier and ClamAV detection strongly support this assessment, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://medvor.ru/uplcv?utm_term=minecraft+pvz+addon+download PDF link annotation
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607c3e823b90b---28647975753.pdfIn PDF document text
- https://gradeagroup.com/wp-content/plugins/super-forms/uploads/php/files/v6fopu8rb54o8e6l840ttvrlke/pabote.pdfIn PDF document text
- http://highendschmiede.de/highendfiles/file/xonopoxud.pdfIn PDF document text
- http://royalgoodviewresort.com/Uploads/file/40752296218.pdfIn PDF document text
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/e1n1k0nri1hh9t2n1ca9o3jjij/godezasubin.pdfIn PDF document text
- https://abugfreemind.com/userfiles/file/gewavomaja.pdfIn PDF document text
- http://rasmesafar.net/basefile/basefiles/75296305906.pdfIn PDF document text
- http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080333578c1b---39952066454.pdfIn PDF document text
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8ada8c86f3---84261039462.pdfIn PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5e5a75e89e---jufidironi.pdfIn PDF document text
- https://luminex.pl/upload/file/28316688670.pdfIn PDF document text
- http://aven.su/userfiles/file/63848406852.pdfIn PDF document text
- https://mehreganimaging.ir/images/upload/files/fitorofasonogimemuludat.pdfIn PDF document text
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/f82232a6c2178c7b91d7cab447ed0d0d/bojabumeremabudemogef.pdfIn PDF document text
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/416429f9ec8800d2f9fba83b565738e9/61752490796.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/86672f58229bfd885846dbb9e0c36e91/kisuzanulunaduxirux.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn 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_off0000d878.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD878 | 5180 bytes |
SHA-256: 957233567f6c4b8e7fa323fae00d8ec1583387c221f6a558cf6df6fb44cde66b |
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font_01_sfnt_off0000ea52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA52 | 20408 bytes |
SHA-256: 1a6fd65cce3c581422141fcea36354f5175d1cdfe5d03f555c6c3115c1d8bdf2 |
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font_02_sfnt_off00011b9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B9D | 16168 bytes |
SHA-256: e5458d7b6d82539349b17fc4713a17e1381d471255c72d9f8116b7c86e08c443 |
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