MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV detection as a phishing trojan. The document employs a social engineering lure, instructing the user to install a browser extension or update, a common method for distributing malware or stealing credentials. While no scripts were directly extracted, the PDF structure and embedded URLs suggest it is part of a link farm designed to redirect users to malicious content, potentially exploiting browser vulnerabilities or tricking them into downloading further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160702d6fa0504---24444716890.pdf In PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071dbb076cd6---44730831232.pdfIn PDF document text
- https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/31bbd9ab15b248e0d1bd9c9dde6efad0/25075324874.pdfIn PDF document text
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/e82f954791a29fd24f1c416dcac86989/fudurusejedidujabozi.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/75e52e895850e09216b8f7d2d1e669a5/89837291583.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/2157a718501c573b7c246f04d1fb1f32/25561069362.pdfIn PDF document text
- https://nhathuydesign.com/wp-content/plugins/super-forms/uploads/php/files/1cha2qhi0hn6104cehefsnjsbl/52569432768.pdfIn PDF document text
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/6e9dd910ddedff497b7ae063609230dc/56293870139.pdfIn PDF document text
- https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/4f3d098789edae161cd50596208c1d14/48598369306.pdfIn PDF document text
- http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a3d0504d61---gopuboj.pdfIn PDF document text
- https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/65dcc5494251741804a614a845b80be1/nimaluponijuwilipifo.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/v99r06n4fph6jtk27g6gri8fn6/3600869553.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/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=playstation+2+emulator+biosPDF 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_off0000dd0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD0A | 5208 bytes |
SHA-256: 8b9af2cbeb1efff945cbda56df5335ff290b9521be05140f284432997db42795 |
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font_01_sfnt_off0000eead.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEAD | 11108 bytes |
SHA-256: cbc7e6a8e4c98e95da7449ee01246792ae1dbcc92b98ca893920820afcfba3ef |
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