MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links to external websites, many hosted on compromised WordPress installations or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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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://smidgel.ru/uplcv?utm_term=exact+audio+copy+musicbrainz PDF link annotation
- https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/c3561c2157d77c41b7f3f40ca321b8ab/14294665421.pdfIn PDF document text
- http://happyhanool.com/ckupload/files/261509920.pdfIn PDF document text
- https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/9dc1777a2b911e4d8f4d6d68ab28fd9f/bapubisaxokizuxumorowak.pdfIn PDF document text
- https://anmoul.com/userfiles/file/valejovo.pdfIn PDF document text
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/024851dbbd388798eaf7601c35d221ec/mipavavumiwewesibikupid.pdfIn PDF document text
- http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093f8ef99353---zugigibedegeworetox.pdfIn PDF document text
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/llttvtohiqd6fdf7mb4gk4aotg/siwilumivisi.pdfIn PDF document text
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16095d47395228---kubizopadibazofupagirerop.pdfIn PDF document text
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/d6isjg8cp1pemdcdho4qaj4p13/34608574168.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a348370f546---65135597287.pdfIn PDF document text
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a6e323e1aac---mifidazeginu.pdfIn PDF document text
- http://lateonsettay-sachs.org/userfiles/file/tobavebawekakowo.pdfIn PDF document text
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/m6c4rtlmajo1ip8km1dhbulstl/wukoxiputunal.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160812ee28c2d7---15295577631.pdfIn PDF document text
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/c6b3438a5afffbcc7e1ab4906771b103/67490165115.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/qm1hhoccf4nl9v2bmf4v5d0t2l/32374054560.pdfIn PDF document text
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/5792370e9a6aa99117c65a933d49ba7e/tobavojoraralunorujorete.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010099.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10099 | 5504 bytes |
SHA-256: 38415345c9944a53ec38ef3eaa84995718087f45d196f0f09e0cadfbbf81e75c |
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font_01_sfnt_off0001134a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1134A | 11464 bytes |
SHA-256: 7ae0777b541b3bdfff67fc903656bd577e6b04820c1ce39ff65f50227cb9108a |
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