MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting it functions as a link farm. The primary purpose appears to be directing users to potentially malicious external sites for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://wastran.ru/uplcv?utm_term=cult+of+personality+definition PDF link annotation
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af58c228c88---golojine.pdfIn PDF document text
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3ad9ea2d6c---vusudixegova.pdfIn PDF document text
- http://www.rotudavid.com/ckfinder/userfiles/files/98025581535.pdfIn PDF document text
- https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/29d6695ced902e0d3b0f0f441d0ea4a8/sareniz.pdfIn PDF document text
- http://riskhedgetech.com/uploaded/file/58263962760b05f75f2c7f.pdfIn PDF document text
- http://on-video.com/movies/movie_data/file/33798530146.pdfIn PDF document text
- https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/47d743e2f2ca28cc1610cf7579f9138c/sodil.pdfIn PDF document text
- https://inoxquochoang.com/app/webroot/files/images/pages/files/94700068950.pdfIn PDF document text
- http://sillajen.com/fckeditor/_upload/file/7502715537.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/2fe6eaf78889713e021a7590b1480edc/kamiwavaxudokev.pdfIn PDF document text
- https://petribax.nl/userfiles/file/simidizem.pdfIn PDF document text
- http://anhbanglaw.com/userfiles/file/jenudanuwo.pdfIn PDF document text
- https://alexandrapanayotou.com/web/images/static/file/toforuj.pdfIn PDF document text
- http://balassalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xetuvanebanule.pdfIn PDF document text
- http://businesslegalgroup.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/6321149054.pdfIn PDF document text
- https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/34f14849260842bd1464a542c61e30f1/29676482608.pdfIn PDF document text
- https://cometsecurity.in/admin/userfiles/file/95695820030.pdfIn PDF document text
- http://csc-0411.com/userfiles/file/20210708040007_pi83su.pdfIn PDF document text
- http://atut-biuro.com/uploaded/file/5513151445.pdfIn PDF document text
- http://geose.ru/userfiles/file/36003180748.pdfIn PDF document text
- https://dacinsara.ro/fckfiles/file/wepigowabitozuzoniboje.pdfIn PDF document text
- https://erdenetpost.mn/userfiles/files/32938681353.pdfIn PDF document text
- https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/940cfcd157040a56c3ab9433e39c622f/wilaraliteb.pdfIn 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://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_off0000cbdc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBDC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e3f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3F3 | 10736 bytes |
SHA-256: 5534608fed10cb8bb78d3eab0273b76e218f4666d70d02f38769fc512d5fd9da |
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font_02_sfnt_off0000fcca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCCA | 17632 bytes |
SHA-256: fa9c5875a7de23b6f17f7e079fefd543372863f8bf57ab212e69410276f339c1 |
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