MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple external websites, some hosted on compromised WordPress installations. The presence of numerous URLs, many pointing to disposable hosting or potentially compromised sites, strongly suggests a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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=convert+radians+to+degrees+formula PDF link annotation
- http://abwlargo.com/uploads/files/41057199423.pdfIn PDF document text
- https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/5a15d2c1341f67fbd24d03ac4d2e3d42/mapajelu.pdfIn PDF document text
- http://nguoiquangphianam.com/uploads/files/91073916518.pdfIn PDF document text
- http://quetthe.com/upload/files/tedokejarifevasaf.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/161450235e8942---34643655406.pdfIn PDF document text
- http://vishwkarmaenterprises.com/webroot/img/userfiles/files/11823925854.pdfIn PDF document text
- http://teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/jitowadonimabelekafas.pdfIn PDF document text
- https://itracmediav5.com/ckfinder/userfiles/files/48619635812.pdfIn PDF document text
- http://recrute.fr/files/files/negapefi.pdfIn PDF document text
- http://csaladiegyteruautok.hu/userfiles/files/89506987325.pdfIn PDF document text
- http://toptoptraining.ru/img/upload/file/fevife.pdfIn PDF document text
- http://khachsanmyngoc.com/upload/files/pebovonovelotogezer.pdfIn PDF document text
- http://tuderprogettazione.it/userfiles/files/41319040062.pdfIn PDF document text
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613858e3b9a58---59578026757.pdfIn PDF document text
- http://atlonnuri.org/UpLoadImage/editer/files/68823723208.pdfIn PDF document text
- http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/vezexidopegatuxe.pdfIn PDF document text
- http://heimundsicherheit.de/userfiles/file/bomuw.pdfIn PDF document text
- http://mail.teleserviciomalaga.com/ckfinder/userfiles/files/vofofovewagag.pdfIn PDF document text
- https://cpsguffanti.com/uploads/file/wogijipubas.pdfIn PDF document text
- https://bonvoyageindia.in/ckfinder/userfiles/files/77444861180.pdfIn PDF document text
- http://i-p-p-c.com/ckfinder/userfiles/files/vusifodixi.pdfIn PDF document text
- http://tbeaindia.com/userfiles/file/famusisavogoramuso.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_off0000b59c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB59C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cdae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDAE | 16424 bytes |
SHA-256: 06336eaf6fbb6af71d8c9549c65bdd8aef9e539486b0104aad45c07e2a9e0d47 |
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font_02_sfnt_off0000f7d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7D2 | 10896 bytes |
SHA-256: abbf18e513c2b80234ad2c1d30aa139660fc90798fe35c04a7bad2c5b8c9bc90 |
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