MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF exhibits characteristics of a phishing lure, including being image-heavy with minimal text and containing numerous external links. Heuristics indicate it's a link farm on disposable hosting, likely directing users to malicious sites. The ML classifier and ClamAV detection strongly suggest malicious intent, consistent with a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9851
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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://synerhu.ru/uplcv?utm_term=objective+lens+function
- http://poddertradingandindustries.com/userfiles/file/74748782222.pdf
- http://yachtandgulet.com/userfiles/file/kagojefesaxutezew.pdf
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16153e6eac019a---gosunowazu.pdf
- https://koratspring.com/upload/file/fijefonisigil.pdf
- http://ankaraeksioglu.com/resimler/files/rogomemerikememebuj.pdf
- http://pspectr.ru/userfiles/file/nowefigupujofoni.pdf
- http://pdww.ru/ckfinder/userfiles/files/nedajesagigako.pdf
- https://plasy.com/uploads/file/kesaloxo.pdf
- https://maciejabramowicz.pl/upload/files/file/92207022006.pdf
- http://balcimimarlik.com/resimler/files/64762391139.pdf
- https://rheinfurth.de/userfiles/file/92412145936.pdf
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae54b62a86---70089344529.pdf
- http://bearings-home.com/userfiles/file/36090322428.pdf
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/594af27a50d82046698c7d4dea6fe07b/65965189730.pdf
- http://mvsexpo.ru/admin/ckfinder/userfiles/files/nexumokataxawijesinafos.pdf
- http://signexpowholesale.com/project-new/christianbook/upload_images/file/22807165179.pdf
- http://geluidsadviesnederland.nl/ckfinder/userfiles/files/jokop.pdf
- https://saksisan.com/upload/ckfinder/files/befukolam.pdf
- https://rux-thai.com/ckfinder/userfiles/files/varivozadepa.pdf
- https://akproauto.net/nbloom/fckuploads/file/kisapepujide.pdf
- http://ramenzoni.eu/userfiles/files/mojawirozazuxexolesezufom.pdf
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/161426e3520c1f---57778092094.pdf
- http://bon-mar.com/fck_user_files/file/88246180786.pdf
- https://foodexgida.com/uploads/files/lorusesuriwe.pdf
- http://www.hgbehringer.de/img/files/files/jowodobasejokodisusiwen.pdf
- http://emirates-offshore.com/uploads/image/file/gilasipusabizixowake.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b153.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB153 | 16792 bytes |
font_01_sfnt_off0000c96a.bin55205a99a7780986ca4d7b36ebf1b5d86ecf62b64d1544bfe4f154929b234dfd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC96A | 10528 bytes |
font_02_sfnt_off0000e183.bin2877d8f9db3fc5eac1fb87d12e8634dead08784d913e2141c3180c41468418f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE183 | 13908 bytes |
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