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 detected as malicious by ClamAV and a machine learning classifier. The heuristic 'SE_BROWSER_INSTALL_LURE' indicates the document likely prompts the user to install a browser extension or update. The numerous extracted URLs, many pointing to compromised WordPress sites, suggest a phishing or malware distribution scheme. No scripts were extracted, but the overall pattern points to a social engineering attack designed to trick users into a malicious download or credential theft.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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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 https://medvor.ru/uplcv?utm_term=tubi+tv+to+mp4+converter PDF link annotation
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/23e7ea09862ba9783a603e830bf9466d/duvufilomelob.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/11a8ffbaf659e35fa2c000b38aba71ab/xozineraxotigelakikutisa.pdfIn PDF document text
- http://bearings-home.com/userfiles/file/18521196257.pdfIn PDF document text
- http://martom24.pl/martom/userfiles/file/repemoxoje.pdfIn PDF document text
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b20e9018bf8---raxulajire.pdfIn PDF document text
- http://inventory-acepipe.com/images/uploads/files/5794972333.pdfIn PDF document text
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/82f68b2865a8bc2721ff3ef16a4578ae/4733348235.pdfIn PDF document text
- http://geose.ru/userfiles/file/mevijekapaduvizejelavono.pdfIn PDF document text
- http://bindashnews.com/userfiles/file/pekukesujuvojumijilo.pdfIn PDF document text
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a8a70336480---fofudumedubipozosajewise.pdfIn PDF document text
- https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c00f71dadc4---bejurimobogidonawate.pdfIn PDF document text
- http://unioncentralreunion.com/clients/3/3a/3acd25563584ef55397927d4124196c4/File/kasase.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1608781620afbe---27938018135.pdfIn PDF document text
- https://leesman.com/wp-content/plugins/super-forms/uploads/php/files/b9b01b42267bd5e122725a76c35aaf38/xofivenojevezut.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_off0000e797.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE797 | 4896 bytes |
SHA-256: 42a2904ea68e80d94bd77f48711ee52e9f16f39312c8c9677ef1d277bcc0ecad |
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font_01_sfnt_off0000f839.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF839 | 10768 bytes |
SHA-256: a8759cc39bb19d82d58d2d4248df535682fc89f83d30e9f255fb94e524b4c1b9 |
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