MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external URIs and links to compromised CMS uploads and disposable hosting, indicating a link farm designed to redirect users to malicious sites. The presence of embedded URLs and the nature of the heuristics suggest this document is part of a phishing campaign, likely attempting to trick users into downloading further malware or divulging sensitive information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://crewmak.ru/uplcv?utm_term=files+required+to+download+gta+online PDF link annotation
- http://life-worldwide.org/assets/uploads/files/93333380896.pdfIn PDF document text
- http://aotem.com/data/home/qxu1780220113/htdocs/uploadfile/files/57949902997.pdfIn PDF document text
- http://multiflex.ru/userfiles/file/18459615163.pdfIn PDF document text
- http://www.hkimm.hk/_bin/ckfinder/userfiles/files/xikoloroniso.pdfIn PDF document text
- https://karolinanowak.com/userfiles/file/bijomunaluvififafudem.pdfIn PDF document text
- https://jpt.mysmartedu.com/uploadimages/files/37455831331.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1613360bb88d6e---70099458648.pdfIn PDF document text
- https://highfieldhousehotel.net/nbloom/fckuploads/file/99380020860.pdfIn PDF document text
- https://marblobathware.com/app/webroot/img/files/72897616275.pdfIn PDF document text
- http://turatabor.hu/media/4232775453.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612ef6e3f0369---46577639236.pdfIn PDF document text
- http://sevennews.com.br/ckfinder/userfiles/files/75860572978.pdfIn PDF document text
- https://muguet.fr/sites/default/files/file/fasemulanusokidev.pdfIn PDF document text
- http://stefani.cz/fck/file/vodaxogazokuwukadavewij.pdfIn PDF document text
- https://hometutorsdelhi.com/userfiles/files/87298878382.pdfIn PDF document text
- https://myclubowners.travelenvogue.com/userfiles/files/pafoxigezawolis.pdfIn PDF document text
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136a88d95ae9---konedadaxomibotajuzato.pdfIn PDF document text
- http://templeton.sk/userfiles/file/nomagevasamibifuvewed.pdfIn PDF document text
- http://pazarziraat.com/userfiles/file/narujaz.pdfIn PDF document text
- https://fultoys.com/userfiles/65993488479.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161396ecc552d6---10761962812.pdfIn PDF document text
- http://husplaza.hu/editor_up/19634238267.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_off0000b401.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB401 | 14528 bytes |
SHA-256: ed49fefc3a186acea3d985ad0524a5d3fc10088cf101cdcd4c8808ed40bb0f2c |
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font_01_sfnt_off0000d852.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD852 | 10732 bytes |
SHA-256: d05f65638e390627c48c2a4de60d4aa05f29a70bc3975a17d83ae3029b271a4e |
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font_02_sfnt_off0000f0a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0A3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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