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, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with numerous URLs pointing to potentially compromised websites or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of embedded URLs further supports this attack pattern.
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://irlanc.ru/uplcv?utm_term=brooklyn+full+movie+123movies PDF link annotation
- http://s2ipower.com/survey/userfiles/files/zasujulomuxugububad.pdfIn PDF document text
- http://weiddy.com/uploads/files/202109112151117020.pdfIn PDF document text
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/603f10395f5535807c870ce127e6c688/53936660874.pdfIn PDF document text
- https://dienmayngalinh.com/img/files/vobukeboximupe.pdfIn PDF document text
- https://btsmstlucia.com/atomicsteps/upload/userfiles/file/26059579929.pdfIn PDF document text
- https://dwitunggaljaya.com/sitefiles/file/78863939486.pdfIn PDF document text
- http://business-plan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/90909761951.pdfIn PDF document text
- http://www.mmd.ntou.edu.tw/ckfinder/userfiles/files/16424718660.pdfIn PDF document text
- http://kennycojewelry.com/userfiles/files/202109/1631861596.pdfIn PDF document text
- https://olterus.com/contents/files/kizarerexipev.pdfIn PDF document text
- https://rockeit.com/userfiles/file/41313510425.pdfIn PDF document text
- http://clubselectionvoyages.net/images/file/81191142164.pdfIn PDF document text
- http://www.pantonerestauri.com/ckfinder/userfiles/files/46658241169.pdfIn PDF document text
- https://www.disbel.es/ckfinder/userfiles/files/fusudolur.pdfIn PDF document text
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/b0b0f506a139bc538c01dad0c627b8b2/lapivumofabavefolelu.pdfIn PDF document text
- http://www.deco-interieure.com/userfiles/file/vexatokasamovo.pdfIn PDF document text
- http://weldingplaza.com/files/file/sozogurakawikul.pdfIn PDF document text
- http://prestopc.it/upload/file/6549493181.pdfIn PDF document text
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136be3f93fa6---11045425064.pdfIn PDF document text
- http://pate4me.com/userfiles/file/dipalukosixux.pdfIn PDF document text
- http://adhdesign.de/userContent/files/20210920130118-jizonok.pdfIn PDF document text
- http://futurepoolandspa.com/ckfinder/userfiles/files/jomoz.pdfIn PDF document text
- https://wintechindia.in/ckfinder/userfiles/files/vuruduzuwikunutuwanekuvad.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_off0000b45d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB45D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cc74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC74 | 10884 bytes |
SHA-256: a5c938e61012dca0037e40d4c413b1a4737fe42b6f6a797b9f7b9c673d2552ac |
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font_02_sfnt_off0000e5c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5C3 | 17340 bytes |
SHA-256: d727540a11ec2e5cd584e42ac790cd3ffec4813d6a998d90e0109e8dad59bae1 |
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