MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs that function as a link farm, directing users to potentially compromised websites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically flags this behavior, suggesting the document is designed to distribute malware or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://chcial.ru/uplcv?utm_term=sonic+e+sega+all+stars+racing+apk PDF link annotation
- http://boathousebrokerage.com/userfiles/file/42964643547.pdfIn PDF document text
- http://orsini-blasioli.it/userfiles/files/lesuvo.pdfIn PDF document text
- http://kerekagy.hu/UserFiles/file/niludaramimufarogi.pdfIn PDF document text
- http://tpt.taipei/asset/uploads/files/lojifatifimovodepo.pdfIn PDF document text
- http://icbiz.ru/userfiles/file/19481200839.pdfIn PDF document text
- https://stratasphere.online/userfiles/file/navovuxibegogodonirumadag.pdfIn PDF document text
- http://specialcats.nl/media/files/54446011487.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141692a5c66d---joxozomusidenevur.pdfIn PDF document text
- http://likuidart.com/files/ckeditor/files/23059175560.pdfIn PDF document text
- http://www.css-jp.com/upfile/files/2021/09/09/50299559346.pdfIn PDF document text
- http://siripanyalamphun.com/user_img/files/31261334555.pdfIn PDF document text
- http://severstroysnab.ru/userfiles/file/kevasivazafo.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614289ed743a4---39494199315.pdfIn PDF document text
- http://noithatphathuy.com/Images_upload/files/vosulepabu.pdfIn PDF document text
- http://tayles.com/uploaded/83567436586.pdfIn PDF document text
- https://havadisname.com/upload/ckfinder/files/74527198275.pdfIn PDF document text
- http://tobn56.com/UpFiles/file/jovedi.pdfIn PDF document text
- http://lifebeachvilla.com/uploads/image/files/gesukuxuwapakepot.pdfIn PDF document text
- http://bzws.zhanyougame.com/ckfinder/userfiles/files/xigobirox.pdfIn PDF document text
- http://bisenzia.it/userfiles/files/62613630364.pdfIn PDF document text
- http://flex-link.cn/uploadfiles/files/fiweradotosadovuberu.pdfIn PDF document text
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b3259735cd---46456289392.pdfIn PDF document text
- https://easyown.ddproperty.com/datas/files/mukutotusibot.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_off0000bb59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB59 | 10716 bytes |
SHA-256: e10dfb4fa0136d244299ffea8c4796ee72c8e0ebf295267f2f902684133b62ef |
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font_01_sfnt_off0000d417.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD417 | 15468 bytes |
SHA-256: 4a60436eb1fe62ee2acbe413943c27b7de83d7202cc00a8396a87d527f3acdbe |
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font_02_sfnt_off0000fbdd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBDD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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