MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by multiple heuristics as malicious, including ClamAV and an ML classifier. It contains a link farm pointing to compromised WordPress upload directories, suggesting an attempt to distribute malicious content or phish users. The presence of external URIs and a high number of distinct hosts indicates a broad redirection strategy.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://krisoc.ru/uplcv?utm_term=best+football+manager+games+2020 PDF link annotation
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16138b889c83c1---24915932122.pdfIn PDF document text
- http://mishor-uvk.com/uploads/files/1344833783.pdfIn PDF document text
- http://3sdent.com/upload/files/84821598750.pdfIn PDF document text
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/05ad76cec104ba0ecd322b907bed0232/lusikasepulitozazolepepa.pdfIn PDF document text
- http://ih-consultant.com/ckfinder/userfiles/files/5434292045.pdfIn PDF document text
- https://trinityautorepairs.com/uploads/files/munegirofana.pdfIn PDF document text
- https://eobliecky.sk/userfiles/file/voranifawowara.pdfIn PDF document text
- https://euforbiabulgaria.com/uploads/pages/files/91029904367.pdfIn PDF document text
- https://zifu-tech.com/app/webroot/userfiles/files/13491056776.pdfIn PDF document text
- https://aimtronu.org/userfiles/file/47249825724.pdfIn PDF document text
- https://relans-nn.ru/images/docs/file/wituseb.pdfIn PDF document text
- https://epponline.com/mentorfinancial/page_images/file/92064981148.pdfIn PDF document text
- http://jysfh.com/upload_fck/file/2021-9-7/20210907100901211408.pdfIn PDF document text
- https://pmms-online.com/assets/file/69255012238.pdfIn PDF document text
- http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/161360955b5fe5---nuwuxavu.pdfIn PDF document text
- https://linhquan-group.com/upload/ck/files/39625656459.pdfIn PDF document text
- http://aristosaigonhotel.vn/uploads/files/65567041523.pdfIn PDF document text
- http://designerhouse.ru/upload/files/62783576310.pdfIn PDF document text
- https://cortopolis.ar/userfiles/file/45914637655.pdfIn PDF document text
- https://www.totspotdaynursery.co.uk/ckfinder/userfiles/files/82122934525.pdfIn PDF document text
- http://gernano.eu/gfx/userfiles/files/72545798211.pdfIn PDF document text
- https://szamitogep-szerviz-javitas.hu/ckfinder/userfiles/files/53378656461.pdfIn PDF document text
- http://kondicionery-noginsk.ru/upload_picture/file/81365770777.pdfIn PDF document text
- http://devison-matras.ru/upload/file/xarixoluzize.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_off0000e246.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE246 | 17904 bytes |
SHA-256: 39e53f7a24ec538dbe949aa5ab4074109cda971e7fa824e7c0669dfd2d1e8899 |
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font_01_sfnt_off000110af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110AF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000128c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128C6 | 10900 bytes |
SHA-256: a76769637c6982f04da507c67aa9afdeb90b6ff0237a8ad8302bfe69b2ada7e0 |
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