MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ML_NYX_PDF_MALICIOUS heuristic indicates a high probability of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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=data+structures+with+c+seymour+lipschutz+book+pdf PDF link annotation
- https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/aca6e6113eb376ab846fbc3553038fd5/tedovesurapufuj.pdfIn PDF document text
- https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/f5da3d68a8d89398344305da095b32f1/62043597217.pdfIn PDF document text
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/im9to6bq2m6p3iclsig93usl5c/84052646391.pdfIn PDF document text
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607190ac565a5---84329980042.pdfIn PDF document text
- http://insidethedigitaltrend.biz/userfiles/file/77149045395.pdfIn PDF document text
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/2007da293d255c8f99c46ee2f31c47bc/duvanilofedegidir.pdfIn PDF document text
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/k4884c0lg65ubu404l2oi1ump7/18706279339.pdfIn PDF document text
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/raup5kc5ots54tbqh2bs20hq92/sagulafevox.pdfIn PDF document text
- http://a-kamen.com/userfiles/file/36983747013.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a64827f18---40296246176.pdfIn PDF document text
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d63b505939---bekufuluzaxapu.pdfIn PDF document text
- http://karimeh.com/public/userfiles/file/xirogojasapikasusubo.pdfIn PDF document text
- http://kimbuunguyen.com/uploads/userfiles/file/60570094605.pdfIn PDF document text
- http://easyreturn.store/userfiles/file/54712906565.pdfIn PDF document text
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc20d9d26c---ranigononofe.pdfIn PDF document text
- http://lapawan15.com/shop/fck_file/file/wukaxesew.pdfIn PDF document text
- https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/d65e1cr4ibi9qd80rieashc8in/lobolixufirutu.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_off0000cf47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF47 | 5840 bytes |
SHA-256: 64cfe8462dd11be646d7163444a2601c60aab7c12e7003cfa1281c520cf9fb38 |
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font_01_sfnt_off0000e326.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE326 | 10384 bytes |
SHA-256: 4d583aff47de32d4776e6e6f24574ea1da97f6b8f8c44d39336780df8a20b1d8 |
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