MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting it functions as a link farm. The presence of these links and the overall structure point towards an attempt to redirect users to potentially harmful sites, possibly for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9933
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://europeancustomtailor.com/wp-content/plugins/super-forms/uploads/php/files/4e6f0e5958feb4cd90bb39f881c157af/8192304049.pdf In PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160a8c700797e0---gunafodizivajija.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9f28b78a7d---15951291463.pdfIn PDF document text
- https://egf.tw/test2/images/file/78087285896.pdfIn PDF document text
- http://patanamachine.com/imgUpload/files/feburusekoda.pdfIn PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160b63aa926c4d---mevuxi.pdfIn PDF document text
- http://cloverpark1959.com/clients/51168/File/45918688576.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c72da1818a7---69054259298.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160896e4943acf---82939953098.pdfIn PDF document text
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/160e7ae2e9d9bf---xojozamujirebu.pdfIn PDF document text
- https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/fc0a0af1b91e12a2bb2effaf8deeb114/bukifalorigibamunojemoka.pdfIn PDF document text
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16076b5802927a---lasatugobasili.pdfIn PDF document text
- http://ever0036.com/assets/uploads/ckedit/files/20210619015848.pdfIn PDF document text
- http://closehorses.com/userfiles/file/71860215450.pdfIn PDF document text
- http://zeguvietnam.com/uploads/ckfinder/files/zevexazijewos.pdfIn PDF document text
- http://omni-links.com/images/blog//file/80912811235.pdfIn PDF document text
- https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/a2de2e5eba338abe6a305e20564e9ead/46303077353.pdfIn PDF document text
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087cf63e7f89---puvajiwesosuxebukixerigi.pdfIn PDF document text
- https://allcreaturesinc.com/files/files/navudirije.pdfIn PDF document text
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609fbc183fb80---vavefixejege.pdfIn PDF document text
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160922061270d6---43136112618.pdfIn PDF document text
- http://whs1979.net/clients/65916/File/nozazuwi.pdfIn PDF document text
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/uu7ojqndigaotinfedgbkj1qd0/winuzewobibulajop.pdfIn PDF document text
- https://pointsourcegroup.com/wp-content/plugins/super-forms/uploads/php/files/f44f4de770bc82dcd755588b5d90f2c2/98816512469.pdfIn PDF document text
- https://picinterior.com/ckfinder/userfiles/files/61831204211.pdfIn PDF document text
- https://stgeorgedentalcare.in/ckfinder/userfiles/files/selaluxi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=meaning+of+bi+sexualPDF link annotation
- 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_off000146b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x146B9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00015ed0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15ED0 | 10524 bytes |
SHA-256: 68e6a0c2f97b158c3309d012a2ac6e5d730547d31ef1c8f31282249bdb9a6c0b |
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font_02_sfnt_off000176e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x176E2 | 20268 bytes |
SHA-256: 16e601d352165da02d2151467ac8497abf6d189640fe2898317ce19207a36404 |
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