MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external websites, many of which are hosted on compromised WordPress installations or disposable domains, suggesting a link farm designed for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of embedded URLs and the overall structure point towards a phishing or credential harvesting attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://drafthe.ru/uplcv?utm_term=digital+circuits+by+morris+mano PDF link annotation
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a8a0f9bfadc---ziwezajazawowe.pdfIn PDF document text
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b576a0025e7---99345528175.pdfIn PDF document text
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc0b09ecae3---79317179171.pdfIn PDF document text
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/tipvuukb8nm9b5rvvu42b0ksqm/viwavapavukiv.pdfIn PDF document text
- http://wisdomtours.net/upload/file/xagolaguno.pdfIn PDF document text
- http://angelcabrera.com/FCKfiles/file/mawoxuwafitipozuzefipas.pdfIn PDF document text
- http://mevlanaasm.com/resimler/files/jodabasadutatofajafalefo.pdfIn PDF document text
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160876e032e404---sibokar.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/85rso68f7c4c1updt9tqt9cqi0/23739462516.pdfIn PDF document text
- http://anhuizhkj.com/upload_fck/file/2021-5-18/20210518175150124797.pdfIn PDF document text
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/80096cc891e83333a95e8ca5df1d97ee/vuzozapezujamukumeba.pdfIn PDF document text
- http://rheinmotel.com/userfiles/file/siregixisik.pdfIn PDF document text
- http://abimobiliare.pl/pliki/File/56147962625.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4bf00f15cb---vifakaruxi.pdfIn PDF document text
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bd18bead8c6---wenoton.pdfIn PDF document text
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d8616f38bf---xaluvipumesizi.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fbe1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBE1 | 5584 bytes |
SHA-256: 69bbfd18903902cf8f7d9fa9fccca73b1cd5a9da18a7f670c76daa9aa2c2ccaf |
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font_01_sfnt_off00010ee3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EE3 | 5360 bytes |
SHA-256: f296c9a513e9798cf3ceea6d30a988e991e5f1d630d3378e0e8f628b3cdea2d7 |
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font_02_sfnt_off0001211a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1211A | 12296 bytes |
SHA-256: 66f4eb4b701ab303a1e981848c228e6c02506e41aa44c864b3339c2178631965 |
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