MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and ML classifiers indicated a high probability of maliciousness. The document contains multiple links pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users. While no scripts were explicitly extracted, the nature of the links and the detection names point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/d0933e05984627c90676f5dabca00df5/zilatubuwovalogos.pdf In PDF document text
- http://hulstcustoms.ru/uploads/files/witof.pdfIn PDF document text
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/mdi1qil0hfpc0rtt87bgqrs2k2/37499790907.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ec506e3b70e---simomodisiboragiv.pdfIn PDF document text
- https://aduanaldelvalle.com/userfiles/file/12800301973.pdfIn PDF document text
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/lckabibldlm3pmuiun69pkemf7/pilagidukobev.pdfIn PDF document text
- http://101balkon.ru/upload/files/26566977364.pdfIn PDF document text
- http://xn--vb0b83rba554gca.kr/page_data/file/20210511201932.pdfIn PDF document text
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1611348cf005fb---filoxuwejit.pdfIn PDF document text
- http://myucmas.com/userfiles/file/54806002344.pdfIn PDF document text
- http://bancasemecanino.com/userfiles/files/kudemadapotoxaj.pdfIn PDF document text
- http://cambridgekapurthala.com/damana/userfiles/file/fijikerijetew.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/tobonelefu.pdfIn PDF document text
- http://xtra360.net/campannas/file/vojujuxixafepunifo.pdfIn PDF document text
- http://eca.or.th/ckfinder/userfiles/files/81019637316.pdfIn PDF document text
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/tp3818f23hn527e5d53unsm28s/18820121154.pdfIn PDF document text
- https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/bddaeb3be797366bb1b30e0afa7f2946/38464913202.pdfIn PDF document text
- https://banghenails.com/upload/file/32931620109.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/494ef1a53fc219e98bfdd05ae6d99db3/28319834169.pdfIn PDF document text
- http://spad.kr/userData/ebizro_board/file/pixegunodi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=molecular+classification+of+breast+cancer+pdfPDF 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_off0000affa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFFA | 10848 bytes |
SHA-256: da94f195d72ccfe62a556145b50ac8787c66f101826de7e0531c832a773ab36d |
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font_01_sfnt_off0000c8e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8E3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e0f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0F5 | 14636 bytes |
SHA-256: a7720a9e0bbe0e4fdc920dee6f19bca5360a61c657b459582d6deafa56b033e7 |
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