MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO spam operation. The document body, while truncated, discusses the alkaline diet, a common lure for phishing or scam content. The presence of embedded URLs and the overall structure point towards a phishing or malicious redirection attack.
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://sunuf.co.za/YmrXLWy8?keyword=is%20alkaline%20diet%20actually%20good%20for%20you PDF link annotation
- http://ephtour.com/FileData/ckfinder/files/20220202_4ECE032653EDDF37.pdfIn PDF document text
- https://xonamijofoma.weebly.com/uploads/1/4/1/6/141684704/8721313.pdfIn PDF document text
- https://gezagijuxeson.weebly.com/uploads/1/3/1/8/131872295/vagota.pdfIn PDF document text
- https://bipalisdemo.dashindonesia.com/userfiles/files/gureposakuzuxex.pdfIn PDF document text
- https://dafuravo.weebly.com/uploads/1/3/4/8/134862971/goxud.pdfIn PDF document text
- https://soselime.weebly.com/uploads/1/4/1/6/141611339/vimerute_bazove_molatuvara_mugikefirasukix.pdfIn PDF document text
- http://lica-mpt.it/userfiles/files/zalufizogodop.pdfIn PDF document text
- https://zibiputuwe.weebly.com/uploads/1/3/4/8/134886395/9494696.pdfIn PDF document text
- http://techbico.vn/uploads/image/files/gurolizilatekukusef.pdfIn PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1623ee423cd101---7230403820.pdfIn PDF document text
- https://fojojaroj.weebly.com/uploads/1/3/1/4/131453509/7e575.pdfIn PDF document text
- https://www.bankkartya.hu/js/ckfinder/userfiles/files/xafedelimefamexonobeme.pdfIn PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16226b6194fa0f---gikabidod.pdfIn PDF document text
- https://fogebutozedelig.weebly.com/uploads/1/3/0/7/130776223/9f158ee980.pdfIn PDF document text
- http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/162163a6d0158f---rubopobotigus.pdfIn PDF document text
- https://duxoberadu.weebly.com/uploads/1/3/4/7/134718286/denomena.pdfIn PDF document text
- https://dufelawukada.weebly.com/uploads/1/3/2/6/132682042/2451408.pdfIn PDF document text
- https://foxidaxoluw.weebly.com/uploads/1/3/4/0/134016742/ed82253d6b7b.pdfIn PDF document text
- http://www.tokyomagic.jp/images/library/File/97780989922.pdfIn PDF document text
- https://fetofopup.weebly.com/uploads/1/3/4/5/134507679/gowofinapus_luveloga_geganesu_xasafaru.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 extracted file (font_00_sfnt_off0000d703.bin)
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000d703.bin)
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d703.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD703 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ef1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF1A | 10908 bytes |
SHA-256: c79ee71344be2191a0b05209bd02e353a5cbf151b7f237cff1fd15f044f84da7 |
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font_02_sfnt_off00010840.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10840 | 17084 bytes |
SHA-256: 86074c2ba2a97c927fd75894ca25b9d66294b4a22a0a99748c8f43e3fa2dca02 |
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