MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains numerous external links, many hosted on compromised websites or disposable domains, suggesting it functions as a link farm. These links likely lead to phishing pages or further malware downloads, aligning with a spearphishing attachment attack vector.
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://infrive.ru/uplcv?utm_term=brand+identity+examples+pdf PDF link annotation
- https://pilotcenter.gr/wp-content/plugins/super-forms/uploads/php/files/q8fihp8iuhrukon1jbft2ugjn6/buzasosigemedufad.pdfIn PDF document text
- http://www.anjhimayath.com/upload/file/bovaniw.pdfIn PDF document text
- https://abofahed.com/userfiles/file/koxudexezapuzuxovef.pdfIn PDF document text
- https://taichielite.com/louis/taichi/ckfinder/userfiles/files/zuxejepufibikopi.pdfIn PDF document text
- http://lussoleathertiles.com/test4/EDITOR/example/v2/userfiles/file/98697598975.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/0aa9a29f0eb9e2e470821a84c0580ad1/48599138310.pdfIn PDF document text
- https://petala.gr/userfiles/file/jisaguroranubakadu.pdfIn PDF document text
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/275b50d77047972045c8bbbc9392f83f/gagozafojisuladisifape.pdfIn PDF document text
- https://infoenergie-loire.org/userfiles/file/72192140274.pdfIn PDF document text
- http://4grd.com/cmsimages/file/zolozutom.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160719495e8539---nasibunulofefakepegezix.pdfIn PDF document text
- https://wavesmaroochydore.com/wp-content/plugins/super-forms/uploads/php/files/peed00mg0bbrl6hapvr9c5mnmf/93085904725.pdfIn PDF document text
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/160765aea4ebef---28700841798.pdfIn PDF document text
- http://agcslohian.com/userfiles/file/midojalibikuxamusu.pdfIn PDF document text
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/011f8a5f6a5d33a354f811f7b2696662/zatesefitikinuzaniw.pdfIn PDF document text
- https://livre-art.com/ckfinder/userfiles/files/76476107556.pdfIn PDF document text
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/33ec9edb32c46d8fe8cd16ed56bdb998/13100584821.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_off0000ee2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE2A | 5408 bytes |
SHA-256: f205f396174e39e768e9e7c0bad20a226993623e0a94ea954f3311ce7a7273cd |
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font_01_sfnt_off00010087.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10087 | 10860 bytes |
SHA-256: 8aa5e5fceb365ff3a01a623b6dade4fac32b750b0d1bf50ee9ac79b445b82282 |
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