MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to numerous external URLs, many hosted on compromised or disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports the classification of this file as a malicious link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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 http://wedooverseas.com/userfiles/file/26871890744.pdf In PDF document text
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/c81f186175c044baff0af9fed086672b/66606095932.pdfIn PDF document text
- http://sipsak.nl/userfiles/file/90165983981.pdfIn PDF document text
- https://catequesisnavarra.org/guiarte_userfiles/files/tisesunasu.pdfIn PDF document text
- https://hunghiephuylog.com/upload/files/kuvoxomo.pdfIn PDF document text
- http://daonshop.com/files/fckeditor/file/wanuno.pdfIn PDF document text
- https://bimore.vn/webroot/img/files/fedumixesunujamabiwuzal.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/16138fc8a262d4---wegijedinelizos.pdfIn PDF document text
- https://laser123.com/geektic/files/5893196243.pdfIn PDF document text
- https://ceccardolj.ro/userfiles/file/bemonabixiba.pdfIn PDF document text
- https://bhavanarayanaswamy.org/userfiles/file/jogusizubagojis.pdfIn PDF document text
- https://www.bnbtravels.com/ckfinder/userfiles/files/63082214751.pdfIn PDF document text
- http://www.radeton-cz.vasestranky.cz/ckfinder/userfiles/files/22058898851.pdfIn PDF document text
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/16137f1c403543---23623068384.pdfIn PDF document text
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/oqfur1mpr5fatu22fobf0qkjlt/91801868265.pdfIn PDF document text
- http://www.clc-engineering.com/siteuploads/editorimg/file/85814161902.pdfIn PDF document text
- http://sea-cruise.ru/ckfinder/userfiles/files/wolexavodevo.pdfIn PDF document text
- http://ei-windykacja.pl/upload/file/fuduzogeforilijo.pdfIn PDF document text
- http://logopeda-empatia.pl/content/file/kisujexapegil.pdfIn PDF document text
- https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16136f1f313b7a---wukobemugafirozugula.pdfIn PDF document text
- http://inbjnews.com/data/cheditor/0603/files/13882386575.pdfIn PDF document text
- http://lnianemarzenie.pl/userfiles/file/zavajes.pdfIn PDF document text
- http://irinabailey.com/upload/files/60106631229.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=paint+to+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_off0000ef9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF9E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000107b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107B5 | 10044 bytes |
SHA-256: 02b77392bd0d03d974a33c23f9cd5641840535922cfaeb91a837bafa6872d672 |
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font_02_sfnt_off00011e18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E18 | 17268 bytes |
SHA-256: 17bc098eaf4a8210b97fdd02cbff44ee8a6d973e07c79a1469e1bcd441383ced |
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