MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to distribute traffic. ClamAV and ML classifiers identified this PDF as malicious, likely a phishing or trojan delivery mechanism. The presence of numerous external URIs and link farm heuristics strongly suggests a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://szakkepzosiklos.hu/upload/file/22176968946.pdf In PDF document text
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a75387f1151---kafovalugavitevuv.pdfIn PDF document text
- https://gs-hemeringen.de/ablage/userfiles/files/2817871368.pdfIn PDF document text
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607b925f9f6bb---sazitibififisowewafira.pdfIn PDF document text
- http://oralrem.kz/ckfinder/userfiles/files/gigelofazuvowusuv.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/d5384d4f6df25baa95736f0462d38ee2/latixifarupopo.pdfIn PDF document text
- http://tv-sat.cz/userfiles/file/sukejurajeriwex.pdfIn PDF document text
- https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/7db6551a66d9a5a6fc922478ff0dbc3d/supufugomawipararumajegoz.pdfIn PDF document text
- http://ozanatalan.com/iboard/includes/userfiles/files/sowobetupaduwosagebomanaj.pdfIn PDF document text
- https://marblobaths.com/app/webroot/img/files/12777506421.pdfIn PDF document text
- https://adtw1.com/ckfinder/userfiles/files/vidibasinanokozeras.pdfIn PDF document text
- http://pensjonatagat.pl/userfiles/file/zolatumutokunatikulu.pdfIn PDF document text
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a25d3a8dcb8---letezisugijawi.pdfIn PDF document text
- http://asahiru-ban.com/files/files/21053279725.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/tqqoebevt7hcunv3bcqpp26iua/79261166654.pdfIn PDF document text
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd0902d255c---pufukisoz.pdfIn PDF document text
- https://alamansyria.com/userfiles/file/nisimelonames.pdfIn PDF document text
- http://makingthegradetexas.com/clients/d/d4/d4716c73f098ea79da165a2194b6736a/File/rinekixegavawulinuzuwiw.pdfIn PDF document text
- http://ototavandosemesi.com/resimler/file/nazaxiju.pdfIn PDF document text
- http://henghuitong.com/jingkelun/userfiles/files/20210624060745.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac4d3c0fdf7---13087762414.pdfIn PDF document text
- http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ac1b82d131e---96374171516.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a66d6864207---94736560175.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=project+fre+tvPDF 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_off0000f7d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7D5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010fe7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FE7 | 17200 bytes |
SHA-256: a842461898e7699ec83d160c10c3b04ae6570928c00f7eff624d837737695430 |
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font_02_sfnt_off00013c70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C70 | 9952 bytes |
SHA-256: 18f533ec57a787f7bc101404714a83e627a55153833653a1285cdebd6e0c2d94 |
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