MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains a link farm pointing to numerous domains, many of which are hosted on compromised CMS upload storage or disposable hosting, indicating a phishing or malware distribution attempt. The document body is unreadable, but the presence of numerous external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly suggest the intent is to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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://master.plus/wp-content/plugins/super-forms/uploads/php/files/2700cdd148f0d02cbcb379950407ebe3/soxamoxumaloku.pdf In PDF document text
- https://stratasphere.online/userfiles/file/95093402567.pdfIn PDF document text
- http://werkkledingverkoop.nl/images/docman/files/vikina.pdfIn PDF document text
- http://riskhedgetech.com/uploaded/file/176816393612008cd2d659.pdfIn PDF document text
- http://airfa.it/userfiles/file/pejulebewor.pdfIn PDF document text
- http://www.immo-uno.com/ckfinder/userfiles/files/vanunefazojedekuzadup.pdfIn PDF document text
- http://biosafety.biz/ckfinder/userfiles/files/gerodu.pdfIn PDF document text
- http://xn--or3bi2da319p.com/upload/fckeditor/file/60786727567.pdfIn PDF document text
- https://burkina-businessschool.com/business_school/uploads/file/jadewasomuduraxixomoze.pdfIn PDF document text
- http://studiolauramoschini.it/userfiles/files/nesebojigimiji.pdfIn PDF document text
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b74886a2479---zalowege.pdfIn PDF document text
- https://mytekas.com/UserFiles/file/24931400657.pdfIn PDF document text
- https://susta.vn/userfiles/file/tuxon.pdfIn PDF document text
- http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/7dc75f3dbb056ef8da5dd3d1f94b6508/6479191501.pdfIn PDF document text
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/dc77ukiidvafrh0cv54h6ug2er/tesanatuleg.pdfIn PDF document text
- https://lnpro.in/ckfinder/userfiles/files/jetukavamexuxen.pdfIn PDF document text
- http://travelshops.pl/userfiles/file/92678659200.pdfIn PDF document text
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a0d53e422f0---wofip.pdfIn PDF document text
- http://hhs63.org/clients/8/88/88ec95b665b56da82b1de85f097fba10/File/fevewabodelimexenevikuma.pdfIn PDF document text
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/f9puc3u2lvoelqo20099hc7nk6/20177201762.pdfIn PDF document text
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609c895fe803a---bokivoruzavexubig.pdfIn PDF document text
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/161118a198f65f---70827129889.pdfIn PDF document text
- http://reicar.dk/userfiles/file/fepiluvugiba.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=us+cent+to+inrPDF 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_off0000bc2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC2B | 10020 bytes |
SHA-256: c43fd15d8f9102694f048d3decb21df1832646cd52e7c35125649fb7f117ff7e |
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font_01_sfnt_off0000d290.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD290 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000eaa2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAA2 | 16680 bytes |
SHA-256: ae496887304114eb1de4ff4adc78625fe4419c6a601d0a1181cb6c36bad20085 |
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