MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded URLs that act as a link farm, directing users to various external websites. Several heuristics indicate these links are hosted on compromised CMS uploads or disposable hosting, suggesting a malicious intent to distribute phishing content or malware. The ML classifier and ClamAV detection strongly support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://coretry.ru/uplcv?utm_term=android+organisation+apps PDF link annotation
- https://truonggiangcompany.com/userfiles/file/18297144216.pdfIn PDF document text
- http://hoaisonland.vn/upload/files/mevuweterupipuwixakat.pdfIn PDF document text
- http://www.egymast-segito.hu/uploaded/fck/file/liruletixafunaxosogaziwo.pdfIn PDF document text
- http://another-partner.morefriendship.com/upload/files/vategixedonumatilevewumif.pdfIn PDF document text
- http://dmkert.hu/files/file/74864455240.pdfIn PDF document text
- http://rivebistro.net/ckfinder/userfiles/files/31322028304.pdfIn PDF document text
- https://quangcaowebsitecomvn.xemlaco.com/uploads/files/50117956324.pdfIn PDF document text
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/72so0qr7hngaed2bciqu4299tp2msum3/35371734986.pdfIn PDF document text
- http://runbo.net/upfiles/files/16321320223485.pdfIn PDF document text
- http://sorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/6724806122.pdfIn PDF document text
- https://shop-ecobati.com/medias/upload/files/99927063057.pdfIn PDF document text
- http://icltindia.in/userfiles/file/kuwiwodofezosimividawaf.pdfIn PDF document text
- https://jgranit.pl/userfiles/file/91553339283.pdfIn PDF document text
- https://sentralperdana.com/file/34126531819.pdfIn PDF document text
- http://lejuriste.ru/files/file/22308731347.pdfIn PDF document text
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/8hocus2iihvjj1c7925dqe6jkd/xirizeragu.pdfIn PDF document text
- https://mimpishio1bet.com/contents/files/9985457617.pdfIn PDF document text
- http://mpwlawpa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fugawuvisupe.pdfIn PDF document text
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614030ee29417---12684030317.pdfIn PDF document text
- http://nsk-nalogov.net/upload/files/1867598710.pdfIn PDF document text
- http://tunglamgarden.com/images/fck/file/7755055588.pdfIn PDF document text
- http://www.bash.cl/media/file/lumitoxigukal.pdfIn PDF document text
- http://buyyoutubelikes.com/ci/userfiles/files/14617682950.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 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_off0000b5f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5F4 | 10368 bytes |
SHA-256: 9803ee7c06df6b560315e2086abf800ea6cfbd33c4f8fca8986428ba5762b3f1 |
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font_01_sfnt_off0000cd45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD45 | 19296 bytes |
SHA-256: 407e12c2f874a0d352a9c5dc7e9d86d281af8630337a1f3d9d01a7659997b6d9 |
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font_02_sfnt_off0000feec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEEC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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