MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The file contains numerous links pointing to compromised CMS upload storage and disposable hosting, suggesting a link farm designed to redirect users. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
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://eyescare.vn/app/webroot/upload/ckfinder/files/13004445242.pdf In PDF document text
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/d43d6c6c5b46e42c70ddfa2dcd9ec605/20419253838.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607ac9da45860---pixususisavenu.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/gudeduwuzoxumesun.pdfIn PDF document text
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9c68fae117---gujabolaxarofeso.pdfIn PDF document text
- http://residencecarlofelice.com/userfiles/files/gopomomu.pdfIn PDF document text
- http://obasekiestates.com/UserFiles/file/2201642053.pdfIn PDF document text
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/mn07kk9vklt63iksg87mfgfp7u/54117336452.pdfIn PDF document text
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/837daabece49011ce50f56c382113ef7/dutuvakuf.pdfIn PDF document text
- http://www.reenactmentmarket.eu/images/wyswig_images/file/wibesufixetowinib.pdfIn PDF document text
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/vc17ics9hllpvas3mra6n3hj0d/84669789894.pdfIn PDF document text
- https://www.djluk.co.uk/wp-content/plugins/super-forms/uploads/php/files/gqpvqn8ti0aqhm7f9eadancsf1/28382039053.pdfIn PDF document text
- https://brandonsmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/9udhkhkqkko5v9ei4jn19fkib0/ludujuwasilozoxo.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bda51362713---dekubakinunegidoxula.pdfIn PDF document text
- http://pphu-joanna.pl/fckpliki/file/guvosum.pdfIn PDF document text
- https://bandai-k.com/userfiles/file/xitesunam.pdfIn PDF document text
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/1607946718d2b3---megeworuwatu.pdfIn PDF document text
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/5398f43101467c1bbd9dfe3014ed4060/vitugi.pdfIn PDF document text
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c880712b5c3---47847347212.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076b61755da7---midegurigagazarulakigavo.pdfIn PDF document text
- http://mysistermyfriendministries.org/clients/85776/File/tosemi.pdfIn PDF document text
- http://anhuicrew.com/upload_fck/file/2021-4-29/20210429223347764964.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160a12abdc68df---21436201794.pdfIn PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dc88fa0990---tanuborizibu.pdfIn PDF document text
- https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/092b59a0724d907cc8bf93650059689f/46675929517.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=parallel+plate+capacitorsPDF 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_off0001127f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1127F | 10264 bytes |
SHA-256: 422ffea0afa0999c63e8e8cb7398385406ed1ff7f080ac427fd4b951b7f869ea |
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font_01_sfnt_off000129af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129AF | 17344 bytes |
SHA-256: d34d2d110bcefa9fc62825f79c82f2a1218ad1e7f3d00067f284504e4ae8373c |
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font_02_sfnt_off000156ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x156EC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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