MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/fb707e8ae891fc28d536235f594535cb/8097773179.pdf In PDF document text
- http://bydnjl.com/userfiles/files/fovuxix.pdfIn PDF document text
- https://przygodanaukrainie.pl/admin/ckfinder/userfiles/files/pizonagupajapukaboxeva.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613515b83990f---83294212023.pdfIn PDF document text
- http://krukaiart.com/userfiles/files/73445438733.pdfIn PDF document text
- http://mega.kz/media/upload/files/pisep.pdfIn PDF document text
- http://agrocare.hu/ckfinder/userfiles/files/11479966814.pdfIn PDF document text
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/598587e0e01cc753585d10910b9719c1/8715308014.pdfIn PDF document text
- https://nabil-doukali.com/userfiles/file/binexijide.pdfIn PDF document text
- http://futsalcb.cz/picture/vtextu/file/votapilafovowalogofubil.pdfIn PDF document text
- https://barcelona-health.com/files/galeria/files/pijadajokupivatoxidazixid.pdfIn PDF document text
- https://terlickodds.cz/www/www/fckphotos/file/fopupoz.pdfIn PDF document text
- http://career-id.org/ckfinder/userfiles/files/wabexorigulubudolekopo.pdfIn PDF document text
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138a0d0c52de---towajodadonetolir.pdfIn PDF document text
- http://besteva.com/upload/files/58902876208.pdfIn PDF document text
- https://u15.ch/ckfinder/userfiles/files/kunikojisixavijew.pdfIn PDF document text
- http://vitanova-cattery.com/upload/file/4733515283.pdfIn PDF document text
- https://rugsinc.in/UserFiles/files/vovabikujobevogowa.pdfIn PDF document text
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16131b8d5adce3---reroxupavafuxudiwasu.pdfIn PDF document text
- http://netart.hu/userfiles/file/32732297625.pdfIn PDF document text
- https://ph2020.org/ckfinder/userfiles/files/1500328127.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/161351fa9cecb0---86240414845.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=candy+crush+jelly+saga+mod+apk+downloadPDF 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_off0000d8e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8E8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f0ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0FF | 11324 bytes |
SHA-256: a9ee48d2da49d22c7d2f06bbc8c8b41007ad0df19a4a7b21a53ccff4795661c4 |
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font_02_sfnt_off00010b5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B5A | 17880 bytes |
SHA-256: d567f2dee6ec79227c6ff8f5c0cfed4e0685ddcf70608c3615382319c0a5791f |
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