MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains heuristics indicating it is a link farm hosted on compromised WordPress sites, with multiple distinct hosts. The document body, though heavily obfuscated, appears to reference sports content, likely as a lure. The presence of external URIs and the ML classifier's high confidence score suggest malicious intent, possibly to redirect users to phishing or malware sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085c3057e44d---37723737291.pdf In PDF document text
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/07fafaaa0a709682e32ca3cb17ccb4dc/jigupu.pdfIn PDF document text
- https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/309eb2a1abed76bce02bb709f15ea5eb/77521613190.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/16312251852.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3b056836d7---tamidopatotupaliduxu.pdfIn PDF document text
- https://cald-lighting.com/wp-content/plugins/super-forms/uploads/php/files/77d4168ab933988a380719c253bdcfee/zevovom.pdfIn PDF document text
- http://www.peretprod.ro/content-images/file/lulebubajemetutaseribiz.pdfIn PDF document text
- https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/22f736e4dbb6730cc30eab6fff83a9a1/1141836008.pdfIn PDF document text
- http://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1606ee951c57bd---rufozor.pdfIn PDF document text
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/160893a23df4d7---vavumufusefizoteberuritit.pdfIn PDF document text
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/160723cf923b22---90679920498.pdfIn PDF document text
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070a55654301---koxetuniruwafevero.pdfIn PDF document text
- http://broadviewlibrary.org/uploaded_bvlib/file/wajokofajajav.pdfIn PDF document text
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160943cf1b053b---20547170291.pdfIn PDF document text
- http://www.bufolari.com/public/immagini/file/dinizosesegoz.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=melhores+momentos+de+flamengo+e+internacional+pelo+campeonato+brasileiroPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e34a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE34A | 5716 bytes |
SHA-256: ff3b9d230d99125ba2229e726d5b22c71784db77dd1a5428a7d7369922d1f97b |
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font_01_sfnt_off0000f69c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF69C | 14628 bytes |
SHA-256: 7936ffc5e1cf92912009f83233ca7c55de83ff7b26242b1c143a1ec722b12920 |
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