MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded URLs that point to compromised WordPress sites, specifically within form upload plugin directories. These links appear to be part of a link farm designed to redirect users to other sites. The ClamAV detection and ML classifier strongly indicate malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130948e5f265.pdf In PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/edf61b01fa939be45cd46d672e92fdfb/85737430749.pdfIn PDF document text
- http://polyalpan.hu/_user/file/54960353260.pdfIn PDF document text
- http://dh-life.com/ckfinder/userfiles/files/6335921621.pdfIn PDF document text
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1613a7272962ba---28362815027.pdfIn PDF document text
- http://meta-min.com/files/rusumineselajizokojonud.pdfIn PDF document text
- http://cocoon-source-harmonie.fr/public/file/kaxirirope.pdfIn PDF document text
- http://huseyindurmuslar.com/images_upload/files/47314805276.pdfIn PDF document text
- http://marketingnews.fr/images/file/66585175745.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613347a0249cb---nulolulomugod.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16132e66eafddb---nowefasil.pdfIn PDF document text
- https://semsaesp.com/ckfinder/userfiles/files/logavenovuvuj.pdfIn PDF document text
- http://moristas.com/userfiles/files/mivedolijepipagigupanuji.pdfIn PDF document text
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/2d422733931c0481c0dd8ade60d33cc8/gakisidoturob.pdfIn PDF document text
- https://tssch.in/tssch/application/admin/uploads/file/xopumopubanizumaguj.pdfIn PDF document text
- https://highlander-inn.com/assets/userfiles/files/zarovafimabitudosoge.pdfIn PDF document text
- https://10kshot.com/customerinterview/ckfinder/userfiles/files/84200340149.pdfIn PDF document text
- http://consulcongress.it/uploads/assets/file/5879247368.pdfIn PDF document text
- http://wx-bm.cn/upload/ckimg/files/202109101253397900.pdfIn PDF document text
- http://miskolciharsona.hu/pictures/file/mopalenetere.pdfIn PDF document text
- http://strategie-online.net/catalogue_dynamique/file/47196323204.pdfIn PDF document text
- https://thibiditrading.com/public/userupload/files/bixikuzobiridatugovubuve.pdfIn PDF document text
- http://hexindechem.com/upload/files/5549386879.pdfIn PDF document text
- http://dalhousieretreat.com/cote_dor_import/admin/ckfinder/userfiles/files/86132717732.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=best+app+for+tamil+songs+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_off0000b111.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB111 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c923.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC923 | 14564 bytes |
SHA-256: f1612ee019e0272b396e64304342ed99cf5b781e53163186fdfadd78778826f8 |
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font_02_sfnt_off0000ed80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED80 | 10980 bytes |
SHA-256: 4b19644440fe164e5a38ac237e0e6d0cc953de00645fd1d1dc5205dbbf089193 |
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