MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is a PDF containing a link farm pointing to numerous compromised WordPress sites. These sites host other PDFs, suggesting a multi-stage attack. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for phishing or malware distribution. No scripts were extracted, but the structure implies a delivery mechanism for further malicious content.
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://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce6bfd0dac---51650348563.pdf In PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e3f619540e---muzemedotusowexekosipe.pdfIn PDF document text
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bc70b7eb17---vugefujugefurusizijedepa.pdfIn PDF document text
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160881b6cf13c5---93358523464.pdfIn PDF document text
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076bb64deb34---mazode.pdfIn PDF document text
- https://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/8bc82e0eeaa2b15fecc902985aee703a/92448404410.pdfIn PDF document text
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd13412b10---varukovagotatex.pdfIn PDF document text
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ccafc4fa72---nifuzuji.pdfIn PDF document text
- https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/6e13c1707730bd11e5ba0aed2dcd07ea/meranodipusuxuxobixe.pdfIn PDF document text
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/5b580da05aef973ea1bb5e2010175451/79760585370.pdfIn PDF document text
- https://gfow.om/wp-content/plugins/super-forms/uploads/php/files/tcfltjqumv721l8ou4c8c3nq4v/nojuwuluzelujomezogepuza.pdfIn PDF document text
- http://ciaooo.ru/uploades/userfiles/file/bunezoxerituferasiniviru.pdfIn PDF document text
- https://cmsschoolkg.org/userfiles/file/fedetiviralow.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160878575503f4---gugefof.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/cv9VXjIrmdE/uplcv?utm_term=easy+flute+sheet+music+with+notesPDF 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_off0000d59d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD59D | 5176 bytes |
SHA-256: 9eaab4ba402a5b4600d5d9cd28c44f1f59159790b898a8384dc37929562ddd1a |
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font_01_sfnt_off0000e72f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE72F | 9732 bytes |
SHA-256: 3d98dacf407ccc8ef32af13c894b0e8916626d17ced0538efa741b0a40fc543e |
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