MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to various websites, some of which are hosted on compromised WordPress installations. The presence of 'utm_term' parameters in some URLs suggests a phishing or SEO manipulation tactic. The file's primary purpose appears to be redirecting users to potentially harmful external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9824
Heuristics 5
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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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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://ketchas.ru/uplcv?utm_term=the+ultimate+guide+to+the+rider+waite+tarot+book+pdf PDF link annotation
- http://tipiland.net/upload/file/zarisi.pdfIn PDF document text
- https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/68lcfnnaf9qtk1hj4kfpngp722/fujemubinupojeg.pdfIn PDF document text
- https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1608ab9711cb56---14599144950.pdfIn PDF document text
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/16078bf8cc7ff4---22809290984.pdfIn PDF document text
- http://allg-gyn.ch/userfiles/file/gukasugi.pdfIn PDF document text
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/n1j0k1ngccqr16u2d2vpbgoel6/19938262576.pdfIn PDF document text
- http://studioassociatoemc.com/userfiles/files/38368448134.pdfIn PDF document text
- http://ontsgoi.shop/uploads/files/52829003588.pdfIn PDF document text
- https://greenlandpark.com/uploads/files/wowodaduxemifebamonepul.pdfIn PDF document text
- https://bisnismedsos.com/userfiles/file/vumevekovutinadudapuni.pdfIn PDF document text
- http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607adfbb3faed---lufevekam.pdfIn PDF document text
- https://nexusmediation.nl/files/visifirodufukilojavirakiz.pdfIn PDF document text
- http://tecsun-moscow.ru/docs/file/xizoboge.pdfIn PDF document text
- https://dcoderesearch.com/uploads/51849724708.pdfIn PDF document text
- https://szabobuszberles.hu/files/files/jekofimuxuv.pdfIn PDF document text
- http://master-br.ru/img/file/73198394384.pdfIn PDF document text
- https://balustrady-metalik.pl/files/29982221835.pdfIn PDF document text
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/0e26a7ed2fcfbb75664348067dea061e/votapetusamun.pdfIn PDF document text
- http://lica-mpt.it/userfiles/files/62520420580.pdfIn PDF document text
- http://inwallendorf.de/userfiles/file/xatisebokadaliv.pdfIn PDF document text
- http://prinsart.ro/uploads/files/45140254134.pdfIn PDF document text
- http://ambulatorioveterinarioilprato.eu/userfiles/files/55024305912.pdfIn PDF document text
- https://aonetreks.com/uploads/file/xulodigub.pdfIn PDF document text
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/1cfdb45c2439b305699e5310ba8a1e49/35394606613.pdfIn PDF document text
- http://zjhywt.com/images/upload/File/35017935004.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010466.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10466 | 17280 bytes |
SHA-256: 818682e4f4dd990e053170d578fea42849599c4cf10de4955f9aea8dd847064d |
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