MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm directing to multiple other PDFs hosted on compromised websites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The file's structure and numerous external links point towards a tactic of redirecting users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.7201
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://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/63e8280018bb47c28d669566cfc91f2f/81646316189.pdf In PDF document text
- http://aviteksural.ru/admin/ckfinder/userfiles/files/bisubifoganurigopimefewa.pdfIn PDF document text
- https://manuscripthandler.com/userfiles/file/wojawibevipele.pdfIn PDF document text
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/pg407tbnnjd0mnlmd77m0eqrri/suwedagivefudajalenowif.pdfIn PDF document text
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c0c2b35a15---82290994719.pdfIn PDF document text
- http://southfieldhigh.com/clients/a/a2/a202dccd336a30abee2d0a4364b9f07c/File/xezebiniwogaxedepopizowas.pdfIn PDF document text
- http://visit-pune.com/userfiles/file/56319484163.pdfIn PDF document text
- http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1607598f5715f6---nufemuw.pdfIn PDF document text
- http://ajisushionline.com/uploads/files/98619701712.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ae22999f129---pulasitebarikuvir.pdfIn PDF document text
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160987b34142b7---23439363904.pdfIn PDF document text
- http://szentistvanpatika.hu/upload/file/balexenemisilefikapasu.pdfIn PDF document text
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608332f36f864---57721725856.pdfIn PDF document text
- https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/0fa44a8c3f1d079646375fa8db543771/kukutevukepikimegimadexo.pdfIn PDF document text
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607c0f763d174---bezeponajamokipuk.pdfIn PDF document text
- http://gldbirdgel.com/user_img/files/xiwise.pdfIn PDF document text
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/905dc6ec4e8a7a9050e6fd8a4163921e/83014986616.pdfIn PDF document text
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093e8f7eb53f---79438834847.pdfIn PDF document text
- http://autohondl.cz/userfiles/file/jibojafizuxubabejes.pdfIn PDF document text
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bf95199923a---33215291285.pdfIn PDF document text
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/bccea7518ddfffade565aeddba709fac/76766342817.pdfIn PDF document text
- http://geoodwierty.pl/files/file/buneduferenibaxezusagux.pdfIn PDF document text
- https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c8d8731afb0---misusagaxojuluxakuzeg.pdfIn PDF document text
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b97b67ddf50---86762790416.pdfIn PDF document text
- http://cbestdesign.com/ckfinder/images_store/files/divitur.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=make+your+pdf+look+like+scannedPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e9cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9CD | 16828 bytes |
SHA-256: e32578c30d04f99cbcda9e0f15963a6aa10b784cd899c70a6bc8b3cc5aded856 |
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font_01_sfnt_off000115ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115CA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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