MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It contains numerous links to compromised websites, suggesting it's part of a link farm used to distribute malware or conduct phishing. The presence of PDF-specific heuristics like 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, pointing to the exploitation of content management system uploads for hosting malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/15c967b0c012cbb2ae49605f92c32b7e/96299524008.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/24e2efcbd202f0a9c007b2df654929fd/57956653411.pdf
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c76894ce3d---72847349557.pdf
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/ea20b0c49e368c99b48a8434e675e1f5/78862010783.pdf
- https://aartipalette.com/userfiles/file/58810926816.pdf
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a64131504fb---10365578383.pdf
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077c5ddf00d5---xiduz.pdf
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9bfe3a6de3---31347194780.pdf
- https://ebooksweb.net/files/file/wapepatituvomogolufe.pdf
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/c593dcb988a6c5593cea9fcd312a4d41/pozanaruxulakalebosanen.pdf
- http://atomleasing.ru/media/File/nabowaruru.pdf
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/09n557kalvp3sclktkgd7ct8op/vezavodidefejezologidar.pdf
- http://phukhoabacninh.com/images/files/xowamodogidi.pdf
- https://lightspec.com/wp-content/plugins/super-forms/uploads/php/files/9d5f11428be9f3301b49d90f08e9625e/45947215186.pdf
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/16072adac38705---31174552507.pdf
- http://burgas-remonti.com/userfiles/file/bekubopegazefosizizi.pdf
- http://mevlanaasm.com/resimler/files/21415664090.pdf
- https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/7acea05f2dcb0015d84af5599de84025/63432439969.pdf
- https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/80523c7b36414e21a6d94dc4f47c4f5c/roxiponu.pdf
- http://longearedhounds.com/clients/65743/File/fetipiviz.pdf
- https://www.hemoroidklinigi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2cbeb7751---60733836022.pdf
- http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202105010759324832.pdf
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d4dd7bc8cb3---sufibi.pdf
- http://botosani.ro/img/uploads/file/komowalabekuzuloxedid.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=tinkle+book+stories+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011119.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11119 | 16792 bytes |
font_01_sfnt_off00012930.bin4b57d515af002b0af7d95359e379bc42b8814a609cf70f8880d96c1c45e1b68a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12930 | 10524 bytes |
font_02_sfnt_off00014102.bin0f41f709bf61a14a17e4bf95d7c507ce7baaee24bf353b7cd7286c70ae9fd9a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14102 | 17380 bytes |
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