MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to multiple URLs hosted on compromised WordPress sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The presence of numerous links on potentially compromised infrastructure supports the classification as a link farm designed to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.7451
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 http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c054c249ebf---peropisivoxurer.pdf In PDF document text
- http://worldnaturalfood.com/image/upload/File/rusijemuxe.pdfIn PDF document text
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160774d069bb97---51248690938.pdfIn PDF document text
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/8b9d8a616a3b36de7f28f75226b41781/mejakifegavid.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/13dc95f1e2f52b280814ba3daaed00b2/zurujasazejax.pdfIn PDF document text
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607d31769add1---64212254872.pdfIn PDF document text
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be982b7f655---12314698075.pdfIn PDF document text
- http://amuseonline.com/absite/userfiles/file/74709972359.pdfIn PDF document text
- http://carolstoecker.com/clients/c/c6/c60e280709801842a26e47e23f21f170/File/fonaruwamof.pdfIn PDF document text
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/m1vrvp1tocdhvc353b4ue5en47/lasakebar.pdfIn PDF document text
- http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607daf336638c---84434008382.pdfIn PDF document text
- http://jyjwqj.com/uploadfile/file///2021071916023776.pdfIn PDF document text
- http://jpcadonate.com/clients/4/48/4863a0bac697dd4b44f4a1b1fb44835f/File/lavutefejilefilexeva.pdfIn PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fba67775fa---22275455005.pdfIn PDF document text
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160977f4a54f25---weritur.pdfIn PDF document text
- http://pphu-joanna.pl/fckpliki/file/7388521056.pdfIn PDF document text
- http://m-camper.ru/ckfinder/userfiles/files/23174370916.pdfIn PDF document text
- http://www.photonics-science.com/ckfinder/userfiles/files/91304455604.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab1c4e12167---96617185372.pdfIn PDF document text
- http://shethof.ch/cgi-bin/dynamisch/file/20504623027.pdfIn PDF document text
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6b27bc4dec---7020615824.pdfIn PDF document text
- https://www.justgym.co.za/wp-content/plugins/super-forms/uploads/php/files/mjb2op2k6dl4rtg5hke9fv1gck/mukij.pdfIn PDF document text
- http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160f5fb3c51df9---nikanolalujikalajelubi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=signs+and+symptoms+of+hypoglycaemiaPDF link annotation
- 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_off0000f8e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8E6 | 17000 bytes |
SHA-256: 61b3f0d7d8ba62bd5cdd5c0c89b97e01309d002f4379ba522db563caca155020 |
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