MALICIOUS
114
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URIs, many of which point to compromised WordPress sites and disposable hosting, indicating a link farm designed to redirect users. The ML classifier also flagged this PDF as malicious. The presence of multiple PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics strongly suggests a phishing or malware distribution attempt via malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.8875
Heuristics 5
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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://bekescsaba.varosom.hu/userfiles/files/89461540082.pdf In PDF document text
- https://aihr-iadh.org/uploads/FCK_files/file/34758848311.pdfIn PDF document text
- https://scriptdd.com/_file/file/60253200127.pdfIn PDF document text
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607468a93a32c---62516996546.pdfIn PDF document text
- https://supermagnum-bg.com/ckfinder/userfiles/files/52803784107.pdfIn PDF document text
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/0adu0g66ra71le4eknok4l3b4u/55449625411.pdfIn PDF document text
- https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/faca6c7c4a39d5f13dcd5d1f47aff765/80289001987.pdfIn PDF document text
- https://www.mds-horizons.com/upload/files/gosano.pdfIn PDF document text
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/408504de51c80e0558bf292e260c4a3b/20113541937.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/4611865415.pdfIn PDF document text
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16098c0a49f10b---40358331554.pdfIn PDF document text
- http://bilafafafa.com/shopadmin/upload/files/32106294574.pdfIn PDF document text
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/160882efd18040---zifafopetezem.pdfIn PDF document text
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/cee2d8fe32aad6c688e37acdd80f8aca/9110380016.pdfIn PDF document text
- https://peiitw.com/Upload/ckeditor/files/virero.pdfIn PDF document text
- https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/2asj6urbr7v8j02grjjastf2p3/38754965032.pdfIn PDF document text
- http://boekenwinkelindex.nl/images/uploads/pebunuxemitukupap.pdfIn PDF document text
- http://www.polni.si/Images/files/80997016441.pdfIn PDF document text
- http://aj-logistics.com/stock/userfiles/file/gomubotixubov.pdfIn PDF document text
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/160d9f11c10c58---womomedegig.pdfPDF link annotation
- http://thestarbusan.com/FileData/ckfinder/files/20210829_C310420C7E70BF36.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160990ba5122bf---9286633725.pdfIn PDF document text
- http://helder-effect.nl/userfiles/file/34034998939.pdfIn PDF document text
- https://digireg.pl/upload/kiradane.pdfIn PDF document text
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/542ikrnr9ttlgamhmn1hun0rf4/tupepunaxadomusegaforuja.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=lessons+for+a+post+pandemic+worldPDF 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_off0000ffad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFAD | 18828 bytes |
SHA-256: 6d8d3a7031e9728219f71fd1e23a8c1916a075351aba1012c28ab28a4fbe22f2 |
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