MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The file contains a link farm with numerous URLs pointing to compromised WordPress sites and disposable hosting, suggesting an attempt to redirect users to malicious content. The presence of these links indicates a likely phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/ca0f148fe34a2758255b5481cc228bd5/1840849075.pdf In PDF document text
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16083b6c9a6d8b---xufurozo.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160aac09b61fb8---8928201074.pdfIn PDF document text
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/aa08efc34be25532e0cf65b8c492bfb0/fikunejupavovenofiwegeso.pdfIn PDF document text
- https://www.ideaklinikbursa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a499ff2dfe---lovifapo.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/30293546038.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099099b9758f---4717384740.pdfIn PDF document text
- http://geoplan.su/userfiles/file/renosulevumezot.pdfIn PDF document text
- http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/66377504937.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160913fd6df40b---vivedifodivubozezuxowado.pdfIn PDF document text
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16079c22deb262---zomunomesoxezajeviwazuja.pdfIn PDF document text
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/i0lsakpgikho3avgdm4fk7p2dm/wuselofonuxafot.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096112d69dbc---silamaze.pdfIn PDF document text
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099c697be60b---69486442745.pdfIn PDF document text
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/7e1e4517bde718ebe1d5c04340df87fc/xupivonokujamakon.pdfIn PDF document text
- https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/7c60b51fcd1b39763ed4c01b8eeb1bee/79965324456.pdfIn PDF document text
- http://ehomeforeclosure.org/images/file/98413180881.pdfIn PDF document text
- http://posekatzahradu.cz/files/file/xelarovelomamuximezed.pdfIn PDF document text
- https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/1807f778659683dc5c607998ceed9b74/zarepidemuvakuxabubi.pdfIn PDF document text
- https://morethancleaningservices.com/wp-content/plugins/super-forms/uploads/php/files/1039327ebc5134ce17c0fbb3932f2569/67985562301.pdfIn PDF document text
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1609490b37fa07---15867857215.pdfIn PDF document text
- https://www.nexidia.it/wp-content/plugins/super-forms/uploads/php/files/d9e1ba33ed9dedeae94d608f51123736/jenafusot.pdfIn PDF document text
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab3df63c406---69923379741.pdfIn PDF document text
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/343d5941a4e1e6b447ac24c3064eddfc/wexuguxaxuvalokababapoja.pdfIn PDF document text
- http://vinag7furniture.com/app/webroot/files/editor_upload/files/zeguwumi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=the+sign+of+the+four+pdf+downloadPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f19d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF19D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000109af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109AF | 17376 bytes |
SHA-256: b6303c560c7374f9bb2b640123a1daac4226be58da3b764e5817bc6fa1fd775e |
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font_02_sfnt_off000136e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136E5 | 10924 bytes |
SHA-256: ac10c225ddc1b202b361cbf9b42dcef285850a0fa1f18f9df43bd9f01dc628e9 |
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