MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The file contains numerous links to external websites, many hosted on compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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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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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://irlanc.ru/uplcv?utm_term=give+an+example+of+double+decomposition+reaction PDF link annotation
- http://coxfamilyreunions.com/clients/5/56/566bc9ad745482f371977770c3e6b383/File/66306617987.pdfIn PDF document text
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/0bgb7k8rlg04b4als74q8mg6dh/riselobotifonegexaxexo.pdfIn PDF document text
- http://drentmedischadvies.nl/uploads/files/190347159.pdfIn PDF document text
- http://mspchicagolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/82896638873.pdfIn PDF document text
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607782eebdcf5---99769826009.pdfIn PDF document text
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609f0e0b8b29e---20441217657.pdfIn PDF document text
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/082f0bd215a208586d2e350cc1850fe3/wolurebew.pdfIn PDF document text
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/uhm9me915cc4fhtpt49pchi5uj/31680472792.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097c1e340272---mitutuvumubitakewibube.pdfIn PDF document text
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/9fb98d9586c67d814b79809be7e956f9/lexebilopodof.pdfIn PDF document text
- http://jp-photo.cz/soubory/files/92130782395.pdfIn PDF document text
- http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160bded85e6c66---fejirumibe.pdfIn PDF document text
- https://www.elitelawnsolutions.co.uk/wp-content/plugins/super-forms/uploads/php/files/3ao5knilnp2pf15l20c1ptpsgt/14119494055.pdfIn PDF document text
- https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/7a4ead85be1106c836b3027ed5a73f2e/59966696330.pdfIn PDF document text
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/a4a7147b69fbdd547fec8fcab13f1d11/16914340035.pdfIn PDF document text
- https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1608fce01f2248---luvafesul.pdfIn PDF document text
- https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/51a6fbe5bbd2da296eea1a13cc3c9ec3/94497919240.pdfIn PDF document text
- http://techniq.ae/admin/uploadfiles/file/35653062065.pdfIn PDF document text
- https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/160c5b36f81495---powigikodezonavasiduk.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609876926986a---purumomudiza.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085ce127f168---26314111667.pdfIn PDF document text
- https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/7748fb8099b87cf6e49185d9adff18dd/jerodevakuj.pdfIn PDF document text
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a11ce06b391---fepekisugivujo.pdfIn PDF document text
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608428c282613---37765047899.pdfIn PDF document text
- 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_off0000f14d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF14D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001095f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1095F | 17732 bytes |
SHA-256: 3c3147947f5ac4385d9a9a35a7e5925c9ed4db9e6297fa51b85eb2301bebacad |
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font_02_sfnt_off000137ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137AC | 11228 bytes |
SHA-256: bfad2994636970e146f40a02e41a336da9a2ed28e63ddd6f3227d4b090d27406 |
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