MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting, suggesting it functions as a link farm to distribute malicious content. The presence of these links indicates an attempt to redirect users to potentially harmful sites, likely for phishing or malware downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://inwebjor.ru/uplcv?utm_term=igi+1+android+apk PDF link annotation
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/24d53614cac8eae956ab49280968268d/60532394449.pdfIn PDF document text
- http://naucseto.cz/storage/dumobasaxufek.pdfIn PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160bf2fdd41ed8---48600513120.pdfIn PDF document text
- https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c79e603ff53---63335915799.pdfIn PDF document text
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607a253a44438---xojenilutagukowizijefesag.pdfIn PDF document text
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16071af5b90cfc---tikazexaw.pdfIn PDF document text
- https://kildevangen.dk/files/71044055212.pdfIn PDF document text
- http://gentlemensquartersbarbershop.com/wp-content/plugins/super-forms/uploads/php/files/9a6f59bb4ee2ea40d9734b17e6c84a78/38347379231.pdfIn PDF document text
- https://bonafideonline.com.ar/wp-content/plugins/super-forms/uploads/php/files/a2434b362f4d58a57eb0c8ae4f76eb54/61882274642.pdfIn PDF document text
- http://nowyhotelik.pl/userfiles/file/bubizinibejojeb.pdfIn PDF document text
- http://clingac.com/d/files/welisali.pdfIn PDF document text
- https://anthonygillant.com/userfiles/file/mamebebowumiruv.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a8c9bbc2e32---remeguwusat.pdfIn PDF document text
- https://ckmusicdesign.nl/userfiles/file/rewozi.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/16078c4e2007da---bamibanu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn 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_off0000eb4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB4D | 4968 bytes |
SHA-256: 8f3e757b0bd8766beb00f7f8edd659c069fafde317325d4638c73e3916891da8 |
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font_01_sfnt_off0000fc4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC4E | 17784 bytes |
SHA-256: 5392215fd61453e37908fb975ee98a2211a4ec691df05698cf381cefc7bbc922 |
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font_02_sfnt_off00012b52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B52 | 16780 bytes |
SHA-256: 6ec6f27ea046bee6ee709e9b7efe8d9232db8e19454521138e808ef7adf2e159 |
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