MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that form a link farm, directing users to compromised CMS upload storage and disposable hosting sites. The primary function appears to be redirecting users to external, potentially malicious, content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://huntic.ru/uplcv?utm_term=worldfree4u+site+link PDF link annotation
- http://agcslohian.com/userfiles/file/pojal.pdfIn PDF document text
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/32f491ae7ec119c03c11c65e0e72d343/govojemipo.pdfIn PDF document text
- https://yaofangpeixun.com/upload/files/zaletewumowavopuvonepod.pdfIn PDF document text
- http://apartamentykunickiego.pl/architekci/public/upload/ckfinder/userfiles/files/fiwurutol.pdfIn PDF document text
- http://asustainable.com/global/file/vajopabutamazedus.pdfIn PDF document text
- https://edusfera.pl/upload/file/19939475837.pdfIn PDF document text
- http://jessie.vn/images/ckeditor/files/geranadutasifenusanitu.pdfIn PDF document text
- https://hatinhjobs.com/upload/files/lopajenivilelobesibitor.pdfIn PDF document text
- http://stapper.de/sites/default/files/userfilesfile/43896910392.pdfIn PDF document text
- http://chistogood.ru/admin/ckfinder/userfiles/files/36675973462.pdfIn PDF document text
- http://purplebyanki-com.bvirani.com/ckfinder/userfiles/files/niwepaw.pdfIn PDF document text
- http://bandenplaats.nl/cmsimages/file/22837714657.pdfIn PDF document text
- https://jahanchart.ir/data/files/file/bafowagozekadotojoxu.pdfIn PDF document text
- http://gs-metals.com/filespath/files/20210911010916.pdfIn PDF document text
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/ad4f430a23f2c2b9755ee9b3ddd000c0/79490420024.pdfIn PDF document text
- http://komputerzagrosze.pl/userfiles/file/mumusodulalixuzite.pdfIn PDF document text
- https://baust.edu.bd/app/webroot/ckfinder/userfiles/files/rinapibinuzodix.pdfIn PDF document text
- http://facyt.com.ar/ckfinder/userfiles/files/20151999835.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161431e28c2c18---28241052074.pdfIn PDF document text
- https://cebrium.ssnn.ro/images/55383924145.pdfIn PDF document text
- https://www.abrasco.org.br/ckfinder/userfiles/files/28914912090.pdfIn PDF document text
- http://quangcaosms.org/media/ftp/file/xebudokexavag.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_off0000ceda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEDA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e6f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6F1 | 10448 bytes |
SHA-256: d229b8a787018db6e84eb4ade80dbc73d9b2f726bab2e157e2466b1334e50b9c |
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font_02_sfnt_off0000fed0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFED0 | 17816 bytes |
SHA-256: 6aaed8b673d15cd2b3b2a8579f3eb940f438a3517813fb6e144a816c2417d0de |
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