MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting it functions as a link farm. The primary goal appears to be directing users to external, potentially malicious, websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://igk-lilienthal.de/downloads/mileravojerebivexazikom.pdf In PDF document text
- https://www.singaporemedicalclinic.com/ckfinder/userfiles/files/80039575416.pdfIn PDF document text
- http://cutyoursupport.com/userfiles/file/58896402650.pdfIn PDF document text
- https://aglogistics-bo.net/userfiles/file/vuvefewoxajufogafazuragop.pdfIn PDF document text
- http://taxilitomerice.cz/ckfinder/userfiles/files/jelewavasexav.pdfIn PDF document text
- http://belean.pl/userfiles/file/rigefenibi.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/161473576cc611---56064461586.pdfIn PDF document text
- http://livelyway.com/ckfinder/userfiles/files/jarevel.pdfIn PDF document text
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140e341ad77b---ropedeminofigigoso.pdfIn PDF document text
- https://gesema.com/UserFiles/file/jitisivozovabezositen.pdfIn PDF document text
- https://guclupin.com/calisma2/files/uploads/93845619197.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/fmf87glh1h56r8agukj6331kb4/rabitekurusigojulus.pdfIn PDF document text
- http://shendaoguoji.com/data/attachment/file/tokebaperu.pdfIn PDF document text
- http://55pluscommunityspecialist.com/userfiles/files/supimogenod.pdfIn PDF document text
- https://quangcaowebsitecomvn.xemlaco.com/uploads/files/33360411453.pdfIn PDF document text
- https://atasuorganiktarim.com/upload/ckfinder/files/80827330791.pdfIn PDF document text
- http://bukharageorgia.com/sites/default/files/file/69199822163.pdfIn PDF document text
- http://0851gay.org/userfiles/202109file/2021091811062670554.pdfIn PDF document text
- http://tiendanatacion.com/noticias/files/volomezitilujivewar.pdfIn PDF document text
- http://globomax.eu/userfiles/file/88147105431.pdfIn PDF document text
- http://www.clc-engineering.com/siteuploads/editorimg/file/lujututexopis.pdfIn PDF document text
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614cfdf622938---94697186463.pdfIn PDF document text
- https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/dac6d3837146485ba0e4f91cf8bd63f0/dokufipepapok.pdfIn PDF document text
- http://gemmacapitalgroup.com/foto/file/fekos.pdfIn PDF document text
- https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130cb7693bc1---bewisaf.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/1612f406aa0919---77058416244.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=push+notifications+androidPDF 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_off0000c1ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1EE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000da00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA00 | 18996 bytes |
SHA-256: 51f8fc98335651d84beedbdc497b8aae34274a06d546703033e7745db986e316 |
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font_02_sfnt_off00010ba0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BA0 | 10496 bytes |
SHA-256: a248975b9214621a275395f46825f690eca7a390d6d8ba99b99a82f07c508d3f |
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