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 links, many pointing to compromised WordPress sites or disposable hosting, suggesting it functions as a link farm. The embedded URLs likely lead to phishing pages or further malware downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://ketchas.ru/uplcv?utm_term=how+to+change+background+in+telegram+android PDF link annotation
- http://gs-metals.com/filespath/files/20210912164836.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613eb32aa2c67---16272815804.pdfIn PDF document text
- http://marketingnews.fr/images/file/51419557868.pdfIn PDF document text
- https://transilvaniafishing.ro/app/webroot/files/userfiles/files/68679714241.pdfIn PDF document text
- http://secureyun.cn/uploadfile/file///2021090202192799.pdfIn PDF document text
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/nfq46rbiesbputu9b70jnndtbv/lokudinipaduxelujevakun.pdfIn PDF document text
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/161315e3e83db4---96653988871.pdfIn PDF document text
- http://amghanoi.com/images/ckeditor/files/godanagufibomavuxu.pdfIn PDF document text
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/k7i5bngduu9c2qcj0a2g253bf3/xajubeguvafamu.pdfIn PDF document text
- http://baheth24aqari.com/ckfinder/userfiles/files/xatixuzosopa.pdfIn PDF document text
- http://dralituncer.net/userfiles/file/27809723089.pdfIn PDF document text
- https://pelicanfinancialnetwork.com/ckfinder/userfiles/files/7008358132.pdfIn PDF document text
- https://etre-cheval.fr/Applications/MAMP/htdocs/etre%20cheval/news_pix/file/kinoj.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1613bffd167dc1---tixun.pdfIn PDF document text
- http://chothuexehochiminh.com/userfiles/file/7566648149.pdfIn PDF document text
- http://hglobaltour.com/FileData/ckfinder/files/20210909_19507A4E5252C85B.pdfIn PDF document text
- http://video-cycling.de/files/file/pifixegulubu.pdfIn PDF document text
- https://olterus.org/contents/files/6955369961.pdfIn PDF document text
- https://vonia.mikludava.lt/images/files/51004382091.pdfIn PDF document text
- http://print-resource.co.uk/ckfinder/userfiles/files/86601813806.pdfIn PDF document text
- http://teplospectr.ru/images/files/81531455338.pdfIn PDF document text
- https://myclubowners.travelenvogue.com/userfiles/files/vubakezo.pdfIn PDF document text
- https://euinsuti.ro/app/webroot/files/userfiles/files/55709444619.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_off0000d646.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD646 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ee5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE5D | 11060 bytes |
SHA-256: e47bb3278dd23e061a835314ffa8ed40cb7a53018b21378065cfc84c5cc80945 |
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font_02_sfnt_off000107b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107B4 | 17352 bytes |
SHA-256: 83a93b3b17aef46bc486de6931984617f8615703cd380ae5c0dd0b92084c4a41 |
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