MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, presenting numerous URLs that likely lead to phishing sites or further malware downloads. The presence of multiple compromised CMS upload links suggests a tactic to host malicious content on seemingly legitimate but compromised infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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=7+day+rescue+diet+pdf PDF link annotation
- http://gloria-eurex.com/vavenoxaxoxobarivi.pdfIn PDF document text
- http://agataklimowska.pl/userfiles/file/81477161447.pdfIn PDF document text
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1a28640e13---mezipozulajumemovu.pdfIn PDF document text
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/160a118159016c---rirelajozoza.pdfIn PDF document text
- https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a84647e70c1---savafenovop.pdfIn PDF document text
- http://x-site.by/upload/editor/files/wujujuvadab.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac6a7085bd1.pdfIn PDF document text
- http://lehnerkom.de/images/uploaded/file/xifadazabuju.pdfIn PDF document text
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b936694fa0f---60828968751.pdfIn PDF document text
- http://innovad-ltd.com/userfiles/file/33498829657.pdfIn PDF document text
- http://johncarroll1967.com/clients/1/18/1896e795ecc2602204d707ec4e69586f/File/fupejijixodivawabebut.pdfIn PDF document text
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/c2270fh77haa9mvm3lgipfmbg6/gaxulugomizunuto.pdfIn PDF document text
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/dkajb75p50lh35srv0g9ppc4b0/rapituda.pdfIn PDF document text
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161255ad4a4545---78056476334.pdfIn PDF document text
- http://paneldeconsos.com/userfiles/file/melezexuxoginur.pdfIn PDF document text
- https://dalnoboy.com/data/filestorage/upload/files/71682032729.pdfIn PDF document text
- http://jfe.hk/userfiles/94058876390.pdfIn PDF document text
- https://siangyun.com/upfiles/editor/files/wikivesowinebulupofatisef.pdfIn PDF document text
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/ef8ee1100556768376647f1fc9eb9896/9741805964.pdfIn PDF document text
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/b0012b1f22040290847b5054c5bc5b59/1157659572.pdfIn PDF document text
- http://pokewaveanaheim.com/uploads/files/58787268055.pdfIn PDF document text
- https://srmresidences.com/images/bulk_images/files/25858077723.pdfIn PDF document text
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/1609d56f1a6572---7877631456.pdfIn PDF document text
- http://inglewood1968.com/clients/68690/File/49355162130.pdfIn PDF document text
- https://semineebrasov.ro/printuri-fi/files/83448361638.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_off0000ef28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF28 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001073a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1073A | 18532 bytes |
SHA-256: 0c5d26e13a617e5637b23c46520fca79ba659be7472d991ed672f253c559c9f8 |
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font_02_sfnt_off0001379d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1379D | 10508 bytes |
SHA-256: 8c5bcd0bffb8493883be4c6b5f620a46e58cda2edf676c780526f17e30805bd1 |
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