MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to compromised WordPress sites and disposable hosting, indicating a link farm designed to redirect users to malicious content. The presence of these URLs and the heuristic findings strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://ketchas.ru/uplcv?utm_term=food+allergies+that+cause+itchy+skin PDF link annotation
- https://cbdc.co/uploads/ckfinder/userfiles/files/50731573489.pdfIn PDF document text
- http://photou.cc//ckfinder/userfiles/files/lunigafot.pdfIn PDF document text
- https://gfow.om/wp-content/plugins/super-forms/uploads/php/files/huighr6j7puenfotq8gspdkf10/rademewemubutuf.pdfIn PDF document text
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/v24nom4eekf6j6q0519qq7r7ls/mozode.pdfIn PDF document text
- https://alamansyria.com/userfiles/file/padevajapesixe.pdfIn PDF document text
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3912c9d59f---suwedizafirenepitovunu.pdfIn PDF document text
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/fedhbb0c0akecbmkb1ivlop501/ridafanu.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160cad2dc2aaf2---15700021333.pdfIn PDF document text
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c120e23675---38176163061.pdfIn PDF document text
- https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce14ae1b06---87814624716.pdfIn PDF document text
- http://xn--49s538bo8ux8c.net/userfiles/file/44836683474.pdfIn PDF document text
- https://pezenasenchantee.fr/userfiles/file/wajelobejopuxopekilib.pdfIn PDF document text
- http://madmojo.com/fckupload/file/5071761255.pdfIn PDF document text
- http://coeb.eu/userfiles/files/pujukafi.pdfIn PDF document text
- http://szintai.hu/ckfinder/userfiles/files/87731299659.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a8eb882fb7---44575915126.pdfIn PDF document text
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160932180607fd---roxutinepadoko.pdfIn PDF document text
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/44070a80b176284bc558161db2f4af18/26894710531.pdfIn PDF document text
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/a38505bf541b080b957a762e0e98c089/55665301196.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/16089d8b03752d---pegodejiwuxapezetamape.pdfIn PDF document text
- https://aduanaldelvalle.com/userfiles/file/kutofelopivodopiv.pdfIn PDF document text
- http://huichem.com/ckfinder/userfiles/files/67240381583.pdfIn PDF document text
- https://dancleland.com/img/upload/file/ladinifuzaxilotukiruvu.pdfIn PDF document text
- http://thestarbusan.net/FileData/ckfinder/files/20210610_7926E7BA4370E127.pdfIn PDF document text
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb6cb3180a3---81100237023.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_off0000f8d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8D4 | 18748 bytes |
SHA-256: ee69ed27e916d2a10ec1a73348679a12ba1012600a7092e7351e1feaa64326b2 |
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font_01_sfnt_off00012922.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12922 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014139.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14139 | 10932 bytes |
SHA-256: 600a9dd650dc2be860a677a3befaa9f2bc427fd64dd6e7f9497219e2a5f4161e |
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