MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous URLs that form a link farm, directing users to potentially compromised websites or disposable hosting. The presence of 'utm_term' parameters in some URLs suggests an attempt to track user engagement with lures like 'war thunder cheat engine'.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://cructi.ru/uplcv?utm_term=war+thunder+cheat+engine PDF link annotation
- http://phelieuviethung.vn/upload/files/95354894645.pdfIn PDF document text
- http://lecostationery.com/files/file/7939607732.pdfIn PDF document text
- https://lingchuanfloor.com/app/webroot/userfiles/files/rokomunokopalozowoja.pdfIn PDF document text
- http://becskeicsodajo.hu/admin/fck_upload/file/84464217470.pdfIn PDF document text
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/b7af95d4360e6f5e7e180f56655bcd72/10931929250.pdfIn PDF document text
- http://sitoad.com/bbqjoekey/files/202109101609405340.pdfIn PDF document text
- https://juniorclublivorno.com/sitonews/images_upload/files/misorajo.pdfIn PDF document text
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/706699f7e5beccb06006e45fa56a7c22/xabemodonuseviw.pdfIn PDF document text
- http://laureysnv.be/uploads/files/petimi.pdfIn PDF document text
- http://vinacafe-dalat.com/Images_upload/files/61189336372.pdfIn PDF document text
- http://rockhouseschool.com/rockhouse/uploads/files/durufegofomiza.pdfIn PDF document text
- https://www.domaine-vrignaud.com/ckfinder/userfiles/files/fosub.pdfIn PDF document text
- http://librojuridico.com/aym_images/files/gafekuxurufiwagoboxuf.pdfIn PDF document text
- http://splhardware.com/UploadFile/file/2021090700473673499.pdfIn PDF document text
- http://aj-freight.com/ckfinder/userfiles/files/37693389958.pdfIn PDF document text
- http://nemeckystrakac.sk/editor_uploads/files/68555748495.pdfIn PDF document text
- http://xatrbio.com/userfiles/file/xoruwivakelumopeni.pdfIn PDF document text
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613056daed6c9---likolibijariru.pdfIn PDF document text
- https://granitabrasive.com/editor_up/34889013477.pdfIn PDF document text
- http://indecomavo.pl/userimg/inc/dipatorato.pdfIn PDF document text
- http://m-s-g.ru/userfiles/files/31054979828.pdfIn PDF document text
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614093a9b1e60---puzofedo.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_off0000b958.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB958 | 10408 bytes |
SHA-256: 827d0e6b94625cbdf1bde046591ff67617df453577ba7c72dcb98d43f1b7af1b |
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font_01_sfnt_off0000d09f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD09F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e8b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8B1 | 19044 bytes |
SHA-256: 3ff4ad020c7d5d83c635cf438d76d0615cc06e6929ab1802ef501219e95fe508 |
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