MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous URLs pointing to potentially compromised websites or disposable hosting. The heuristic 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' specifically suggests that some links lead to WordPress upload directories, a common technique for hosting malicious files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://nomylo.ru/uplcv?utm_term=rose+live+wallpaper PDF link annotation
- http://gyndoktors.de/ckfinder/userfiles/files/sizedilu.pdfIn PDF document text
- http://myredm.ru/uploads/file/42203825315.pdfIn PDF document text
- http://eurolocal.info/sites/default/files/images/file/25438857386.pdfIn PDF document text
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/7mi17a3trjr57bf36d78pnvfvf/sujagijuki.pdfIn PDF document text
- https://theelementrama9.com/userfiles/files/vuzofuluzemafe.pdfIn PDF document text
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/b4cac023482f049dea9be09c47e011b6/xajaxewimalawexixa.pdfIn PDF document text
- http://khachsanmyngoc.com/upload/files/wipabukujevuwogorete.pdfIn PDF document text
- http://himalayakebab.irafbrothers.com/shipinc/userfiles/files/voviguretogakenekebumolud.pdfIn PDF document text
- https://senesi-sklad.cz/userfiles/file/15092952443.pdfIn PDF document text
- https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/43ef9e72def153ff4ace936179aed85e/wuwokozosasasakuxojo.pdfIn PDF document text
- https://ww150003.linebot.net/upfile/files/20210909032130.pdfIn PDF document text
- https://euronet.stonavka.cz/webpagebuilder/ckfinder/userfiles/files/pufepi.pdfIn PDF document text
- https://loyd.rs/images/file/petosakatafekuboruguse.pdfIn PDF document text
- http://www.pro9apps.com/app/webroot/files/uploadimagesfile/11511731178.pdfIn PDF document text
- http://hmed.vn/upload/files/77327461901.pdfIn PDF document text
- http://kawanmto.info/contents/files/manimanevare.pdfIn PDF document text
- https://ascend.sut.ac.th/ce/2017/src/plugins/ckfinder/userfiles/files/11916889651.pdfIn PDF document text
- http://spad.kr/userData/ebizro_board/file/64910095575.pdfIn PDF document text
- https://corpeverest.com/ckfinder/userfiles/files/24006351829.pdfIn PDF document text
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/a204e5561694e125c94a086af3ef5d7b/43188259919.pdfIn PDF document text
- http://dalhousieretreat.com/cote_dor_import/admin/ckfinder/userfiles/files/28242428267.pdfIn PDF document text
- http://yztools.com/images/upload/File/26131646181.pdfIn PDF document text
- https://emenu.hu/editor_up/zikitazowesewejeta.pdfIn PDF document text
- https://www.thc.gda.pl/ckfinder/userfiles/files/rogafulibolufuk.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_off0000baa7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBAA7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d2be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2BE | 10240 bytes |
SHA-256: 053db93670ca96e49c2173127abe41cec8011d4955d81996131439b0b5d75b55 |
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font_02_sfnt_off0000e9e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9E7 | 16004 bytes |
SHA-256: ff4cce1dc19b5efc24950cc7c28b49671aa929edc3f063e692a84b97e9c3d492 |
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