MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains numerous links pointing to compromised websites, indicating a phishing or malware distribution attempt. The presence of external URIs and link farms on disposable hosting suggests an effort to obscure the final malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/39670e6dbd822282e0b8a896bc01718f/86997559524.pdf
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e5da9d72536---16445111151.pdf
- http://sungwoneng.com/upfile_editor/2021/files/sidinedepezadepedona.pdf
- http://orbitsecurity.qa/pro_mvp_tech/uploads/file/razevifen.pdf
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bcd0e464750---tulasigukutin.pdf
- http://dawahcity.com/userfiles/file/dubaferagevisudasexis.pdf
- https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/198c52eda804e4ef11ff1cc3835a16a8/71381289299.pdf
- http://laxycoffee.com/upload/files/41735868120.pdf
- https://taichielite.com/louis/taichi/ckfinder/userfiles/files/xibuzadivisowixe.pdf
- http://vizugy.hu/uploads/files/9078802166.pdf
- https://pypconsultores.mx/userfiles/file/lofulofireded.pdf
- https://ambalatender.com/upload/files/29689512269.pdf
- https://www.nexidia.it/wp-content/plugins/super-forms/uploads/php/files/c2d7d9e75f313a3da247ed386b3a1fe2/90666680720.pdf
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160714735569c3---92068435690.pdf
- http://www.fonfe.com/uploads/files/defuvimajitejowu.pdf
- http://metaglas.kr/userData/board/file/diduzuluriwu.pdf
- https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/1155603763914550c25de073f7bd6836/16531851725.pdf
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/b3e8246d1e6e3698b1ad0e718d8b6337/rolaxaxozigazoluk.pdf
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092be7f2ec54---27977392122.pdf
- http://954move.com/clients/4890/File/filavebalenuwukebebub.pdf
- http://ibb-online.ru/f/file/karakarosawejazelom.pdf
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a1fdb843cd---wegojixolinilonetugaketin.pdf
- https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607264db73771---21823530914.pdf
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613172052e450---kejuletilad.pdf
- https://areicon.com/images/file/wirapikekewosak.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=vocalise+rachmaninoff+violin+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ddb5.bin16ba890fb11ae8e5f7ccb6970d769579aa580f50ebe9cf4806ccd5a8dd891737 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDB5 | 19616 bytes |
font_01_sfnt_off000111bc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111BC | 16792 bytes |
font_02_sfnt_off000129d3.bin5852ab2ad4f102cf444351577794a526ee08a0427ccb865b9842a9e7ccf00168 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129D3 | 10824 bytes |
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