MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The file contains numerous external URIs and links to compromised CMS upload storage, suggesting it is part of a phishing campaign or a link farm designed to redirect users to malicious sites. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://detmers-kontejner.hr/files/81433164778.pdf
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/41b8d04496864e6a018e3471532e9f9a/jisupawuwiza.pdf
- https://alquimia.in/admin/fckeditor/editorfile/kirabagaresujufolowom.pdf
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077640377576---buvukojogimeponifominiri.pdf
- https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/81a1f791359fff9db97e8d53bd3f84ef/8429913536.pdf
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b31e9b23697---5553593934.pdf
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2a6c4f05e9---62847287734.pdf
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/255517c2d186bbd94986f80984264d6c/lidibomul.pdf
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/idgm851ejv3ne6oa60ev3bjvvf/gobatubemow.pdf
- https://landbondcorten.com/attachment/file/dbe0ac556a4edd6517c666a9df264e35.pdf
- https://lamaisonducoeur.ca/upload/editor/file/lilokitibewa.pdf
- https://pharma-tools.eu/galeria/file/sidazuberadaza.pdf
- http://www.doctor-carpet.com/wp-content/plugins/super-forms/uploads/php/files/1l723uvqdk0osdkbulj1ifurs5/tutorageginemupevap.pdf
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160762452da2ae---29052670391.pdf
- http://school19-zav.ru/userfiles/file/jalugukotefe.pdf
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e35d153e4c---61933587645.pdf
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160896cf4a2634---61900646120.pdf
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/14f6558e3d0a3b846c130854742b2e03/4248689240.pdf
- https://koffiewarenhuis.nl/app/webroot/files/userfiles/files/33499453860.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+recover+a+word+document+that+was+never+saved
- 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_off0000ba10.bine771db4eecfc1b1378fe187007f0c60bf9fa250b10af8604cde46b9f31f2c210 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA10 | 15904 bytes |
font_01_sfnt_off0000e350.bine31457fb66e72342659e10ca8165c0170c69f32c20ecfd6c82c74d47f35da423 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE350 | 10740 bytes |
font_02_sfnt_off0000fbdb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBDB | 16792 bytes |
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