MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. The embedded URLs and the nature of the heuristics strongly suggest this document is part of a phishing campaign, likely attempting to deliver a secondary payload or lead users to a credential harvesting site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://wastran.ru/uplcv?utm_term=exerc%25C3%25ADcios+sobre+associa%25C3%25A7%25C3%25A3o+de+resistores+pdf PDF link annotation
- https://agentcctv.com/userfiles/file/tuzixenomonutidunerisil.pdfIn PDF document text
- http://xn--80aamdqpfpr.xn--p1ai/upload_picture/sesapobipavexoxiwufedim.pdfIn PDF document text
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/52e21e9264da7c08952098542f3cba97/40383024945.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/4b9442cc4a49ff2762e4d7e27e5035f4/kuzivafinevunuzulugatix.pdfIn PDF document text
- http://utuin.net/files/fckeditor/file/famujapesugufulu.pdfIn PDF document text
- http://daoltrading.com/userData/board/file/wevomaxexam.pdfIn PDF document text
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608eeb81a2693---lidawuzuzaz.pdfIn PDF document text
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3b5ce66310---72247479832.pdfIn PDF document text
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/15ab03d54f8a6cafdcea6dd0fb34d259/feparo.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/eh49b3l1mehl1bvrprsjclagvu/sejejotuwavidosinesozuz.pdfIn PDF document text
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16099947143a84---wolove.pdfIn PDF document text
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/bc2b97ba16488aa74d37c40c9db6cc6e/gapewoguzoginerizu.pdfIn PDF document text
- https://garyjetcenter.com/wp-content/plugins/super-forms/uploads/php/files/377c653b12d41fc73814745a12b6bd5c/vaxenuw.pdfIn PDF document text
- https://www.varishastalari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fcb6c8d65d---74355128138.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/nco3eru17gv1i09ja98s98ielg/32669084649.pdfIn PDF document text
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086d228630ee---25930836249.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d9f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9F2 | 5836 bytes |
SHA-256: d04a5d4945ccc8aae1dc4967370d4ed38e60cf884e7bbaaf58c5dac5351aa7b0 |
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font_01_sfnt_off0000ed08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED08 | 11912 bytes |
SHA-256: 5b4f95732da40d47726bfd2d8fd4f292df15a34353aa0ee2a4a8d27f51743e69 |
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