MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple compromised WordPress sites and other disposable hosting domains. The embedded URLs, such as 'https://coretry.ru/uplcv?utm_term=two+phase+method+example', are likely used to distribute further malicious content or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://coretry.ru/uplcv?utm_term=two+phase+method+example PDF link annotation
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160981bfb71aee---85751949179.pdfIn PDF document text
- https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/16089e0b99598f---bekukejuvozigazobabodob.pdfIn PDF document text
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/160722dac56c57---pumizibew.pdfIn PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abab279fdc5---19966094620.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/16077137706c37---gapufe.pdfIn PDF document text
- https://www.truegridpaver.com/wp-content/plugins/super-forms/uploads/php/files/129e56bfc4e3c48f48c846439fca1464/punokebegozanuwazemusomu.pdfIn PDF document text
- https://ibeguiristain.com/userfiles/files/soxokajosijuw.pdfIn PDF document text
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/bkpa6t8adlffj2jmcp35d5vr8l/pifopopuzi.pdfIn PDF document text
- http://gasthaus-steinkirchen.de/img/editor/file/52418436653.pdfIn PDF document text
- https://latework.cz/soubory/nefebotuvedi.pdfIn PDF document text
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/f80q5456srbk7onn636vfdhab9/vogevoboxa.pdfIn PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160afa2a0d8afa---4661242345.pdfIn PDF document text
- http://backupcenters.com/userfiles/file/fokumolabijadefibeko.pdfIn PDF document text
- http://pnmanagementsolutions.in/uploads/9465788741.pdfIn PDF document text
- https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/ef627b1dbd343ad7c4a6f84c676b7973/vowapanokanotexeret.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072dca552515---96501901430.pdfIn PDF document text
- https://binarbaidservices.com/public_html/userfiles/file/82234984225.pdfIn PDF document text
- http://tamlaproject.com/userData/board/file/volav.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_off0000e7f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7F1 | 5212 bytes |
SHA-256: e5eb7371d461d7782ac551050bbdce689580e8ea17cbee541de9ac0d061667ff |
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font_01_sfnt_off0000f99a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF99A | 10720 bytes |
SHA-256: d67c5d381b45fd4c3769a1ece5e4c7ca124c4e42c9c85395c0eeb8c520aa2929 |
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