MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly indicate a link farm designed to redirect users to malicious content. The embedded JavaScript likely facilitates the redirection or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://irlanc.ru/uplcv?utm_term=cat+my+talking+tom+2 PDF link annotation
- http://sxnqx.org/upload/file/Fl202109171149372526.pdfIn PDF document text
- http://tsuiteru66.com/userfiles/file/xetefulenuke.pdfIn PDF document text
- https://ecpa.fr/uploaded/file/wotopudewixajejupononik.pdfIn PDF document text
- http://www.jobsincrete.gr/images/_user_na/file/67676183799.pdfIn PDF document text
- http://banglenhospital.com/UserFiles/File/67413438137.pdfIn PDF document text
- https://windscrm.net/files/file/ferivabexepedababalafi.pdfIn PDF document text
- http://katachizu.com/img/news/files/68967655396.pdfIn PDF document text
- http://hzjksj.com/images/upload/File/87437597100.pdfIn PDF document text
- http://primeasset.hu/fileok/file/dakesuzofulogenes.pdfIn PDF document text
- http://northmarking.com/userfiles/files/fopugitofusexudibomu.pdfIn PDF document text
- http://gpszone.hu/upload/userfiles/file/75497109475.pdfIn PDF document text
- https://zegaoyun.com/calisma2/files/uploads/24710036240.pdfIn PDF document text
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137f964c3f33---tofexepije.pdfIn PDF document text
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/c5e5bf05bae4f428d1a73c9d97a9419e/vasal.pdfIn PDF document text
- http://teleinwestor.com/userfiles/file/fanetapizikari.pdfIn PDF document text
- http://rund.cz/UserFiles/File/lanawidanasegisutefet.pdfIn PDF document text
- http://jeansresource.com/js/ckfinder/userfiles/files/kewejejimarebadibovumosat.pdfIn PDF document text
- http://dakdekkersindex.nl/images/uploads/715511490.pdfIn PDF document text
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/1613d1182ca32b---zesavevo.pdfIn PDF document text
- https://riminabda.sk/userfiles/file/bugevo.pdfIn PDF document text
- http://aolisenjiancai.com/data/files/49031462311.pdfIn PDF document text
- https://bhandarisurgical.com/ckfinder/userfiles/files/61114398057.pdfIn PDF document text
- http://holidayinntorino.com/userfiles/files/9797537070.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_off0000e8d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8D3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000100e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100E5 | 17196 bytes |
SHA-256: 42ec920bbd130674751d5dc7c6e7ee0f39df7c7776f2a64d08ed9d9b564ade6a |
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font_02_sfnt_off00012d64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D64 | 10408 bytes |
SHA-256: 50b940d3c0c7aec070ce6968af3dba6aca1aea78b22ea926a2b12fda035ae944 |
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