MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://huntic.ru/uplcv?utm_term=working+3ds+emulator+for+android PDF link annotation
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c2afb51509---fugaxalezusowurazadufaza.pdfIn PDF document text
- http://adhdesign.de/userContent/files/20210621035846-72885219072.pdfIn PDF document text
- http://alnoorcity.com/userfiles/file/25047062138.pdfIn PDF document text
- http://richmore.kr/uploadfile/fckeditor/file/89063331028.pdfIn PDF document text
- http://xn--54-dlcdkamdj4btild5b.xn--p1ai/ckfinder/userfiles/files/ratilarefejiriw.pdfIn PDF document text
- http://vinag7furniture.com/app/webroot/files/editor_upload/files/89303118779.pdfIn PDF document text
- http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/4dejshqn44cipk21olnlnhbpc7/jetugilerawemeduzuge.pdfIn PDF document text
- https://arerp.kr/data/file///vujubikabewiwor.pdfIn PDF document text
- https://peptidturkiye.com/ckfinder/userfiles/files/17777855847.pdfIn PDF document text
- https://hostingyuvasi.com/calisma2/files/uploads/69297241627.pdfIn PDF document text
- http://islandpointfl.com/userimages/dalofekutujirojuguvosuxum.pdfIn PDF document text
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160dbb55e9a139---87566479422.pdfIn PDF document text
- http://okuninka-biale.pl/userfiles/file/gozofupawawejag.pdfIn PDF document text
- https://www.movingwithmagna.com/wp-content/plugins/super-forms/uploads/php/files/ad4205aa64a99307f379efd2c5ab4511/14362659960.pdfIn PDF document text
- https://ashleymongolia.mn/uploads/files/28993803656.pdfIn PDF document text
- http://metallpress.info/files/bipelewuzirusuzaxojoter.pdfIn PDF document text
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/facc77add6493d1031ac806fac9efaa0/55176378603.pdfIn PDF document text
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/73sonsdila8tq8bb278b5jd3ap/37611774205.pdfIn PDF document text
- https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/ngpc2npe0f6v2nmld06lur1isr/4390885294.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c13401dd7da---sipixutuvim.pdfIn PDF document text
- http://architettobotteonpierpaolostudioabacus.it/userfiles/files/71398472479.pdfIn PDF document text
- http://msiutilities.biz/documents/61388960937.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_off0000fdfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDFB | 17620 bytes |
SHA-256: 185da340c415e054e06999665b9bf8eefb339e9f1503e630ff26bb3f7377c60d |
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font_01_sfnt_off00012c87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C87 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001449e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1449E | 11052 bytes |
SHA-256: 9495cbc8ed4cd810c6ad91cc6e6a0bd3e63cb60e554d9784d70d809beba09928 |
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