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 0.9989
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://realestateconnect.us/wp-content/plugins/super-forms/uploads/php/files/h0au2i9k24ufllhaje4k6pb044/4814106740.pdf In PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160e67bfb51454---butelaboxukanomerigepoz.pdfIn PDF document text
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099e1b208d21---rinuxokupazukisobusere.pdfIn PDF document text
- http://logansport1971.com/clients/4/42/424235dfd0fdcd2d3cc2afd1e16bb83e/File/9969007541.pdfIn PDF document text
- https://myveolife.com/wp-content/plugins/super-forms/uploads/php/files/9a9b39a6078c786f71e49d02eb3e2ec3/50256145781.pdfIn PDF document text
- http://buyyoutubecomments.com/ci/userfiles/files/29294593820.pdfIn PDF document text
- http://ahkjt.com/upfile/file/71679864298.pdfIn PDF document text
- http://fairview68.org/clients/c/ca/ca24e3df3ff7fa9b839de6c08aba9959/File/gozido.pdfIn PDF document text
- http://maynenkhipuma.vn/quangbasanpham/app/webroot/upload/image/files/ligeri.pdfIn PDF document text
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c98280e8ad9---pozemumepowuso.pdfIn PDF document text
- http://laetitiabernard.fr/images/file/vupatugirokoxiluveluva.pdfIn PDF document text
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/aa707f97c3b7329404b9e9a553d48eb8/lesuvoxotan.pdfIn PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a62528f2d09---46560022329.pdfIn PDF document text
- http://omonetach.pl/foto/ilustracje/file/56951928192.pdfIn PDF document text
- http://pm-ural.com/uploads/files/56511883869.pdfIn PDF document text
- https://sailstudy.in/ckfinder/userfiles/files/lafoputefabu.pdfIn PDF document text
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c440c3c3dc---22393796912.pdfIn PDF document text
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/54f0a83e4be6dc4bd4822f10f0491341/19171470091.pdfIn PDF document text
- http://alisawedding.com/upload/users/files/69155130808.pdfIn PDF document text
- https://boyanbolyarski.com/userfiles/file/60503785577.pdfIn PDF document text
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a0f127b45e5---kudaziz.pdfIn PDF document text
- http://popmetre.com/news/files/35261764752.pdfIn PDF document text
- http://yangs-ns.com/ckfinder/userfiles/files/20210611013536.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=python+programming+questions+and+answers+pdf+class+11PDF link annotation
- http://louisiana-arts.org.s150269.gridserver.com/siteuploads/editorimg/file/4091259976.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_off0000d461.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD461 | 17800 bytes |
SHA-256: 32a411b2e19e5571afbd30f62da5f9947b4192457e5cf1e78193b0e18b57427a |
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font_01_sfnt_off00010383.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10383 | 11568 bytes |
SHA-256: 54959542bdd2e4462074ae5d5701d92fae38771b0d6519a021637b8724adbb37 |
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font_02_sfnt_off00011e69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E69 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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