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 0.9994
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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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 http://celiapopememorial.com/clients/4/45/45605e685ba8a3b32f56966823665796/File/98587848476.pdf In PDF document text
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa6ebd6ed15---fadomevosefifuwebiwoz.pdfIn PDF document text
- http://szakkepzosiklos.hu/upload/file/vuxifukonasugubapitikad.pdfIn PDF document text
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16081aa4e015cb---15260113372.pdfIn PDF document text
- https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/d4ae4840d8314f10100e644561609936/rorimamozawevafegoni.pdfIn PDF document text
- https://suksesunited.com/contents//files/ziwimunevuzobikogorufuzul.pdfIn PDF document text
- http://svaz-podnikani.cz/files/file/2475781250.pdfIn PDF document text
- https://realestateconnect.us/wp-content/plugins/super-forms/uploads/php/files/9mds49t8hboolc1v7bv98mpi96/56680369966.pdfIn PDF document text
- http://alicekhenrylawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fotudijuz.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/c2398e612ffce6f71a90d9be9661642e/fufidadovi.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/a83d343a19170b5c0e4fa3e1cf2af759/26575530054.pdfIn PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607adda80e912---5976396765.pdfIn PDF document text
- https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/p4ldqn9ehlmp11bi20b70a0d6l/kilariwekotixozanobewukil.pdfIn PDF document text
- http://grandchainfamilyfoundation.org/clients/85333/File/wukulokabija.pdfIn PDF document text
- http://ferramentabelleggia.it/public/file/87965082745.pdfIn PDF document text
- http://bertoniamministrazione.it/bertoni/public/file/84778035826.pdfIn PDF document text
- http://phantasos.org/userfiles/file/sizadop.pdfIn PDF document text
- https://sanruouvang.net/images/uploaded/file/dogudegigodasemo.pdfIn PDF document text
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/c7om983n4pdsotjn7sb1haj4op/bupejudekidowisodij.pdfIn PDF document text
- https://bnbtravels.com/ckfinder/userfiles/files/figanavuburokudufer.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607d7d8438256---52183384278.pdfIn PDF document text
- http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/160acf98501216---lelanukasunid.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=labview+2014+free+download+full+versionPDF link annotation
- 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_off0000e9e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9E9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010200.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10200 | 10968 bytes |
SHA-256: eec4a94348a1d383a13badc5f90fa62617b2b0ed83c455c9865212dc5954aa36 |
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font_02_sfnt_off00011bb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BB1 | 18072 bytes |
SHA-256: eb73c4e44dc2dd18567749b600a4c846289f5623aae3c57127065ce54453bd6d |
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