MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress sites and other disposable hosting domains. These links likely serve as lures for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://huntic.ru/uplcv?utm_term=meaning+of+nucleoside PDF link annotation
- https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/e465c19c94f6f0ae3e0fd78f9e5233a7/50898519169.pdfIn PDF document text
- http://sewakendragroup.com/userfiles/file/jolefedel.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160ce42e6a8499---debojobogunafuxometizavu.pdfIn PDF document text
- http://clinicaveterinariacene.com/userfiles/files/nijivetamejegedevu.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/vozifatasun.pdfIn PDF document text
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607972ce8658e---61470988688.pdfIn PDF document text
- http://therealmccoyfamilyreunion.com/clients/f/f9/f9ea119420dddc0cc5ac7622830b9f68/File/ketakovarabobubofi.pdfIn PDF document text
- https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/8gntc7m3tnhsu1eitihkco7u0h/nifumixoponexewi.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/165040cceb3785bcf1b18f40e3e2c04f/60633511709.pdfIn PDF document text
- https://www.erenang.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080a449f2860---52714734921.pdfIn PDF document text
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/791e2c0d9776f438d53a017f74771fbd/99140487950.pdfIn PDF document text
- http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202106201025346475.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16082d9a743998---bupivakotavubajonepolu.pdfIn PDF document text
- http://ildongwire.com/userfiles/file/88957114311.pdfIn PDF document text
- http://ff-engineering.com/userfiles/files/jitinuterawedevurigid.pdfIn PDF document text
- http://tebsc.com/clients/84181/File/jemer.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/2092c0d386a9e2948bbce481f314a9d4/vevofotu.pdfIn PDF document text
- https://anjingliar2.com/contents//files/7012928493.pdfIn PDF document text
- http://dynamic1984.com/user_file/file/foxivisusebudatodo.pdfIn PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/6e7aa4fdacf3c138d28c8135c2989383/88180532132.pdfIn PDF document text
- https://ofertaromania.ro/ckfinder/userfiles/files/8323754980.pdfIn PDF document text
- https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/bbaa44fd0576a80d74fe76eeee25ce9b/giked.pdfIn PDF document text
- https://webtechnocrats.com/upload/file/13730282972.pdfIn PDF document text
- http://aihyang.com/userfiles/file/golox.pdfIn PDF document text
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16098448c50994---99605696362.pdfIn PDF document text
- https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/i0gs3rc4eqa5u0m8u74vs37nf6/19648237744.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_off0000d88d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD88D | 10544 bytes |
SHA-256: e6a2c2d94845e8db92aab8d94643d561717d760219d30cd8ef5795b0a49c237f |
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font_01_sfnt_off0000f075.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF075 | 17156 bytes |
SHA-256: cc711c7df8b810f102001f02186d7fb6dd7558cd83593c1f6fc72959eb7d0b1e |
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font_02_sfnt_off00011d78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D78 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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