MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous external URIs and link farm patterns, indicating a likely attempt to redirect users to malicious websites. The ML classifier and ClamAV detection strongly suggest malicious intent, with the file being identified as a phishing trojan. The numerous links to compromised WordPress sites and disposable hosting further support this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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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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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://garglob.ru/uplcv?utm_term=lego+marvel+superheroes+how+to+buy+extras PDF link annotation
- https://realestateconnect.biz/wp-content/plugins/super-forms/uploads/php/files/hmpda8em4g9jfveacqrtold6h3/4937023483.pdfIn PDF document text
- https://bluebeakbranding.com/wp-content/plugins/super-forms/uploads/php/files/5f0e0641fd8433f8afa8d3cce293af88/werub.pdfIn PDF document text
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b7532447de6---vevatemarekopuku.pdfIn PDF document text
- https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/7dd70af14064f35da0f349fa020dbb8e/mukumanum.pdfIn PDF document text
- http://www.lebedosapartotel.com/data/yukle/files/gidis.pdfIn PDF document text
- http://huucodatlanh.com/userfiles/file/3828333448.pdfIn PDF document text
- http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606eda4889b4f---dafelekerot.pdfIn PDF document text
- http://ifaistos.reality.gr/~triantaf/images/file/54402079018.pdfIn PDF document text
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/2jvg19iv9smevkrjb6g9kq1fje/watetafe.pdfIn PDF document text
- http://av-jet.ru/userfiles/file/8453739858.pdfIn PDF document text
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098a18e3e623---najavebakoz.pdfIn PDF document text
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609402c5c6306---vubidasopigaw.pdfIn PDF document text
- http://quanhoangtsi.com/upload/quangtri/files/71616921366.pdfIn PDF document text
- https://vildmarksjagt.dk/userfiles/file/vixerubowitubokorujemowi.pdfIn PDF document text
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d038a8152a2---depafuzudaditazuwiv.pdfIn PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/ec6ka7p2mvoatvk09vbf5gqtrc/sazedunazemitekipazabetom.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/riwoduveroguwonopiso.pdfIn PDF document text
- https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/b53fd01e1975c649d6ae0da1dc0c7e3f/81783341433.pdfIn PDF document text
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d48a0325121---pugakebovanu.pdfIn PDF document text
- https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/0f8184484c756d88bc3fa4ffe99dbc7f/gasowewalaxenasitodisawuj.pdfIn PDF document text
- http://banlinhkienlaptop.com/userfiles/file/kadogalibameku.pdfIn PDF document text
- http://automotiveenergy.cz/userfiles/file/87381970063.pdfIn PDF document text
- https://www.ndgai.com/wp-content/plugins/super-forms/uploads/php/files/sqc7j1f4lv24scmtdamjsfllqv/32390412527.pdfIn PDF document text
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/16082c682ef677---56433893918.pdfIn PDF document text
- http://vietxetai.com/wp-content/plugins/super-forms/uploads/php/files/tqb8rmlf5cgaultspaei7k6bg8/95844502222.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_off0000fa33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA33 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001124a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1124A | 11068 bytes |
SHA-256: 75b60e3dba9ac3173b9b4cb5a8c3f838218bd46be0d78748a82f40abed3af88c |
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font_02_sfnt_off00012bfc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BFC | 17088 bytes |
SHA-256: ca2ec26289c6de9ca18aa9157775381bfb3c61fef1efa677579f961c7edc6738 |
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