MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or malware distribution intent. It functions as a link farm, containing numerous URLs pointing to compromised CMS uploads and disposable hosting, likely to obscure the final malicious destination. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://prosquash.by/data/ruvenilotamuvuw.pdf
- http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/8c149a7266faf3181c9196619799fa6c/givaxonanokexadexofa.pdf
- https://quangcaonoithatgiahung.com/admin/webroot/upload/image/files/mibezesulevululeveludu.pdf
- https://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/41e128a59876b2cf8b4e27b2e61f452c/savadomarotodakugulag.pdf
- https://accesoriosalmayor.com/images/userfiles/file/81516336876.pdf
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609b18a2dd1ac---jorara.pdf
- http://tcihk.com/userfiles/jupabovuke.pdf
- http://ebiocell.com/uploadfile/file///2021070117460930.pdf
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fbfc418962a---78687891483.pdf
- http://www.johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/89466636899.pdf
- https://kocgrafikavukatwebsitesi.demowebsiteleri.com/upload/files/39478194758.pdf
- http://mentaplywood.com/images_upload/files/fisiregogotixerax.pdf
- https://danielstrehlau.com/userfiles/file/71846612500.pdf
- http://sro52.ru/uploads/files/20341378399.pdf
- https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/e1f9624abe60fd40e310a9f95a66e123/dedojidiwesu.pdf
- http://mayingiabao.com/upload/files/68865431537.pdf
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/290510106b28772afe9078f278c0ffe6/torijinipusibenomexo.pdf
- http://paramountswimwear.com/userfiles/files/51297485790.pdf
- https://www.straightmyteeth.eu/wp-content/plugins/super-forms/uploads/php/files/e2dc37835c1ec0a4f079364993828dba/64859359895.pdf
- http://qunjl.com/userfiles/files/kuwulisarikabaxij.pdf
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e233edd767---90139277448.pdf
- http://ajivikafinance.com/userfiles/file/judelimos.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=ets+toefl+book+pdf
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c978e5bac3---48207261629.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d58c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD58C | 16792 bytes |
font_01_sfnt_off0000eda3.bin2fb45cd0dc6cc6e459c6f93ee00cc340a3fb764ca65fccffb0965c0159c476b8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDA3 | 10248 bytes |
font_02_sfnt_off00010490.bin89787f0b3ca65034d7b5b44d34e78d80e57cf0e90316061ecf375ed8e236e8f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10490 | 18572 bytes |
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