MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised WordPress sites and disposable hosting, indicating a link farm designed to lure users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic confirms the nature of the links as a potential SEO manipulation tactic for malicious purposes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://himalayanthailand.com/image/upload/File/xedabizuluzosuxafavefipo.pdf In PDF document text
- https://zhavezbozi.cz/data/file/63075738617.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161376f023e423---tenulizufimupumiretasumu.pdfIn PDF document text
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/eraeubr225bkfb8nqhoe67ca46/tunuzetapufelituv.pdfIn PDF document text
- http://gesht.ru/admin/ckfinder/userfiles/files/tubatosapixikuzusi.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/161328cb529d58---kodonapifisir.pdfIn PDF document text
- http://taiwanquinoafamily.com/shopadmin/upload/files/rexazavinusexorazo.pdfIn PDF document text
- https://penzion-palice.cz/content/77995621428.pdfIn PDF document text
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/a3a5645ee9c546e815a1532f564b6d30/69877662442.pdfIn PDF document text
- http://insuralead.com/userfiles/file/kitenavi.pdfIn PDF document text
- http://zvaracskaskola.eu/editor_uploads/system/files/18311022554.pdfIn PDF document text
- http://muasamhangmy.com/ckfinder/userfiles/files/dujaxotebotobobupir.pdfIn PDF document text
- https://dongciao.com/uploads/files/202109011836325535.pdfIn PDF document text
- https://tasteadmin.com/ckfinder/core/connector/php/custom/wysi_uploads/files/35675861295.pdfIn PDF document text
- http://dainichiji.com/upload_ckr/files/58554336698.pdfIn PDF document text
- https://kolorubursztynu.kolorubursztynu.pl/web/uploads/files/17678259620.pdfIn PDF document text
- http://starinviter.com/ckimagefiles/danesowulas.pdfIn PDF document text
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/161363457da6f0---68235182679.pdfIn PDF document text
- http://www.smartlandgroup.com/ckfinder/userfiles/files/volew.pdfIn PDF document text
- https://doellefjelde-mussemarked.dk/images/newsmail/file/revamizesifakonavobadalas.pdfIn PDF document text
- https://undergroundtakeout.com/userfiles/file/bumuxanos.pdfIn PDF document text
- https://biholka.cz/uploades/userfiles/file/6086944221.pdfIn PDF document text
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/19d7ae7ef4d8e8f8d89301f3fbf4cfe4/84638673516.pdfIn PDF document text
- http://easternhoteljeju.com/FileData/ckfinder/files/20210905_6D236072CDB24D88.pdfIn PDF document text
- https://aletihad-group.com/userfiles/files/57449120978.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+get+spotify+premium+free+android+no+rootPDF 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_off0000e8d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8D5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000100ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100EC | 11084 bytes |
SHA-256: cd3fc09c61b20c23ceb23850bbc4bc80fab53a81499cab6807aa83eed8c3739d |
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font_02_sfnt_off00011a9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A9E | 16712 bytes |
SHA-256: de47eadea0587891a91cf815371192a88f823c1f8eff36f3ef3d2fad9680baa3 |
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