MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to various websites, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this document is part of a link farm operation. ClamAV detection and ML classification further indicate malicious intent, likely related to phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9979
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://www.vinoplaza.nl/img/upload/files/denoxozedivamokuti.pdf In PDF document text
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ab2fd31534---muman.pdfIn PDF document text
- http://covina.crazyrockinsushi.com/uploads/files/29313022676.pdfIn PDF document text
- http://cafemsoffice.com/userfiles/files/6957136387.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/peuq46ic5re141shjsoq38noi7/24433906117.pdfIn PDF document text
- https://trade.inter-ural.ru/ckfinder/userfiles/files/53021567683.pdfIn PDF document text
- https://pastijptoto.com/contents/files/60060545111.pdfIn PDF document text
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/fb833dfda10bf6337ecc53518b807b03/11302309230.pdfIn PDF document text
- https://natatourism.com/userfiles/files/newezefobokigexezixama.pdfIn PDF document text
- http://daming-school.com/userfiles/file/xegowoginixakigofaza.pdfIn PDF document text
- http://polskienarty.pl/data/aktualnosci_imgs/file/riloxevifoketofobogegaru.pdfIn PDF document text
- http://bangdientunhk.com/upload/files/87868647982.pdfIn PDF document text
- http://mexvp.com/ckfinder/userfiles/files/25688901758.pdfIn PDF document text
- https://apexsafetyproducts.com/ckfinder/userfiles/files/78429454982.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16132ed0fd567d---97851825735.pdfIn PDF document text
- https://resonanceacteurs.nl/userfiles/file/59609193075.pdfIn PDF document text
- https://esprimagroup.com/userfiles/file/wazivudiwuwekan.pdfIn PDF document text
- http://sunway.me/ROOT_PATHuploads/file/07051909470.pdfIn PDF document text
- https://betalinktech.com/blmedia/file/81980022565.pdfIn PDF document text
- http://daydreamspin.com/userfiles/file/suzizodizokekoxureda.pdfIn PDF document text
- http://husplaza.hu/editor_up/33841915389.pdfIn PDF document text
- https://www.ruchya.com.tw/upload/files/tulekaruzirokivoret.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=samsung+galaxy+s3+custom+romPDF 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_off0000f032.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF032 | 17616 bytes |
SHA-256: 895c61e4fd055aaa8a0f7be0070901e95efd1960bd77fab9be35081830d49a70 |
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font_01_sfnt_off00011e26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E26 | 10912 bytes |
SHA-256: 4ae83fe419b5407e601787d41d3d6ea3bf2e6ddb428ebc38bc16b26d6a56b978 |
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font_02_sfnt_off0001377d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1377D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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