MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links pointing to other PDF files hosted on compromised WordPress sites. This structure is indicative of a link farm designed to obscure the true destination or to distribute malicious content. The ML classifier and ClamAV detection strongly support a malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16094099eec41c---piwagifugemedir.pdf In PDF document text
- https://prairieroseclothiers.com/FCKeditor/file/44252450879.pdfIn PDF document text
- http://shreyaghoshal.com/konadnew/userfiles/file/77830939835.pdfIn PDF document text
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa4a30815f---68120476435.pdfIn PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a23304d25c3---lirowozuv.pdfIn PDF document text
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0e9f197125---52208025571.pdfIn PDF document text
- http://askort.pl/Upload/file/numibevejurawufovokubila.pdfIn PDF document text
- https://catequesisnavarra.org/guiarte_userfiles/files/44637748737.pdfIn PDF document text
- http://hookmyweddingup.net/clients/73542/File/86793256762.pdfIn PDF document text
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bcb644711f1---82713188770.pdfIn PDF document text
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/f61765a1f23e461c912883ad70d87f25/lebomamesegi.pdfIn PDF document text
- http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b68d6d3cc3---gavubeximoki.pdfIn PDF document text
- https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/d035535ee02b9448cc2809be28005f9d/keziketogisidameluver.pdfIn PDF document text
- http://imhkayseri.com/resimler/files/47107039627.pdfIn PDF document text
- http://mdbim.pl/ubezpiecz/obrazy/file/nusomajezotinabonul.pdfIn PDF document text
- http://tcsm62.org/uploads/news/file/xesunojisinojileduzo.pdfIn PDF document text
- http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/c203d300909d89a10cc75c49b56ac89b/wulekosarunubawoguvo.pdfIn PDF document text
- http://2016montemayorreunion.com/clients/e/e5/e530e98a7ee505477716bae2fe71cdef/File/49175054423.pdfIn PDF document text
- http://macabrey-luthier.fr/data/Files/23351989015.pdfIn PDF document text
- http://cgl.lu/userfiles/files/wusomazesurebaluga.pdfIn PDF document text
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/ec24c22758186b2392563a2e924b0e07/86365760399.pdfIn PDF document text
- http://urbanconstructions.org/images/uploadedimages/file/52380560676.pdfIn PDF document text
- https://matfplayer.com/calisma2/files/uploads/wajorasezetajesozefe.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=central+park+hotel+eilatPDF 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_off0000d850.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD850 | 17364 bytes |
SHA-256: c1b8c5eb51611c40d4ed58c972190adff7c202b05aa4b5f91270344f0525b4f2 |
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font_01_sfnt_off00010551.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10551 | 10304 bytes |
SHA-256: 5af6478fc82f86fcb837ba2b1d3dbda0b416d0b8979b41bc1bf717e4fefcc111 |
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font_02_sfnt_off00011c73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C73 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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