MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating it's a phishing or malware distribution lure. It functions as a link farm, containing numerous URLs that point to other PDFs hosted on compromised websites, likely serving as a multi-stage attack. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests these links are designed for SEO manipulation and hosted on disposable infrastructure, further supporting a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/a6d72bc74590374dd2793dcf36c253bb/81432118473.pdf In PDF document text
- http://axiomestates.com/userfiles/file/vazaxusasidoragogon.pdfIn PDF document text
- https://egokituz.org/files/galeria/files/64078361731.pdfIn PDF document text
- https://mps-india.com/userfiles/files/91655576958.pdfIn PDF document text
- https://12shio1.com/contents//files/molitulawuzazasobemovelu.pdfIn PDF document text
- http://hasicimosnov.cz/foto/Image/file/nawawijesurejivafodatuson.pdfIn PDF document text
- http://aksaaydinlatma.com/img/editor/image/file/wuliveposalarebulazux.pdfIn PDF document text
- https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/70a86cbe7fbfc3199fa7449ef37da277/jonisekajetosopejimoxedo.pdfIn PDF document text
- http://waberry1969.com/clients/877040/File/zokuwodig.pdfIn PDF document text
- http://trungtamdaykem.vn/Images_upload/files/texitowi.pdfIn PDF document text
- https://erinmillssmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/3fuqkh40cg252jmrc93k198ij4/lovoxu.pdfIn PDF document text
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a677bd6fe1a---17804496468.pdfIn PDF document text
- https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/e36e9be0372c1f38765c36920db56f53/40613916552.pdfIn PDF document text
- http://www.heksan.com.pl/file/koregu.pdfIn PDF document text
- http://sotel-perm.ru/site/file/75875047893.pdfIn PDF document text
- https://seataclightingalaska.com/wp-content/plugins/super-forms/uploads/php/files/f9c1940e91f6e25f35448c1dca64a99d/63447219048.pdfIn PDF document text
- http://lovesushiscv.com/uploads/files/vovesumawokop.pdfIn PDF document text
- http://premiercontractinginc.com/files/file/nujuxidalaxikitaxeme.pdfIn PDF document text
- http://tryinvest.eu/userfiles/files/lanibukamex.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=oat+exam+sample+questionsPDF 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_off0000da46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA46 | 16952 bytes |
SHA-256: 6fe1e87ca5c215b975dfa775dbb8ee01214e46a46c349fcd9c86e8802910aa75 |
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font_01_sfnt_off0001066b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1066B | 10688 bytes |
SHA-256: 1559f15702380e91d9cb1bdbaf0e6387997d391da8c04a827748bb8703307624 |
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font_02_sfnt_off00011ef3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EF3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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