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 trojan threat. It functions as a link farm, with numerous embedded URLs pointing to various websites, including those hosted on compromised CMS platforms. The primary purpose appears to be directing users to potentially malicious content through a deceptive link structure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://bora.su/ckfinder/userfiles/files/ketibubupojo.pdf
- https://museos.comarcadelasierradealbarracin.es/ckfinder/userfiles/files/90119794449.pdf
- http://mspchicagolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/43227392187.pdf
- http://bhk-aindling.de/userfiles/files/rebidabamavolutaredujixo.pdf
- http://dyglas.com/userData/board/file/puxilowilogexuf.pdf
- https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/2050as8mr2hn8pk9flf91unp95/2500502563.pdf
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160853758b854d---59406963257.pdf
- http://beamstraffic.ae/amb/userfiles/file/10155532637.pdf
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca57441ef4---80525642181.pdf
- https://parklanehotel.asia/userfiles/file/40179892077.pdf
- http://mikailang.net/userfiles/file/20210609025546_965964197.pdf
- http://nedirajtebosnu.net/userfiles/file/mofevofikoji.pdf
- https://susta.vn/userfiles/file/72704901087.pdf
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/76b6ad3db9662cfade930987bd610ccb/jiduvawatizokuvidiji.pdf
- https://vieclamlaocai.vn/webroot/img/files/vajikaweziriwuzikage.pdf
- http://seamacros.com/upload/file/vosimebe.pdf
- https://bangiyaparishadtoronto.ca/bpt/editor/uploadfiles/pevigefemipupupujujoj.pdf
- https://bio-obst-und-gemuese.de/userfiles/file/lilusufofixoronakofe.pdf
- https://traveletrust.com/basefile/traveletrustcom/files/pirikakonunegewokan.pdf
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/842ac071631ed3383f3168f3ff772e69/loxotizepatinewubum.pdf
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/1609f740db8e34---37065799511.pdf
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/a05e902djfs98o9v804pdfoep6/kelugubisuki.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16077e5593ac0a---58498329550.pdf
- https://nsstore.mx/ckeditor/ckfinder/archivossubidos/files/52672330939.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=tecnicas+de+rapport+psicologia+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_off0000b59a.bin681ded3b81933df3270ddae4dd12c4a2f22130118e0b79c2cc5d5721605ee83b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB59A | 10756 bytes |
font_01_sfnt_off0000ce3f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE3F | 16792 bytes |
font_02_sfnt_off0000e651.bin0f6199eeb740cb0c0077edda6a7549b5f3bd7bfdff399bbb5509e6992c342a87 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE651 | 14948 bytes |
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