MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised WordPress sites, which in turn host other PDF files. This suggests a link farm designed to obscure the ultimate destination and potentially distribute malware. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9913
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 https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607a626f0f3ae---zozadisovaxevij.pdf
- http://ampletrekking.com/userfiles/file/41154282511.pdf
- https://angelsstaff.com/uploads/file/3948249435.pdf
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/d8480bd281af1bf8f686bd828a85afad/jubadujomelixosaka.pdf
- http://chinazzjx.com/d/files/98635542475.pdf
- https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/b14b781277b7bbfa96a1d9a5c1155ce0/81275927827.pdf
- https://tenshinorchids.com/FCKeditor_upload/file/60530946691.pdf
- http://bright-mineral.com/uploadfile/file/2021052821441485.pdf
- http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c10fd0600e7---76024958843.pdf
- http://zuche0551.com/upload/file/bixoxefipijeleb.pdf
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/84907bf0319cd1afb51153607103bd61/rulerixuzok.pdf
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c929a5cb83e---lowexejemetasubofirejuzan.pdf
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/0b36fd34a6c1dfbfbc2089c69e5c5038/nuxebesasenapaxere.pdf
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/65ae14dcc3c61e49fd1611caf0cd5d3a/samikaxatepewomakibu.pdf
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/160a3ad3f92b6e---gugexumudofuketedak.pdf
- https://telewebmarketing.com/FCKeditor/file/92676966790.pdf
- http://eltonltd.ru/sites/default/files/uploads/95870067832.pdf
- http://taiwan-casters.com/userfiles/file/kijepudazuxukigaforugexuj.pdf
- http://jrmhandling.nl/upload/file/68866129221.pdf
- https://drrajanmahtani.com/userfiles/files/18369969782.pdf
- https://cottonweb.net/userfiles/file/91955358771.pdf
- https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/fa23aa2baa11dedccc586ebbcd2c2e80/65668879265.pdf
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/ffda6bdca807ff46a6dbbcafb0986a1f/65837985738.pdf
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160857b9ca2c4f---43550465954.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=homm3+complete+hd+mod
- 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_off0001f2f9.bin16faa75855ab7b3c0517acf7a7d9ea59fa27cc4518fda8cb79e359463e18273c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1F2F9 | 10316 bytes |
font_01_sfnt_off00020a34.bine9ed05e91e2fe92e77f4ecaaa2c43bc3432f3cc121bddfea29388767742dbb8b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x20A34 | 27332 bytes |
font_02_sfnt_off00024d89.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x24D89 | 16792 bytes |
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