MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised CMS upload storage, suggesting it functions as a link farm designed to redirect users to malicious sites. The presence of multiple distinct hosts and the use of 'utm_term' parameters indicate an attempt to obscure the final destination and potentially leverage SEO tactics for distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/a58617a9e88e53a2a95a322f7954c54c/xalorijipudeposu.pdf In PDF document text
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609201db4bffa---96065502335.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b29b9dfe1b---61151544421.pdfIn PDF document text
- https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/eebd7b108cbb97808b1b1c3fb579ccd3/vajiganofipig.pdfIn PDF document text
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/28ecf0ef1a56c0e3ab0402c11dca2946/tunagijenutu.pdfIn PDF document text
- http://dfh-consulting.com/userfiles/file/37919430600.pdfIn PDF document text
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b10c2313efb---sevetarudofubogeruko.pdfIn PDF document text
- https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/f0115ad8ed0bff2f2a1dc723863f3b2b/70201352717.pdfIn PDF document text
- http://morecoredesign.com/images/imageUps/files/beriboguwule.pdfIn PDF document text
- https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/5ad78fab20308b2e6c506f758b2fd535/34731418356.pdfIn PDF document text
- http://adamlegal.com/userfiles/file/wobulowoxudabijomatibapu.pdfIn PDF document text
- https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/b5674e884fe6b88515bc06f6bec40818/13885249906.pdfIn PDF document text
- http://wolfroccatiassociati.it/userfiles/files/pinabesalizenazedinaf.pdfIn PDF document text
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/g8593osh2bk3kut5ontfambui3/3300490020.pdfIn PDF document text
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608418fcefb61---5603158441.pdfIn PDF document text
- https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/blqsguqlvi2qiab09mlspt2q0n/21763526195.pdfIn PDF document text
- https://perfecthospital.net/ckfinder/userfiles/files/vigivogonu.pdfIn PDF document text
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/5pe4a5uqg5e7vbde9fgun08cvm/19891147327.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/ggslot82esds6s33c3ohd94hn7/15640321130.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3457f46962---jetukewodameguxur.pdfIn PDF document text
- http://amdind.com/userfiles/file/wiwamavabakogafipuwikobas.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b9648ecc4c3---duvuke.pdfIn PDF document text
- https://whiteelephant.co.in/wp-content/plugins/super-forms/uploads/php/files/8e21e3633658ab9941bc9bd1fdbc2977/55369303396.pdfIn PDF document text
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160814812a3c7f---85703045887.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/tr1rcakgv15nm3h0e5ffoara14/rubodokumiruwewanizavu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=hoover+f4255+manualPDF 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_off00014c63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C63 | 17204 bytes |
SHA-256: 56a841b305eafbc371495421769bfc007dd3823ee5e9aef714eafc4261ca7172 |
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font_01_sfnt_off000178dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x178DD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000190f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x190F4 | 10508 bytes |
SHA-256: c34b7544b1e5f0dee624dc77af0676bdcb6fee05ba54ac22e0369b28ceb6b1ae |
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