MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external URIs and links to compromised WordPress uploads, indicating it functions as a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. No scripts were extracted, but the structure and URLs point towards a malicious document designed to lure users to external sites.
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://coretry.ru/uplcv?utm_term=knee+joint+is+an+example+of
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e49bc4bac8---39296086379.pdf
- https://faceless.me/userfiles/files/zetudiguwa.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/30948aa2fb06c57e1482882bc5af8ddb/49117127981.pdf
- https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/dca46bbae84f7a6b53f65314a6de8355/kaxofopaxuvu.pdf
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/onpf11k4u3n6b5cgt3fnh0no2t/zipajuvewevuvebaxokuro.pdf
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/bf55e4c645e0f6c9f70452d84a4a9de7/57813047411.pdf
- https://cwlighting.com/wp-content/plugins/super-forms/uploads/php/files/57c32b8ea522a9616e7836e82364f757/2117095776.pdf
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607c54d3b51ac---gigogavizozaxa.pdf
- https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/2a3347904be7ba272ecba100a85d7390/64134906411.pdf
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160c674fa66688---gewujafuma.pdf
- http://aiswaryamatrimonials.com/fck_uploads/file/nifazopurijuvovaka.pdf
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160943e67cd0f4---68848431537.pdf
- http://accessibilite-salle-eau.com/ckfinder/userfiles/files/69712149731.pdf
- http://mariopresto.pl/userfiles/file/7586886429.pdf
- http://itkaufmann.com/images/fckimages/file/13256483036.pdf
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094c9d8dc70f---setajanikoribabovaseg.pdf
- https://www.qlsny.com/wp-content/plugins/super-forms/uploads/php/files/9a0c48994bbb978d1b8dfab4c97c5585/dafibulanapaja.pdf
- http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/2ac40c24d96ba1ce7f942879e50e0200/ruxedimatajemetenagixuma.pdf
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/ug4uktujdd00f746hrf5rctb9g/47367369001.pdf
- https://pensiuneavlasin.ro/wp-content/plugins/super-forms/uploads/php/files/f9694vmmo88nmb9vdptgfkultb/1168016284.pdf
- https://unibel.pl/pliki/upload/file/famasutesove.pdf
- https://oversaslogistica.it/file/90472132390.pdf
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/5mvea9k3m9hkap6b3232bnvn21/virabekiwav.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_off0000d829.bina2c7d66f2972bafa5c73a77620eb6c71d298d36cb7ca131169fa015e4531c17d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD829 | 16372 bytes |
font_01_sfnt_off0001029e.bin15dcfcf9b37542ebf21d6b9ddabd29f38bc214b26aa3654246f7cbd5e5d38426 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1029E | 10644 bytes |
font_02_sfnt_off00011afa.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AFA | 16792 bytes |
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