MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The PDF contains a large number of links, many pointing to compromised WordPress sites, suggesting a phishing or spam campaign. The ML classifier and ClamAV detection strongly indicate malicious intent. No scripts were extracted, but the structure and URL patterns are consistent with a link farm designed to redirect users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/75db83e8ebffd8a28aaf7d950e6f38c5/gezaw.pdf
- http://flirdining.com/uploads/files/766993036.pdf
- http://chizclean.ru/files/fck/file/91544780991.pdf
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/fih4gvla1o6mgtbskbkgq80e0q/82525307401.pdf
- http://k12kos.com/ckfinder/userfiles/files/7441474569.pdf
- http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/16075a9c14a4ee---gujetuvomegareku.pdf
- https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/11f72f05f01f71e32374ff094ff87e56/16439833829.pdf
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c106627e47---8481861598.pdf
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/umc8hl3sejtp98uqhduac6j0d4/gigewumizopibuvawu.pdf
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608315ef92127---56938902107.pdf
- https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/qf9d8rq420rt033ll6a14iipeq/xolebex.pdf
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/0c886c79ec38a42447354b48b83667f8/69112217300.pdf
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/b1b73971c72cdb6bcb3c03337aef77e2/14776751539.pdf
- http://eska-lift.ru/userfiles/file/fitexexojegi.pdf
- https://penzionradvanice.cz/res/file/benumorowuzinibi.pdf
- https://audit-advisers.com/userfiles/file/kesewemimokafijusesijope.pdf
- http://4998horo.gmmwireless.com/contents/files/44189908004.pdf
- http://contrast.no/ckfinder/userfiles/files/42825628629.pdf
- http://automozg.by/upload/editor/files/75577000197.pdf
- https://cupanghitam.com/contents//files/16789416004.pdf
- http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa06f33ec8---tofakopu.pdf
- https://landbar.com/upload/files/defagemititakimulofo.pdf
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/28cb42d8aa03103cd65025278ab471f7/wuvifosematefuxu.pdf
- http://www.hydro-tg.pro/upload/file/jejigujaberaxitibalato.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=coulomb%27s+law+physics+classroom+answers
- 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_off00010bdd.bin99eb3c1a2c64c1ebb196da123148740d628ceb2de5e8fdb2226b3b577d0dfef0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BDD | 11048 bytes |
font_01_sfnt_off0001254f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1254F | 16792 bytes |
font_02_sfnt_off00013d61.binf7e241113d23db3ae96fafdea204971df1c955b17ac6627f6619c191358b1f28 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D61 | 18784 bytes |
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