MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised WordPress sites and other disposable hosting, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest this PDF is malicious, likely serving as a phishing lure or a downloader for further stages. No scripts were extracted, but the structure and URL patterns are consistent with phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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://wastran.ru/uplcv?utm_term=sociology+and+political+science+similarities
- https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/b861065e76c8e54aa8f7912dd0091da2/7775930849.pdf
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/s2qhlfqshgk21kage38sfp7ajb/dojigarenaguzoxedefov.pdf
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/n1nkpsdtbk2t24q87qn635vj00/49053957361.pdf
- http://mvclassof1990.com/clients/8/8c/8ca0ba2c7a07c5cd1f21f9fc323c16c5/File/42711744188.pdf
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a05893e8ad0---34434051653.pdf
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/uv0tg2tpu3p74tvjlm9m0kcgo7/laxupunegexolemopefisokin.pdf
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/0420987812bcf66e06ece41f8cd04f6f/nupofusoxuxowumukol.pdf
- https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/3d47e0d12104b88425f721d5e473732e/nobexoxunosafitajefij.pdf
- https://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/3d33c3ddd07a79331d737b1650a30cd7/matopirinizinu.pdf
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1607f55dcac02f---71966983172.pdf
- https://www.dolphinrfid.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bae682c4b2f---wujuw.pdf
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160e2b9328c7b1---5151771936.pdf
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb594cfdc5---kopixunubulegaja.pdf
- http://gianphoiduyloimodel.com/Images_upload/files/vafoxoxorese.pdf
- http://zap-interactive.com/uploads/files/3426437506.pdf
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c739fb913b---pizofiti.pdf
- https://www.alphaveneers.com/wp-content/plugins/super-forms/uploads/php/files/dd1b5ea88d59d54d49fe5f8f680a8fc8/sexisuxinaporij.pdf
- https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160986c357c704---fikafexupowiwudif.pdf
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad75e26ac25---34065013741.pdf
- http://ats-dz.com/userfiles/file/samimeribaperutogigur.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_off00011698.bina0c00da7e6856d7f688283021892bb3ac678848eef7c481805be74fe0d9b7d1f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11698 | 11048 bytes |
font_01_sfnt_off00013019.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13019 | 16792 bytes |
font_02_sfnt_off0001482b.bin78b584d0d31cbdb3a8522ebdc7205d0dfa08b2ddc3b2795097bd9eb28173f4b0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1482B | 16732 bytes |
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