MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a link farm pointing to various compromised websites, likely intended to redirect users to download unwanted software or further malicious content. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports the malicious intent of distributing links through a compromised infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://oniceh.ru/uplcv?utm_term=shareit+apk+old+version
- https://alice-immo.com/userfiles/file/muzusiladamujivubuvu.pdf
- https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/92fa52119b473ba7442751240039f914/muwapoxidakaforulojur.pdf
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/312e1f53252bad6c678c9834c637f808/4336575453.pdf
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609faa71a7a06---55954251069.pdf
- https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/3fdad24ca5d0b87f5b37718b7e0ef428/33964185960.pdf
- http://mvclassof1990.com/clients/8/8c/8ca0ba2c7a07c5cd1f21f9fc323c16c5/File/133254512.pdf
- http://libertyquad72.fr/userfiles/file/84629213111.pdf
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/9bqab8h156filps5p2vjc9tk32/naxipolomaf.pdf
- https://loctra.net/userfiles/file/fexalesenezilozororeb.pdf
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c22040be4bc---fobukobusorixavisugu.pdf
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/a3gqheha3sgechc7ishuvpq9s3/lalakosidev.pdf
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/7d1d202803803652d82f49f00b8c9233/gesev.pdf
- http://anthonyvienna.com/sites/default/files/file/ziwekunavopivimur.pdf
- http://atek-ent.com/upload/file/detuzogazubewubusavawub.pdf
- http://wsystem.sk/userfiles/files/dizevipulure.pdf
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/4b21c800e4e6ed33fafdf9e20edf2c43/mejusenonazizorakadatufo.pdf
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd0b7c6bb7---bapebijosibajulewuxezonu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- 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://scripts.sil.org/OFL
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cfb7.bin7adef1f2d9de06a0c2bdad07a8a095c44f8af021eb00ee6392dc9ed24f146f29 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFB7 | 3044 bytes |
font_01_sfnt_off0000daa1.bind20579af8d11afff39affa358c5cfc7eb15eb86e71e97bc4d770e1db098a17cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAA1 | 5272 bytes |
font_02_sfnt_off0000ec88.bin8740c6c0ef070503010f30a702b0c5d2b57d9b318f1badce877b8dd5e55c46be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC88 | 10812 bytes |
font_03_sfnt_off000111e7.bin541fa2b6826b0add99b7d5a173ef1e6a5567607b5192f75b810eb17d6a563501 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111E7 | 16204 bytes |
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