MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified the document as a link farm pointing to compromised CMS upload storage and disposable hosting, suggesting an attempt to redirect users to malicious content. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/9c5pdos77vk1ki743j06fkfvm2/70352438204.pdf
- https://milsagliksen.org/upload/ckfinder/files/xubig.pdf
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a2634f447ac---34986626437.pdf
- http://skincarebylaura.com/clients/862251/File/45966608237.pdf
- http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/51n9805krjh3sb9gj3f6bcrdrj/36102984546.pdf
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/bm0pmvl5u0nhcjn0nqisrb7sg6/20144549097.pdf
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/qc2llksm978r9q7hion19pd3it/pupanipede.pdf
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/a67d2d824ba22bcfe79a8f9e62fe9638/bokepiloritaxe.pdf
- https://vivaldiroberto.com/img/files/mediafiles/file/pajizujulew.pdf
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/1982ba7e2c0baa1c0ecf16d9e2c72977/fokoruvewadoraxokatap.pdf
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dafb958da5---vapixepuruzurig.pdf
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/3jmf7gu0u1p74fh7klr72os88e/3597714249.pdf
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/1609827a965a0f---25144588180.pdf
- http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087a99602ace---worasufedusedukuwamakujem.pdf
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/f2d53a04fccdfc213c287e2006ff25ff/120422473.pdf
- https://cwlighting.com/wp-content/plugins/super-forms/uploads/php/files/22c3158860f776a8e6de075ed03473fa/50849637224.pdf
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1606e8650741f8---74467111145.pdf
- https://tripleccompanies.com/wp-content/plugins/super-forms/uploads/php/files/35a43e4524cf7f0d7ea5b4a6c600dbbf/xeduje.pdf
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e0df7a8edd2---setelotol.pdf
- https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/7fce5d1d7b0c494c25e7152a4a520024/riviguxafopurawiz.pdf
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16072d709a715b---47013501291.pdf
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/783180cc7b80a3bbf8306b01251fb853/29681156974.pdf
- https://oklogistic.lv/upload/file/15788614461.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=would+have+should+have+could+have+use
- 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_off0000e994.binc8418406286ed5320a93f0acd349fec46aeffc4e07d66f0a866050f54bdddd77 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE994 | 27504 bytes |
font_01_sfnt_off00012150.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12150 | 16792 bytes |
font_02_sfnt_off00013967.bin20aa2110a36309f8bc78544bf04f0ba87f825926dfe358aa0585b88cbe60e81e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13967 | 10232 bytes |
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