MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document exhibits characteristics of a phishing lure, indicated by the presence of numerous links pointing to compromised WordPress upload directories. These links likely serve as a mechanism to distribute malicious payloads or redirect users to phishing pages. The ML classifier and ClamAV detection strongly support its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/160aa4f1cceb7c---rajudunevawujube.pdf
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16070a61c81df3---13419771205.pdf
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/160d65c82431af---pikawetefokanaba.pdf
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16081201316f50---ponevodalawoxogas.pdf
- http://akkoryazilim.com/userfiles/file/furetasig.pdf
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/b2858b7173de447a9ae44e183f38e009/63780781700.pdf
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160742b850d112---xuziletijanotedizixejifo.pdf
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160b74bb4e413c---70569288189.pdf
- http://www.anjhimayath.com/upload/file/fababujilesikebimofiwido.pdf
- http://dorisemitchell.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fapupimaropulefomupuwuf.pdf
- https://tempatpasang.com/contents//files/39072874222.pdf
- https://bluebeakbranding.com/wp-content/plugins/super-forms/uploads/php/files/5c0abed7673e9ca28efd56b5ea573daf/natarakifalisemipujinimu.pdf
- https://aimara-bg.com/userfiles/file/xudero.pdf
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160bb49b791abf---97214895558.pdf
- http://arcadia1973reunion.com/clients/3/33/33cb7023d77084166ed027ca16b579b7/File/sajitifokuvuvolule.pdf
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/f8b29361c438cfbfdf3162f2e2b49100/ropopino.pdf
- http://kaies.cn/upfiles/210629004006964247whufxh.pdf
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ade13d1f587---32267777856.pdf
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/21aeee2960204b4bccdae1304de6d71e/sutuzofululigevumidiwubu.pdf
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16091f343d6f69---38573439072.pdf
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609109ad3c69d---pufebawopabotewa.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095efc1163f4---92333485092.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=area+of+science
- 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_off0000ef30.bina50ea3fd54ae772652c64a9b57b7dea133e9ac8fa5176b1468629b0e22c6397c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF30 | 16932 bytes |
font_01_sfnt_off00011b60.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B60 | 16792 bytes |
font_02_sfnt_off00013377.binf81ec0cdca0b4a01d52b6dda5fdd4b4ad6d710067843c555e3f979b76a4f1364 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13377 | 10168 bytes |
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