MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded URLs, many of which point to compromised WordPress sites. The ML classifier and ClamAV detection strongly indicate maliciousness. The primary purpose appears to be a link farm, likely for SEO manipulation or to redirect users to malicious content hosted on these compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://uforoi.com/app/webroot/uploads/files/jefedamofidajezi.pdf In PDF document text
- https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c50a89b87dd---vukudisosafifopupasik.pdfIn PDF document text
- http://homenet-spb.ru/userfiles/file/62133122258.pdfIn PDF document text
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608427d50706e---tisiwoliwe.pdfIn PDF document text
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/c3afd56eabae3d58cb224e7a4c434428/govavug.pdfIn PDF document text
- http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/pefd5t0qlrh6cb5frl1tm15v7e/29827634528.pdfIn PDF document text
- http://alumcity.ru/userfiles/file/sujepanixudawogogodizi.pdfIn PDF document text
- http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/ca48f7bc77354278f413a2ae1a3de5cf/wuxiriwufuwenejevim.pdfIn PDF document text
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/b63oa2kmld5g5gh2f2458tlcj8/didodotonazemesitobexe.pdfIn PDF document text
- http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608598e7ef3b1---nijutozog.pdfIn PDF document text
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/0lcpauhe2e5to1ej8tp042524c/xuwazupawopavujiposif.pdfIn PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f4f5b0bcc1---semuvazedujudoted.pdfIn PDF document text
- http://pensionpoint.cz/userfiles/files/zidibam.pdfIn PDF document text
- http://anhuizpyy.com/upload_fck/file/2021-4-29/20210429022617587542.pdfIn PDF document text
- http://domusanna.it/userfiles/files/zuwurenibufusatuz.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085cbbb5302e---memiwiwojutedafote.pdfIn PDF document text
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160848eec1b477---27319390989.pdfIn PDF document text
- http://symbioticlifetech.org/attfile/fckimg/file///20210622215852_250894447.pdfIn PDF document text
- https://majorsagilekvaros.hu/uploads/file/bexapigajamibobolixo.pdfIn PDF document text
- https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/bcb19a361e7ca7acc8d1079a2e2afa34/fopolebijewijofup.pdfIn PDF document text
- https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072a19006f1b---kibofesanipadifami.pdfIn PDF document text
- http://amexeuro.com/an3_Uploads/file/16406201772.pdfIn PDF document text
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084eccd2a61b---54815714214.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=belmont+fish+and+chip+shopPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000baac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBAAC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d2be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2BE | 16312 bytes |
SHA-256: 41080475519edb84f2df853307a1a4d998399f5799d6d1a6057211294b6159ee |
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font_02_sfnt_off0000fd54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD54 | 10836 bytes |
SHA-256: 7ca94626b04536d33961dd869d9de2b7c88fa0c8276950df8115bf7a70810cf9 |
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