MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics indicate the PDF contains a link farm pointing to compromised WordPress uploads and other disposable hosting, suggesting a phishing or malware distribution lure. The embedded URLs and the nature of the heuristics strongly suggest this PDF is part of a campaign to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://tourhong.com/FileData/ckfinder/files/20210926_5077DE3315941F29.pdf In PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1614232e34675e---julisuvafafululawelusa.pdfIn PDF document text
- http://terryloops.com/E/file/xajupiboridoduvifufirugim.pdfIn PDF document text
- https://verandapattaya.com/userfiles/files/49947380191.pdfIn PDF document text
- https://ville-saintleonard.fr/pdf/14702370400.pdfIn PDF document text
- http://trungtinjsc.vn/upload/FCK/file/99182310359.pdfIn PDF document text
- http://liqaa-lb.com/files/userfiles/files/ruterudefojev.pdfIn PDF document text
- https://mimpishio2bet.net/contents/files/tazilofoxuserinifelof.pdfIn PDF document text
- https://mobilieroccasion.fr/uploads/file/57950624576.pdfIn PDF document text
- http://usefchina.com/uploadfile/file///2021090515075761.pdfIn PDF document text
- http://lynxauto.ru/userfiles/file/zejobaji.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614a46174e197---favudenolulupokenuk.pdfIn PDF document text
- http://3e3i.com/UserFiles/file///21765914792.pdfIn PDF document text
- http://seibyou-koujien.com/files/files/jozasanuvudizikewivuzu.pdfIn PDF document text
- https://nhatngudongkinh.phapluatvietnam.com/upload/ckupload/files/95186902948.pdfIn PDF document text
- https://galaxytraining.examinationonline.com/files/sajojofitefukakototi.pdfIn PDF document text
- http://www.gdchgs.com/admin/img/files/6498231789.pdfIn PDF document text
- https://www.wroclawmodelshow.pl/ckfinder/userfiles/files/64755082424.pdfIn PDF document text
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/97b5beb269a9ef2b845b7113ed0e02d5/81597664108.pdfIn PDF document text
- http://serting.eu/userfiles/files/nonabomubirim.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=google+documents+app+for+androidPDF 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_off0000b0e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0E5 | 17768 bytes |
SHA-256: 24b5f46c325cb7b1cd331b0475c75079fd75171a6673632d01ef3142f8e9e6da |
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font_01_sfnt_off0000de71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE71 | 11100 bytes |
SHA-256: 6275ebdc67e7ce7eac4405a3501a1bd56a9c3ab689556914e3ded4edd44113f6 |
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font_02_sfnt_off0000f820.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF820 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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