MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics indicate the document functions as a link farm, directing users to compromised WordPress upload storage and other disposable hosting sites. The presence of external URIs and the overall structure suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://medvor.ru/uplcv?utm_term=the+walking+dead+french+torrent PDF link annotation
- http://www.ih-consultant.com/ckfinder/userfiles/files/47671843385.pdfIn PDF document text
- http://agro-vostok.ru/userfiles/file/34400090219.pdfIn PDF document text
- http://samarthservice.com/userfiles/file/kajegavebutan.pdfIn PDF document text
- http://kolaykanal.com/userfiles/files/tetajadiriketajili.pdfIn PDF document text
- http://vigova.com/Images_upload/files/nepotidebegutij.pdfIn PDF document text
- https://cissud.it/uploads/ck_editor/files/43214473086.pdfIn PDF document text
- https://corpeverest.com/ckfinder/userfiles/files/94144597002.pdfIn PDF document text
- https://nguyenvanhuongloc.vn/app/webroot/files/images/pages/files/rigaxur.pdfIn PDF document text
- http://fine-trading-knotwork.com/uploads/media/38325004109.pdfIn PDF document text
- http://linza-market.ru/upload/files/bamalarixijereronalenava.pdfIn PDF document text
- http://seoulsquare.com/userfiles/file/bibuzevatikupet.pdfIn PDF document text
- http://qhzs88.com/admin/fckeditor_upfiles/file/2021090521510180554.pdfIn PDF document text
- https://happy-playground.gr/uploads/_uploads/files/zabivaraxunomotitokibi.pdfIn PDF document text
- https://daiichitravel.com/uploads/news_file/48458169013.pdfIn PDF document text
- https://tlproduct.com/userfiles/file/lefuroxefojivixaneludok.pdfIn PDF document text
- https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/0c77509b559ae838f8392f4ccb4fd26c/nijiw.pdfIn PDF document text
- https://masukpt2.com/contents/files/xulozanewofet.pdfIn PDF document text
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/236e69e57f0845dd781eb8031d59a7c0/44934309049.pdfIn PDF document text
- https://nikoljski.com/ckfinder/userfiles/files/58440049293.pdfIn PDF document text
- http://agierresrl.it/userfiles/files/litexelajew.pdfIn PDF document text
- https://ceccargiurgiu.ro/userfiles/file/38307588308.pdfIn PDF document text
- https://tannhatviet.vn/upload/files/tidipigijakawoban.pdfIn PDF document text
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/b01b514e3b455dd27ba43a3f90df68ed/97143784121.pdfIn PDF document text
- https://www.abrasco.org.br/ckfinder/userfiles/files/fefakewu.pdfIn PDF document text
- 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_off0000f7ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7EE | 10728 bytes |
SHA-256: 3499b17a2db5053c7400e91001b3b013dc8c5987708f84268f30dad1a728daaf |
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font_01_sfnt_off00011062.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11062 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012874.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12874 | 19052 bytes |
SHA-256: 22ef1a7711a0e5bf425e49b07401335741fbb4dadf2fc55f77a7caf8f0861054 |
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