MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Numerous heuristics indicate the document functions as a link farm, hosting a large number of URLs on potentially compromised or disposable domains. These links likely serve to redirect users to phishing sites or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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://bursac.net/userfiles/file/90634465756.pdf In PDF document text
- http://beverleyannes.net/home/beverley/public_html/ckfinder/userfiles/files/nosuju.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bd22cf4267c---figajuxovifupivepove.pdfIn PDF document text
- http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/1608601717b0fe---guvotopenefuwilikunu.pdfIn PDF document text
- http://www.puhito.hu/uploads/mofunumi.pdfIn PDF document text
- http://radio-salsa.com/php/rs/filesupload/file/nolenetenutediruzofir.pdfIn PDF document text
- https://tangentemag.com/img/file/meridu.pdfIn PDF document text
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/33bdd7e4046eb60ae20f0e73035d384b/garax.pdfIn PDF document text
- http://rudolphalexander.com/uploads/files/48393821595.pdfIn PDF document text
- http://elitvorota.ru/f/file/85637437746.pdfIn PDF document text
- http://netinflux.net/userfiles/file/garimupoxek.pdfIn PDF document text
- http://bellina.pl/userfiles/file/66307655422.pdfIn PDF document text
- http://alkanboya.com/files/file///vibewatusukanexil.pdfIn PDF document text
- http://ahkjt.com/upfile/file/suxeligasorijip.pdfIn PDF document text
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcaa70561eb---95819283258.pdfIn PDF document text
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/p64chbn2sfvou91qjbm4uja29i/7781429694.pdfIn PDF document text
- http://busangh.com/attfile/fckimg/file///2021061912515_711613501.pdfIn PDF document text
- http://xn----7sbabaajmdfbk3ddf3azka3b6a2r.xn--p1ai/ckfinder/userfiles/files/bujolumekaza.pdfIn PDF document text
- https://carcable-bg.com/uploads/pictures/files/mebojerutalesenaniguge.pdfIn PDF document text
- https://najlepsze-w-polsce.pl/uploads/8419541974.pdfIn PDF document text
- https://xaydungdonggia.com/app/webroot/files/images/pages/files/fovupaxit.pdfIn PDF document text
- https://roweryelectra.pl/app/webroot/uploads/file/16284050497576.pdfIn PDF document text
- http://webs123.com/userfiles/file/12656460188.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=primary+intraosseous+carcinomaPDF 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_off0000eb92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB92 | 10560 bytes |
SHA-256: 08bcac329e1122af81d164bad47981c1902863947f59a8fb3c4230b300863f7d |
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font_01_sfnt_off000103b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103B4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011bc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BC6 | 17704 bytes |
SHA-256: 820670543086db9aa9663a251afd32ad2ca25895e23f5e84dd8193a52aea4da2 |
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