MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm pointing to multiple compromised websites, suggesting an attempt to redirect users to malicious content. The presence of numerous external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicate a tactic to obscure the ultimate destination of the malicious payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9946
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 http://xn--m1age8bh.xn--p1ai/files/file/57367127499.pdf In PDF document text
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/1de34268d127326092b14a70900c96cc/75216049208.pdfIn PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608576fc4e151---21815291340.pdfIn PDF document text
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd30b6f2d1---11446710271.pdfIn PDF document text
- https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/b82e18c8a04a5e0f40534ffcfc3732a2/sifejakebosukuwejapife.pdfIn PDF document text
- https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/vc62vgc2o64kcghikk2ilj9ngo/kizabupoweni.pdfIn PDF document text
- http://www.gesas.it/media/mailinglist/file/56647905652.pdfIn PDF document text
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad899380585---vivalowopapisi.pdfIn PDF document text
- http://w-f-l.de/user_img/file/ranekipevosenuxabige.pdfIn PDF document text
- https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/52ebc4cd9fc0380c9af6b93a4424fc0c/risanotiregukitugamo.pdfIn PDF document text
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608dc4e504910---59953687152.pdfIn PDF document text
- https://www.dolphinrfid.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073b5c011870---34624651178.pdfIn PDF document text
- http://likebarcode.com/image/files/20210704_014634.pdfIn PDF document text
- http://absolutelyneon.com/userfiles/file/25536815565.pdfIn PDF document text
- http://danies.ru/ckfinder/userfiles/files/17262625832.pdfIn PDF document text
- http://vhs1962.com/clients/b/b9/b967f936f519796c2a696a6ed1da67f9/File/6182527586.pdfIn PDF document text
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/7343efa86acab68355baf400285477c5/vakudibiwaxenebagajijixu.pdfIn PDF document text
- http://ackerviewguesthouse.com/userfiles/file/19060751697.pdfIn PDF document text
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608e6ad6bf2a5---pewusup.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/16084284b4a98d---66764677675.pdfIn PDF document text
- http://kalikraft.com/images/file/95779252810.pdfIn PDF document text
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/2t9klvfmrhr739a6c36vbu2v09/vozujetajudadi.pdfIn PDF document text
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/160811e96511e0---67078285615.pdfIn PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071d99374b1b---27913242581.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/69233973608.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=mcgonigal+reality+is+broken+pdfPDF 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_off00017310.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17310 | 21136 bytes |
SHA-256: 6360d7864663c086a2eb6c58ea9a6722e144bf9a44e93194df9d13e78d9aa30d |
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font_01_sfnt_off0001a608.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A608 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001be1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1BE1F | 11136 bytes |
SHA-256: 85b36af8cbfd014780aa3cc044f6cdd88c28334334b3c61db49aba53ec79da73 |
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