MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged as malicious by ClamAV and an ML classifier. It contains a link farm pointing to numerous external URLs, many hosted on compromised CMS uploads or disposable domains, suggesting an attempt to redirect users to malicious content. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics indicates a deliberate effort to obscure the final destination and leverage potentially compromised infrastructure.
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://nanumed.ro/uploads/files/binazuzukawerawo.pdf
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/oksf8c80s3a74snt57qifum216/60186510999.pdf
- https://calmoinc.com/upload/editor/file/5138760990.pdf
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/0289006aee352422da62a8bd57199848/davodilagosupebekovepesos.pdf
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/nk092q4l68p25h56ju2uf7voe4/42079924896.pdf
- http://xn--12cm8caae5d9a0a0a1dxk6dd.com/user_img/files/zivaxusi.pdf
- http://teplospectr.ru/images/files/kojenaxal.pdf
- http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/c2e73u9rseuve99bnscv810sm4/99749103652.pdf
- http://dobrasekacka.cz/userfiles/file/dodejudiduwatasezuxopivav.pdf
- https://sukhayurveda.in/userfiles/file/vanadivepus.pdf
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a90649161a4---69069509318.pdf
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1608ecd0ddfe92---42133624483.pdf
- https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/f354a901a085e32b436d2e7e183fe7d8/85071912497.pdf
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/d7267692fef07793173d48779aa9585c/zabonibuzunowiboj.pdf
- http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/1k1139eka0k1dqr97n031nf580/77861553150.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078bc0153b1f---43630082043.pdf
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/16072d952e7eae---wonubipoxojasud.pdf
- http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/076l5kjroshc4isbrlo9oidj50/zutilosojadulilekuzebak.pdf
- http://bakerfamreunion.com/clients/1/13/13be4b03bdabdd3a133c3ee64ed6201b/File/lepudegojanujigusegogus.pdf
- http://www.cddfct.com/up_files/file/lujetabezotoxenovofi.pdf
- http://daiichilogistics.com/uploads/news_file/pakalojovofoluzoloz.pdf
- http://orourkelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jetud.pdf
- https://likeevent.it/writable/public/userfiles/file/47751752743.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=best+screen+audio+recorder+for+android
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e55d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE55D | 16792 bytes |
font_01_sfnt_off0000fd74.bin8a63204929b46fa63983181cbab9fbfd4e61d63db9e55191845ab9070e8ee44c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD74 | 10576 bytes |
font_02_sfnt_off000115bd.bin41881b08e2a56e8351a602d5b7bb309f19120eb8e9dec867bc4239a7fa42229d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115BD | 16868 bytes |
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