MALICIOUS
164
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. It contains numerous links, many pointing to compromised CMS upload directories, suggesting an attempt to host malicious files or redirect users to phishing sites. The presence of a 'download button' heuristic further supports a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://larrysiegellaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/37954785736.pdf In PDF document text
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/8e5f995d02a779204b38d5b09a839745/gilalujixakotifisusatu.pdfIn PDF document text
- http://tmkb.org.tr/ckfinder/userfiles/files/butubifulepewimoveza.pdfIn PDF document text
- https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/db66afaf5a32716939b6df92a32ee7e9/buxanab.pdfIn PDF document text
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/16131d2527bd7a---marejemizifogox.pdfIn PDF document text
- https://ceccargiurgiu.ro/userfiles/file/26915580699.pdfIn PDF document text
- http://jingluo.net/uploadfiles/files/70617630759.pdfIn PDF document text
- http://templeton.sk/userfiles/file/dejurol.pdfIn PDF document text
- https://websbag.com/uploads/files/lomipotove.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16138f1c3de854---wovoseferele.pdfIn PDF document text
- https://minjar.mebel18.com/uploads/files/79872292643.pdfIn PDF document text
- https://togeltop.net/contents/files/domoxogixep.pdfIn PDF document text
- http://pooq-design.com/app/webroot/fckfiles/file/52559411611.pdfIn PDF document text
- https://martan.es/cenavarra_userfiles/files/53236733963.pdfIn PDF document text
- http://machulski.com/public/file/tagajaginupup.pdfIn PDF document text
- https://home-consult.lu/userfiles/files/wipexabusujod.pdfIn PDF document text
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613613e98b5d0---zotanujer.pdfIn PDF document text
- https://verandapattaya.com/userfiles/files/11448808404.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/a36a3e7abb17d0dd5aa18c97a2ec08c4/55893319825.pdfIn PDF document text
- http://katachizu.com/img/news/files/10244944772.pdfIn PDF document text
- http://www.childofafrica.org/media/userfiles/file/vezujelizimowazemiger.pdfIn PDF document text
- http://pokwuttibut.com/file_media/file_image/file/vefafimulixabajegarusi.pdfIn PDF document text
- http://7sate.com/filespath/files/20210919054847.pdfIn PDF document text
- http://aunay-sous-auneau.fr/ckfinder/userfiles/files/33313282095.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16147d5f71e7b5---lenovobibu.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1612f05d0e5f1c---33919037053.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=what+colour+do+you+get+if+you+mix+yellow+and+purplePDF 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_off0000dd2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD2E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f540.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF540 | 16888 bytes |
SHA-256: 98155e788b8447d460f70be7a8927b310a46dbe0bb7cecfd83aad049f154a673 |
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font_02_sfnt_off0001203d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1203D | 11296 bytes |
SHA-256: 4d1dd5dc3b5609ee15b8f9d1e190bec41925c13188cd939f371116be1a4beeda |
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