MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
Heuristics 7
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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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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://duquenne-moteurs.fr/webroot/upload/files/35268608073.pdf In PDF document text
- https://art-lamps-rali.eu/files/file/4470254334.pdfIn PDF document text
- https://rosycaffe.com/file/51013736779.pdfIn PDF document text
- https://xuanhongkhang.com/upload/files/sesis.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce4b5e8f5f---tunasarebilezamavud.pdfIn PDF document text
- https://fotinepmuveszeti.hu/kovagoors/uploads/files/93647916143.pdfIn PDF document text
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/96ac726703e1b60ea8cbd1cc962f50a1/tidatewokaradagiwuwu.pdfIn PDF document text
- http://minutemen-jrotc.com/clients/84940/File/28004211596.pdfIn PDF document text
- https://editora-arara-azul.com.br/site/admin/ckfinder/userfiles/files/ginabibofufopikanitafimo.pdfIn PDF document text
- http://www.de.ruben.pl/ckfinder/userfiles/files/tumijufulemikefokexisanu.pdfIn PDF document text
- http://pokemom2.com/uploads/files/sebuboxev.pdfIn PDF document text
- https://www.newhorizonscrisiscenter.org/ckfinder/userfiles/files/79882069072.pdfIn PDF document text
- https://tylbm.com/Upload/ckeditor/files/27474990657.pdfIn PDF document text
- https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/af0f91509f7c7b070eaeff220a7e80d3/81831785308.pdfIn PDF document text
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/ddedmrqj1tuqcq68ps18kqq8h3/76856877826.pdfIn PDF document text
- http://herve-coiffure.ci/files/favupegizuzelirawowono.pdfIn PDF document text
- https://confidence-ist.com/ckfinder/userfiles/files/bofedutatoxanakenebitulu.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a5f22d3436---gasora.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a43fc07e12a---87848803716.pdfIn PDF document text
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4f5c74400f---51734035131.pdfIn PDF document text
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e03ee1bcb57---ritawonigexadedof.pdfIn PDF document text
- http://drsuthichai.com/userfiles/files/15599933822.pdfIn PDF document text
- http://metabolit-plus.ru/files/file/34161060772.pdfIn PDF document text
- https://alice-immo.com/userfiles/file/zulamuzu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=siemens+optipoint+500+economy+phone+manualPDF 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_off00028c57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x28C57 | 18936 bytes |
SHA-256: a1619131feb1e037a7d9fbb077090bf187ae323fd6034108e3cd9bd43685a8ef |
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font_01_sfnt_off0002bdfd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2BDFD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0002d614.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2D614 | 11084 bytes |
SHA-256: 688f48906ea2fface464048f653c9207b269b3dcd0cbe06a99feb49ab5eb77d2 |
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