MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS uploads or disposable domains, indicating a link farm for SEO poisoning or phishing. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to redirect users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://etenindex.nl/images/uploads/febemadexu.pdf In PDF document text
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130ea324c426---sefufijapivenutebosobugu.pdfIn PDF document text
- https://pasarangroup1.com/contents/files/joduvalaxatu.pdfIn PDF document text
- http://hcm-invoice.vn/hinhanh_fckeditor/file/bewewunadi.pdfIn PDF document text
- http://smm-mm.com/uploads/news_file/tobuliserurik.pdfIn PDF document text
- http://sweed-trans.eu/ckfinder/userfiles/files/migudozepopezoda.pdfIn PDF document text
- http://purel-biopharm.com/upload/files/89865512637.pdfIn PDF document text
- http://sostrevalli.it/userfiles/files/baninosotetaromezuvam.pdfIn PDF document text
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613578a29ad76---5427244842.pdfIn PDF document text
- http://dkyangmei.com/uploadfile/file/2021090618282873499.pdfIn PDF document text
- http://tcyy88.com/userfiles/file/2021090300521573499.pdfIn PDF document text
- http://handbook.hu/upload/page/file/sijawuzekapemusixurof.pdfIn PDF document text
- https://krassimirtaskov.com/userfiles/files/92465779039.pdfIn PDF document text
- http://bonaparte-kerkrade.nl/fckeditor/ckfinder/userfiles/file/71099611472.pdfIn PDF document text
- http://beiwendq.com/data/attachment/file/55955267026.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/njtkocq99g0dldtlse76uk5k11/36403564570.pdfIn PDF document text
- http://eko-uklid.com/files/file/fiwaxajexunuleva.pdfIn PDF document text
- http://ncfc.com.tr/ckfinder/userfiles/files/2296176199.pdfIn PDF document text
- https://efficimm.fr/userfiles/files/zifoniroloxolare.pdfIn PDF document text
- http://chemsdano.com/upload/files/xesojifuvemosajaniwomopin.pdfIn PDF document text
- http://eltprof.ru/userfiles/file/92424043821.pdfIn PDF document text
- https://inprovitcentroamerica.com/ckfinder/userfiles/files/97667188278.pdfIn PDF document text
- http://www.huntsvillepr.com/files/files/10648119378.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=novolog+flexpen+user+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_off0000e5c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5C3 | 10756 bytes |
SHA-256: 7211154c16ea854fe46883efd848295e2f42311a8a8bb24194a2b1282e57db77 |
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font_01_sfnt_off0000fe97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE97 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000116a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116A9 | 17764 bytes |
SHA-256: 4ed7243d796c62d2204690d2e194229b8593148cfef6e38f27e0aae4bcb8e956 |
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