MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded URLs, many of which point to compromised CMS upload storage or disposable hosting. This structure strongly suggests a link farm designed to redirect users to malicious sites, likely for phishing or malware delivery. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
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://3bbb.fr/ckeditor/upload/files/kiwovenefegu.pdf In PDF document text
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d5cd0be7836---18019840262.pdfIn PDF document text
- http://ahcxdq.com/uploads/file/292101373290.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf7457b59c---fimenuwez.pdfIn PDF document text
- http://beloezoloto.ru/userfiles/file/71493988134.pdfIn PDF document text
- https://airbays.com/userfiles/file/rovinilude.pdfIn PDF document text
- http://piqiso.ru/userfiles/file/34129212224.pdfIn PDF document text
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/0b451830ba54f17d34692334bee4a016/diwenifelu.pdfIn PDF document text
- http://chikatere.com/Upload/files/purufeguvapisagaribinax.pdfIn PDF document text
- https://transpack-krumbach.de/_upload_bilder/_filemanager/file/50121933521.pdfIn PDF document text
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/7581736e797acb05dab20722e3f86e32/laguwesofi.pdfIn PDF document text
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/cb1ne6j2b58jv29vpp855p45iq/xedumuxorawimesife.pdfIn PDF document text
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/46ecd11231111a96caef82c80139b852/morenufuxexosamuw.pdfIn PDF document text
- http://aunay-sous-auneau.fr/ckfinder/userfiles/files/24510554751.pdfIn PDF document text
- http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/3956182616.pdfIn PDF document text
- http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/33094398588.pdfIn PDF document text
- https://ldcpc.com/ckfinder/userfiles/files/pelexudorid.pdfIn PDF document text
- http://wingmanplanningdemo.com/userfiles/files/lasunafugini.pdfIn PDF document text
- http://beepost.vn/upload/userfiles/files/4857920452.pdfIn PDF document text
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f544492bf3---73097016218.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092257e4be41---34617590432.pdfIn PDF document text
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/8f40f653953d9887bcd8c7ba68681d4c/zumoda.pdfIn PDF document text
- http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202107071515347069.pdfIn PDF document text
- https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/eb3826962f16803aa66c509f3be3ec0f/lixolej.pdfIn PDF document text
- https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/fc5c8a568191a0bb8eb7409333be4d9a/tokanawesuxitek.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/d806d0d058494decfdaf0d99019fcf8c/38727194256.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=coniugazione+verbo+scrivere+forma+passivaPDF 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_off00011c0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C0E | 17256 bytes |
SHA-256: 352af8e94156d9e416f42b6717283321222f3462e63e1ed2a03151a00483b98c |
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font_01_sfnt_off0001477a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1477A | 11076 bytes |
SHA-256: 9c03b92d5d439b2ffef2871bb14c6adc62445480d4a7d01d48b6affac5fb7fde |
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font_02_sfnt_off00016130.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16130 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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