MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised or disposable domains, suggesting a link farm designed to redirect users. The presence of a ClamAV detection for 'Pdf.Phishing.Trojan' and ML classifier flagging further supports malicious intent. The document body is heavily obfuscated, but the heuristics indicate a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 6
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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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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 https://smidgel.ru/uplcv?utm_term=office+2007+user+manual PDF link annotation
- https://bevillelecomte.ovh/ckfinder/userfiles/files/kebemisawupezimepujaz.pdfIn PDF document text
- http://casauthienan.com/fckeditor/editor/filemanager/connectors/php/temp/file/54278169333.pdfIn PDF document text
- http://bike-aholic.com/UserFiles/file/6536216342.pdfIn PDF document text
- https://girisimhaber.com/uploads/file/66563324929.pdfIn PDF document text
- http://mygotour.com/FileData/ckfinder/files/20210921_9EFA6A0177460777.pdfIn PDF document text
- https://kitchensofdiablo.com/upload/file/25557949165.pdfIn PDF document text
- http://sys-svinding.dk/userfiles/file/momumisetogetoxukizak.pdfIn PDF document text
- http://belgium-ex.com/images/blog/file/46936614251.pdfIn PDF document text
- http://montpellier-business-plan.fr/mbp/upload/images/images/upload/ckfinder/ragewonapefexup.pdfIn PDF document text
- https://asiapharma.la/files/files/2053271252.pdfIn PDF document text
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/3omo67un9k4bkgakhdps677s96/fosebisoxulilozidoxa.pdfIn PDF document text
- http://dzerzhinsk.timebank.ru/sites/default/files/photos/pagefile/34776554922.pdfIn PDF document text
- https://www.campacinter.com/image/upload/File/33737371263.pdfIn PDF document text
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1613290bf4a885---pafoti.pdfIn PDF document text
- http://solarhomepage.ch/fckeditor/editor/images/file/24048565288.pdfIn PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/90ebd61f675fc3911ae864a7594b372c/gimogevaja.pdfIn PDF document text
- https://greenvalleykerala.com/ckfinder/userfiles/files/xizazube.pdfIn PDF document text
- http://sin-hua.org/userfiles/66842901605.pdfIn PDF document text
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613a901dc3e5a---wodexinakav.pdfIn PDF document text
- https://larioenergy.net/uploads/file/fiwikolapezu.pdfIn PDF document text
- http://lidaoxc.com/upload/files/80762888642.pdfIn PDF document text
- http://myphamso1.net/uploads/files/dikurevulotovitanilide.pdfIn PDF document text
- http://masterref.ru/editorfiles/file/62378832383.pdfIn PDF document text
- http://vector-food.com/userfiles/file/zivonisebix.pdfIn PDF document text
- 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_off0000affd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFFD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c814.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC814 | 10696 bytes |
SHA-256: 55e8e4d3d2e83809ac43710b24fcde1963e7fc64f38e4f59cfce9d80ee97634b |
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font_02_sfnt_off0000e0ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0BA | 15096 bytes |
SHA-256: f5b8fc27efed9d6b82494b3d58528596509fe3bad77ac5b34f86b3d39424dce0 |
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