MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicative of a link farm or phishing lure. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this malicious intent. The ML classifier and ClamAV detection further confirm its malicious nature, likely serving as a phishing or SEO poisoning document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://minuspk.ru/minuspk.ru/userfiles/file/zepox.pdf In PDF document text
- https://koncnc.com/genelresimler/file/99718601524.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1ef7e40ca---libabigibuxunuxisofuxekan.pdfIn PDF document text
- http://katachizu.com/img/news/files/67714777706.pdfIn PDF document text
- http://ankurgroups.com/userfiles/file/felowomalizidisox.pdfIn PDF document text
- http://www.tekkoo.net/images/library/File/64210523951.pdfIn PDF document text
- https://inprovitperu.com/ckfinder/userfiles/files/56037796818.pdfIn PDF document text
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/a26524d34a2fed7508d2d1664dc844a5/medosulo.pdfIn PDF document text
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1610e70d19daa9---90008136747.pdfIn PDF document text
- http://sabaparsian.com/ckeditor/files/files/tiluk.pdfIn PDF document text
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/a9576c94f4fe86bc64646c96f3257b70/40386148371.pdfIn PDF document text
- http://rorolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sulinetajinapurel.pdfIn PDF document text
- https://actioncoach.com.my/wp-content/plugins/formcraft/file-upload/server/content/files/1606ceaa40cc78---94629359673.pdfIn PDF document text
- http://evopizza.lt/ckfinder/userfiles/files/7969760832.pdfIn PDF document text
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/620bc71e272c32682d62469337f31806/kareveji.pdfIn PDF document text
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/nsuvio4t50fkcgll43svk0lep3/69598055755.pdfIn PDF document text
- http://chrisdepanneservices.fr/Sites/cds/files/61291273539.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/16113a967a6d2e---sedaxokizub.pdfIn PDF document text
- http://techbis.pl/files/file/gujopokomuwujel.pdfIn PDF document text
- http://lhsclassof1971.com/clients/74120/File/jazewowarajesokoluxokopuz.pdfIn PDF document text
- http://artospace.com/pics/file/25549299083.pdfIn PDF document text
- https://starbox.fr/img/files/tidakebezeb.pdfIn PDF document text
- http://restauraceeverest.cz/userfiles/file/xalimase.pdfIn PDF document text
- http://wsp.pl/userfiles/file/poditobimopipix.pdfIn PDF document text
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/160704e2c12ed6---62073084003.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=foxit+pdf+reader+business+apkPDF 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_off0000da2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA2E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f245.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF245 | 10856 bytes |
SHA-256: f224432d26bf6dd0b5a91f16176c24a85baa468ce50fb38637448510c6372d7b |
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font_02_sfnt_off00010b40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B40 | 17592 bytes |
SHA-256: 66c692b6b2519bcf12217b60b4ea29b8a1c13cc96b733f1d23a462479be29775 |
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