MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous links to compromised websites, many of which host further PDF files, suggesting a link farm designed to distribute malware. The presence of a URL with 'windows+10+loader+download+free' strongly indicates a phishing or malware distribution lure. ClamAV detection and ML classification confirm its malicious nature, likely as a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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 https://garglob.ru/uplcv?utm_term=windows+10+loader+download+free PDF link annotation
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/1666a052cce57e88204a37e1d649c91f/24539997511.pdfIn PDF document text
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/47bc34917d70f1cfb117b88e82641118/34333634094.pdfIn PDF document text
- https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/r0a5iq5ei3kmoi9u27uj8bfbj1/tulun.pdfIn PDF document text
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c52268ac7d---66842596065.pdfIn PDF document text
- http://aliceinformaticasrl.com/user/pages/kiwozaraju.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/2ef2bec94f34cb43381d9dd87549ac19/14011160739.pdfIn PDF document text
- https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/4205ee70fc8bdb7f486499e6fd2521d6/rixuwexibedotuxuneg.pdfIn PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/ulc9tkscc26ms1uv2iu0g140ad/jebopadixovuzegivuwewiz.pdfIn PDF document text
- http://www.anclupnapoli.it/userfiles/file/vuxod.pdfIn PDF document text
- https://textolinguisticsolutions.com/upload/editor/file/bemunupapixipalipotaxaw.pdfIn PDF document text
- https://www.analfissur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160830bd7db002---jusizarogusudewejafemofup.pdfIn PDF document text
- http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070016b0d4e0---tawola.pdfIn PDF document text
- http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/160c2ae6241f05---mofozupiderufu.pdfIn PDF document text
- https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/a999380eb9aaaf98ee3d927c2250d573/wevepewoji.pdfIn PDF document text
- http://thangmayedex.com/webroot/img/files/pafuwikix.pdfIn PDF document text
- http://kotolantopeni.cz/file/66664492862.pdfIn PDF document text
- http://xedaptap.net/userfiles/file/rulol.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e95d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE95D | 5200 bytes |
SHA-256: e30d9c1c5e7ff1052337ff66e52bbeeb772dd741bba274598b2f220efd3543d9 |
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font_01_sfnt_off0000fb39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB39 | 10380 bytes |
SHA-256: d5dbfb47f36a70f8081092a51a314427bcfab901e0065ec5ea008d3ac9827230 |
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