MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The PDF file contains numerous links, many pointing to compromised WordPress sites and disposable hosting, disguised under a lure of 'how to draw simple zentangle patterns'. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or SEO-based redirection to malicious content. No scripts were extracted, but the embedded URLs are the primary indicators of compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/lkhe2uutenar6fjo9oum8e2cb3/21754129933.pdf In PDF document text
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d11f27aa84---40983920741.pdfIn PDF document text
- https://carea2plus.com/wp-content/plugins/super-forms/uploads/php/files/648ca0615def82a2ba8e2d0b8225b528/woniladugatedenupavibamu.pdfIn PDF document text
- https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/c0e0fc9e2d89d38d4bb0dec2c593b0ac/77033162272.pdfIn PDF document text
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/05f7953d1e6d9790409a699c2261ea8c/64694136316.pdfIn PDF document text
- https://alnahamgroup.com/userfiles/file/32068821198.pdfIn PDF document text
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/177f117282da5c3c2494032d2143b752/90240818383.pdfIn PDF document text
- http://ajtoablakcentrum.com/_user/file/nikemejuxarevufurot.pdfIn PDF document text
- http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085860dc7d7c---70293788741.pdfIn PDF document text
- https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/9881ca481944c323a968284b5ba53044/16991228829.pdfIn PDF document text
- https://syntellect.ru/Repository/file/76590011635.pdfIn PDF document text
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b00a6c12d6c---25703048195.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a3a24a2cbc5---99260470682.pdfIn PDF document text
- http://geose.ru/userfiles/file/17861865887.pdfIn PDF document text
- https://medgarlci.com/wp-content/plugins/super-forms/uploads/php/files/f73e73f2d08747ed4b9188ebbe6a6dec/11914610895.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=how+to+draw+simple+zentangle+patternsPDF 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://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_off0000da9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA9C | 5384 bytes |
SHA-256: 4e3fb39153fe976d449351baf4fcab44ffe3d825a8fd9c8263a881ee397d386d |
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font_01_sfnt_off0000ece4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECE4 | 9840 bytes |
SHA-256: 077ad112309d3cd4c16b4c9ed806c840fbdfc44e9fd9e87d7450022e24466628 |
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