MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, indicative of a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery. No scripts were extracted, but the structure and URL patterns are consistent with a malicious document designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://selispin.com/calisma2/files/uploads/nokijosu.pdf In PDF document text
- https://mfdesign.hu/files/file/25339119978.pdfIn PDF document text
- https://happycondo.leaddeehub.com/userfiles/files/lirenulutokovagazedi.pdfIn PDF document text
- http://aid-calais.com/userfiles/file/bofufopabugarep.pdfIn PDF document text
- http://chamdure.com/DATA/files/93606723914.pdfIn PDF document text
- http://bsa-billiard.by/images_from_html_editor/file/lagosolapaxojowumo.pdfIn PDF document text
- http://2222.netsociality.com/upload/files/savolunetutej.pdfIn PDF document text
- http://livelyway.com/ckfinder/userfiles/files/vuzavo.pdfIn PDF document text
- https://bharatiyabhashaparishad.org/ckfinder/userfiles/files/52041557905.pdfIn PDF document text
- http://webinaris.training/ckfinder/userfiles/publics/files/fobelakoboferamomuwuzefel.pdfIn PDF document text
- http://studiodrago.eu/userfiles/files/15364943147.pdfIn PDF document text
- http://servmed.net/userfiles/file/10589893078.pdfIn PDF document text
- http://bilcafe.it/userfiles/file/58156860679.pdfIn PDF document text
- https://bdprescription.com/ci/userfiles/files/kipagiseg.pdfIn PDF document text
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/01546ed26312b9fee8cab11f31e7e819/vitimo.pdfIn PDF document text
- http://tunecharts.com/userfiles/file/53231728072.pdfIn PDF document text
- https://kisikana.hr/UserFiles/files/rokopozamizenefamof.pdfIn PDF document text
- http://eko-uklid.com/files/file/fiwaxajexunuleva.pdfIn PDF document text
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613249e0f04d3---ludipebinefaxenazate.pdfIn PDF document text
- http://cambresisemploi.fr/ckfinder/userfiles/files/24817084095.pdfIn PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/d92c37d031b9d238e10b31c4d89b6f50/jenujapakakevunajen.pdfIn PDF document text
- http://peak-experience-europe.com/images/blog/file/kitisirazofibe.pdfIn PDF document text
- https://autopsrus.com/ckfinder/userfiles/files/32859720642.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=cube+call+recorder+acr+app+downloadPDF 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_off0000e1da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1DA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f9ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9EC | 17200 bytes |
SHA-256: 83748d6a28f9f99a2d4573799f2636562bb04c07d5212f56d6ec87da1d07bb7d |
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font_02_sfnt_off000126c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126C2 | 10504 bytes |
SHA-256: c2f06339e8a2d7b7e5acc73d6665cdee3c99fe59b41952dfe941aba17626474d |
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