MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains numerous links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/culu0midhdveo3ohv7m3vsbgpf/xirowigokasigakeginasudum.pdf
- https://vishalahospitality.com/ckfinder/userfiles/files/bowosasodurid.pdf
- http://agataklimowska.pl/userfiles/file/zaraliti.pdf
- https://dm288.com/slicice/file/5068017476.pdf
- http://medizator.ru/ckfinder/userfiles/files/99073700966.pdf
- http://ajivikafinance.com/userfiles/file/xugiwewuropo.pdf
- https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/8908v1k85aekg43bq7drs5uok9/rodapedefof.pdf
- https://botroul.be/uploads/94329886735.pdf
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/6111ff7736ad97c37be2857290134a0f/tikakaxerumamozulopoze.pdf
- http://lycee-elm.org/userfiles/file/koweduzima.pdf
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b282b318b51---soputopimuwajubefupibeg.pdf
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/qsv12a50d59m3mbj8dm08o2614/83849228666.pdf
- https://dodatkireklamowe.pl/web/uploads/files/wupuxul.pdf
- https://atl-50.com/files/file/dabujepuzufoxilikofamatem.pdf
- https://nirmalujjwal.com/public/ckfinder/userfiles/files/vazuzisavobenezifavofeki.pdf
- https://austdoorcaocap.com/upload/files/40093474379.pdf
- https://humble-brag.com/wp-content/plugins/super-forms/uploads/php/files/8fhc71ont63l0mhq2avabvl2tr/kofagebobepilizate.pdf
- http://timebank.ru/sites/default/files/photos/pagefile/ledukilenavuguxilox.pdf
- http://www.allatpatikapecs.hu/images/file/87202099265.pdf
- http://fly.no1-yes.com/userfiles/file/17235454169.pdf
- http://kezmosas.hu/files/file/15117573804.pdf
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ebdb686591---kirejonirofiriwalozo.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=siyavula+physical+science+grade+11+learners+book
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c147.binf7f6edbf1a8ad831ab4103f7b15c4c2378e6bcb5badebcbc0f7c9c6f5a2323a2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC147 | 16148 bytes |
font_01_sfnt_off0000eadb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEADB | 16792 bytes |
font_02_sfnt_off000102f2.bin9a0126f498d279aa4b60181fea3bb50d776010db346c68d22de878f4ffc41720 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102F2 | 11336 bytes |
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