MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document containing embedded JavaScript, which is often used to initiate malicious actions. It also features a large number of external links, many of which point to compromised WordPress sites, indicating a potential link farm or redirection scheme designed to lead users to malicious content. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://amadpich.com/userfiles/file/tazifeferufovezuf.pdf
- https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/160aa09673720b---titozaludasururafibes.pdf
- https://pikhospital.com/ck_uploads/uploads/files/84462861259.pdf
- https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/16e4ea61ebed7902a00cdeb1377fbade/sufawurixoxabetuguja.pdf
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c918e607a6b---kumasibesagalokunofutikef.pdf
- http://alarmy-kamery24.pl/userfiles/file/6743442286.pdf
- http://debsluxe.com/clients/1/17/174397649ed9f07baa8f9d9f48c72a4d/File/fisavemajixuxukodu.pdf
- https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/nitroiqkhfa47legce8rnmc367/65904055308.pdf
- https://xn--80aaa1arbfjoe3bzh.xn--p1ai/data/files/wotusojexasexovupegu.pdf
- http://doo-san.com/userfiles/file/20210618034224.pdf
- http://zonweringbelgie.eu/ckfinder/userfiles/files/gulumut.pdf
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1609253b934ba3---22007164671.pdf
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160beed7b24176---38287726944.pdf
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/160779c2ab42c4---36914480309.pdf
- http://ibb-online.ru/f/file/45595329485.pdf
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/e9faa0e5720152c9992c6de874f3c446/mezibeludemupolekija.pdf
- http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e1916fd8f25---89853013438.pdf
- http://whewfamily.com/clients/12004/File/fuxujofosekakanirafel.pdf
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bac8925f082---47123675946.pdf
- http://savaksangida.com/resimler/files/38122871729.pdf
- http://grandrosso.com/js/upload/files/dapedoketavipi.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=what+kind+of+soil+does+a+peace+lily+need
- 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_off0001026f.binf10093e8e3ceb53c83d87c55a66e74f06b12b78cb59ece80132f3a901f75b8f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1026F | 10816 bytes |
font_01_sfnt_off00011b5d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B5D | 16792 bytes |
font_02_sfnt_off0001336f.bin659695a1868ac917406e297e62603696d8504d552da41f1fd17772638adf42ca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1336F | 16392 bytes |
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