MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to potentially compromised or disposable hosting. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM firings strongly suggests the document's purpose is to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9909
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://sk4education.com/ckfinder/userfiles/files/kujosolivuditexugulotil.pdf
- http://ticketsperiodico.com/galeria/files/sarelido.pdf
- http://fsf-vastroad.com/userfiles/file/sivimaweliv.pdf
- https://lose-weight.tw/upload/files/tilurunijaw.pdf
- http://mondoacquapiscine.com/userfiles/files/51158959035.pdf
- http://garant-fond.ru/ckeditor/ckfinder/userfiles/Images/files/40239109401.pdf
- http://trufeel.com/ckeditor/ckfinder/uploadfile/files/dogilegun.pdf
- http://theorientgarden.iorderfoods.com/uploads/files/24644012029.pdf
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/161441ef713710---63791134592.pdf
- http://qianshunqs.com/admin/upload/doromewewubepar.pdf
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/00d8a6d35d04e08205f13183cfe37033/sadefunajixosokir.pdf
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/161444266a8c78.pdf
- http://rollfactorytogo.com/uploads/files/voxesiko.pdf
- https://verandapattaya.com/userfiles/files/nubokufenukisenumive.pdf
- http://hightopeducation.com/cms_uploaded/file/giruvo.pdf
- http://ct-tci.com/cttax/userfiles/files/68835522840.pdf
- https://www.cosanuesa.com/componentes/editor/ckfinder/userfiles/files/pudufepeliborabedekerudot.pdf
- http://mdbim.pl/ubezpiecz/obrazy/file/635367560.pdf
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16135e7f0bc991---lojufodipexi.pdf
- http://mansiya.com/uploadfile/files/pumepilakimefekimad.pdf
- http://leeclinic.kr/userData/board/file/145874093.pdf
- http://german-ex.com/images/blog/file/1416589178.pdf
- http://tverzhilservis.ru/foktver.ru/ckfinder/userfiles/files/14403372536.pdf
- https://cursosadistanciayonline.com/medios/files/jigimujo.pdf
- http://www.mustwalge.ee/data/content/files/30483831229.pdf
- https://soudurelausiere.ca/upload/editor/file/68988844770.pdf
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/161394eb9b4a05---tilebufitux.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=gta+5+android+data+obb
- 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_off0000b85e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB85E | 16792 bytes |
font_01_sfnt_off0000d075.bin37567d851e4fc4596f2679a9ec27c6f6bdd10373de7a1956918a43b897b04ef7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD075 | 10208 bytes |
font_02_sfnt_off0000e77c.bin61a7f814da253a30d2efe0040ab169b2e06dccfae6093e7de2a29cc8663dbeda |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE77C | 15864 bytes |
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