MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised CMS uploads and disposable hosting. This pattern is commonly used to distribute phishing pages or further malware stages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://koreadramatour.com/FileData/ckfinder/files/20210728_A1B33709666B1BCA.pdf
- http://siembra.me/uploads/files/vetaburox.pdf
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/4142b62e9bb156155e5f254e162e0542/fuboj.pdf
- http://assessmentinsight.com/ckfinder/userfiles/files/saminuv.pdf
- https://medosojewellery.com/userfiles/files/17126636498.pdf
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/esfju0kiukmmep1c6h73b1dgn3/lopebezojavijuxanejategu.pdf
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/99d9ed8704d3cab90d306ecb2b5910cc/vedexafilebariravilexiwi.pdf
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/985de48e59d8a446a1ef83af37ce1345/fowobivafimoz.pdf
- http://montpellier-businessplan.com/mbp/upload/images/images/upload/ckfinder/23682650228.pdf
- http://thermogroup.ru/uploads/files/8909071194.pdf
- https://cakesandcupcakes.net/userfiles/files/8907105713.pdf
- https://rdw-wolf.de/backend/ckfinder/userfiles/files/vuxupakuk.pdf
- https://aimtronu.org/userfiles/file/mobevajazidadatos.pdf
- http://xn--80affcyoc0ac1f6a.xn--p1ai/admin/modules/ckeditor/ckfinder/userfiles/files/vosezalunilizivati.pdf
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080be7ba1a55---26819172451.pdf
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077fec28dc7d---68460299601.pdf
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098bc2829f3a---65293151050.pdf
- http://mywymc.com/userfiles/file/megubokitaxikuduziseletom.pdf
- http://associatedreclaimed.com/userfiles/files/valijokipevimajapa.pdf
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/160888f4ed9a25---porutekujuzaxuv.pdf
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160b3c1eb62a85---63148957784.pdf
- https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/1607076d49f962---zapadamibaluxubiveduxuku.pdf
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1608dd3245537b---88299513678.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=what+is+axiology+in+philosophy+pdf
- 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_off00010144.bin67c5f3c37724a1eb343e1d2f533e200ffcfdd0d66919dc31eaa4931741887b02 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10144 | 10752 bytes |
font_01_sfnt_off000119c1.bine55ee0d377b822f1fc0e891bcc4340a71f19c39d9c677d789bc6d93b4a564da1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119C1 | 18660 bytes |
font_02_sfnt_off000149f1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x149F1 | 16792 bytes |
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