MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, distributing numerous URLs across various hosting platforms, including compromised CMS uploads and disposable domains. The embedded URLs are designed to lure users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://www.poliklinika-hb.cz/userfiles/file/37475093165.pdf In PDF document text
- http://konditsionery-reutov.ru/upload_picture/file/ruradel.pdfIn PDF document text
- http://hud101.vn/webroot/img/posts/files/63730479995.pdfIn PDF document text
- http://jjkxmy.com/upload/files/202109191101117618.pdfIn PDF document text
- https://mintowncoffee.net/uploads/images/files/bomuvakawilozesefupalo.pdfIn PDF document text
- https://flims.atelierleuthold.ch/userfiles/files/bigezemomukeradubija.pdfIn PDF document text
- http://cobe-ing.it/userfiles/files/68300125257.pdfIn PDF document text
- http://cp-1.ru/userfiles/files/jigirovukadifak.pdfIn PDF document text
- http://spartaksedlec.cz/spartaksedlec/userfiles/file/juvazemasavoxod.pdfIn PDF document text
- https://acconpriti.com/ckfinder/userfiles/files/20308776417.pdfIn PDF document text
- https://cakenflowersonline.com/userfiles/file/tiwejor.pdfIn PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16133625424147---ravapiwiwaguwosego.pdfIn PDF document text
- http://old.arcnet.org.tw/ckfinder/userfiles/files/93449998121.pdfIn PDF document text
- https://am-system.eu/ckfinder/userfiles/files/femofosipijo.pdfIn PDF document text
- https://uzunlarpeynir.com/dursun/upload/files/44108971688.pdfIn PDF document text
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134527c02288---27029118621.pdfIn PDF document text
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/70e910a3cef7fc9415b913b2f8bbf113/nisipufejamivuxo.pdfIn PDF document text
- http://arcenevents.nl/site/upload/files/zunelosufimajinifomela.pdfIn PDF document text
- https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613b57ea846bb---90496333156.pdfIn PDF document text
- http://sportingfoundation.com/uploads/file/zufejivusuvetowav.pdfIn PDF document text
- https://sportsht.com/userfiles/file/69823781717.pdfIn PDF document text
- http://markaz-e-durood.com/EditorImages/file/fedukax.pdfIn PDF document text
- http://moscowfashion.net/content/xuploadimages/file/77741376948.pdfIn PDF document text
- http://saatgaamkansarasamaj.com/admin/uploads/files/93512317762.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=android+browser+with+extension+supportPDF 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_off0000ef3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF3F | 10688 bytes |
SHA-256: afb39fa51888721bb21ce2f454c1525c35e3e7d221bb22e31ad53835f0a14171 |
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font_01_sfnt_off00010796.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10796 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011fa8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FA8 | 18392 bytes |
SHA-256: 439f0bf2817c35a96a3e16f07cff72e4a6319054b4d6deb63213f556199fa282 |
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