MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to websites hosted on compromised CMS platforms or disposable hosting, indicating a link farm designed to lure users to potentially malicious sites. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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 https://chcial.ru/uplcv?utm_term=the+martian+yify PDF link annotation
- http://soft-pro.hr/upload/datoteke/23471766066.pdfIn PDF document text
- http://papaicountrylodge-longstay.com/user_img/files/90133704830.pdfIn PDF document text
- http://buyyoutubelikes.com/ci/userfiles/files/gepifexefod.pdfIn PDF document text
- http://tasarimak.com/ckfinder/userfiles/files/jorepo.pdfIn PDF document text
- http://sowa-architekci.pl/userfiles/files/4768485651.pdfIn PDF document text
- http://cuacuonbinhduong.com/upload/files/fubalubegufimu.pdfIn PDF document text
- http://yearbookplus.com/uploads/ckfinder/files/tojatami.pdfIn PDF document text
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1613befb4619a9---67216895910.pdfIn PDF document text
- http://tsuiteru66.com/userfiles/file/bizatelokegosonubapegaxov.pdfIn PDF document text
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139e72fce834---tixatunegodip.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614378c7e0130---16909982347.pdfIn PDF document text
- https://aldwalia.com/userfiles/files/taribosom.pdfIn PDF document text
- http://zawodydrwali.pl/app/webroot/userfiles/file/xovipawezoliz.pdfIn PDF document text
- https://actionsporting.com/userfiles/files/fesolodolenobatavux.pdfIn PDF document text
- http://woori-tour.kr/FileData/ckfinder/files/20210906_DCC1B63305C49A58.pdfIn PDF document text
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613ced544c58e---46761349337.pdfIn PDF document text
- https://afritransport.com/app/webroot/files/file/31740982453.pdfIn PDF document text
- https://gamepinleri.com/calisma2/files/uploads/zubatedirujefogazom.pdfIn PDF document text
- http://paddockj.com/user_data/editor/ckfinder/core/connector/php/upload/files/kokifowiwelu.pdfIn PDF document text
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613fefe0cd2f2---58690200195.pdfIn PDF document text
- http://centronegozi.com/public/jexolemilorukefafirebel.pdfIn PDF document text
- https://renhedc.com/uploads/files/202109190110229996.pdfIn PDF document text
- https://12shio4.com/contents/files/71060580165.pdfIn PDF document text
- http://bytlly.com/16xZZWIn PDF document text
- 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_off0000b19c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB19C | 15064 bytes |
SHA-256: 0ea6f3152c6a1e06049efee5e0498320f25ecfa2075385b6f12512a55c5c1894 |
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font_01_sfnt_off0000d815.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD815 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f02c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF02C | 10220 bytes |
SHA-256: 0d28d01cee65903b1b020cd7c7bc01f965dad2a70842b04ddb9f35041b367e09 |
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