MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document contains a link farm pointing to compromised WordPress upload storage and other disposable hosting, suggesting it's used for phishing or malware distribution. The embedded URLs, such as 'https://crysiq.ru/uplcv?utm_term=zenonia+3+free+download', are likely part of a lure to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://crysiq.ru/uplcv?utm_term=zenonia+3+free+download PDF link annotation
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614143e303a5a---8101920297.pdfIn PDF document text
- http://primaria-ciocirlia.ro/media/file/zuput.pdfIn PDF document text
- http://www.gleason.com.au/application/third_party/ckfinder/userfiles/files/segevadunexumutut.pdfIn PDF document text
- https://expomediainc.com/upload/file/mivekunem.pdfIn PDF document text
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141ac7db13d8---16243241544.pdfIn PDF document text
- https://bepcongnghiepphuchung.vn/userfiles/file/23417764867.pdfIn PDF document text
- https://nslogisticservice.com/userfiles/files/jisobavejijujivefosifuxej.pdfIn PDF document text
- https://llbyggodesign.se/UserFiles/files/sosepimogisikurezetep.pdfIn PDF document text
- http://s-pack.kr/userfiles/file/20210910141334.pdfIn PDF document text
- http://urparitet.ru/admin/ckfinder/userfiles/files/laresuxajeregefu.pdfIn PDF document text
- http://paddockj.com/user_data/editor/ckfinder/core/connector/php/upload/files/71229370408.pdfIn PDF document text
- https://hnhaa.com/userfiles/tnejp/files/70684307174.pdfIn PDF document text
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1613f0414cb8f6---fatetezupare.pdfIn PDF document text
- http://mopi.eu/ckfinder/userfiles/files/21225828041.pdfIn PDF document text
- http://vuatoyen.com/uploads/userfiles/file/16707748631.pdfIn PDF document text
- http://agarimo.com/archivos/archivos/bizepovarafadirezuza.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16140c85ecaa9c---34548983835.pdfIn PDF document text
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e4648430a7---mabaxejurikiza.pdfIn PDF document text
- http://honmamon-s.com/img_seminar/userfiles/file/6549155594.pdfIn PDF document text
- http://deauville.ru/files/file/10776357494.pdfIn PDF document text
- https://siroyensao.com/upload/files/21870097801.pdfIn 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_off0000d7df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7DF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eff6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFF6 | 10304 bytes |
SHA-256: 8a9ee80ef34a071f73c966ecf67cb43d3bcebb8912c6086961450209a0894ae1 |
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font_02_sfnt_off00010758.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10758 | 16596 bytes |
SHA-256: 25c355b3801a6f0bcc652bd7feb7072fc25de8e388ffaecc3d170a9ff215b4d0 |
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