MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs pointing to various domains, many of which appear to be disposable or compromised hosting. The 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics indicate a pattern of using these links for potentially malicious purposes, such as phishing or distributing further malware. ClamAV also detected this file as 'Pdf.Phishing.Trojan'.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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 https://coretry.ru/uplcv?utm_term=periodic+table+modern+pdf PDF link annotation
- https://coastalholidayproperty.com/ckfinder/userfiles/files/fonaf.pdfIn PDF document text
- https://perkunasstudio.com/uploads/files/202109051254594853.pdfIn PDF document text
- https://dm288.rs/slicice/file/segujaloralosozodakokuve.pdfIn PDF document text
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e340c33b8e---57335017190.pdfIn PDF document text
- http://taxilitomerice.cz/ckfinder/userfiles/files/wiwonadibaxomasegadu.pdfIn PDF document text
- https://przygodanaukrainie.pl/admin/ckfinder/userfiles/files/54820120542.pdfIn PDF document text
- http://duszek-lasu.pl/userfiles/file/midagevamijewufijomuv.pdfIn PDF document text
- http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/16146ff92aa630---zivedixadijemubux.pdfIn PDF document text
- https://pmapmc.com/userfiles/image/files/56848904506.pdfIn PDF document text
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/2f3437ee3965fe832d510df910db8d7d/78447603185.pdfIn PDF document text
- http://www.deep2001.com/images/library/File/55178659485.pdfIn PDF document text
- https://photopoligrafic.ru/ckfinder/userfiles/files/mowuguxedumerubon.pdfIn PDF document text
- https://hamzsabegi60szallo.hu/UserFiles/File/kuxumigomidojabixajezuzi.pdfIn PDF document text
- http://energcomb.net/cms_enercomb/sgi_userfiles/userfiles/files/96533599609.pdfIn PDF document text
- http://chinasoftcore.com/userfiles/file///memituxuxe.pdfIn PDF document text
- http://www.s4b.nl/upload/files/69236385030.pdfIn PDF document text
- https://advantage.ee/media/contents/file/jaletadomuribeg.pdfIn PDF document text
- http://laiyi-art.com/userfiles/file/23393092746.pdfIn PDF document text
- http://resurrection-life.net/userfiles/files/peradolapawosazalejep.pdfIn PDF document text
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/16140ef16188c4---19524504258.pdfIn PDF document text
- http://sbriz.ru/userfiles/file/6622891104.pdfIn PDF document text
- http://pb-book.com/user_file/file/39929010018.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_off0000d2aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2AA | 10752 bytes |
SHA-256: 527d0318addeb267f523f4138a4494880d60682b124b8c5f000e25c7a237f1e7 |
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font_01_sfnt_off0000eb13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB13 | 17784 bytes |
SHA-256: d62b7c4a654a50e4951f39c8d51be08c6d7491fdc196f9ede66471d6904502a6 |
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font_02_sfnt_off00011935.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11935 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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