MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many of which appear to be hosted on compromised WordPress sites or disposable domains, suggesting a link farm designed to redirect users. The presence of these links indicates an attempt to direct users to malicious content, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://catamma.ru/uplcv?utm_term=papiroflexia+pdf+gratis PDF link annotation
- http://sameiroeventos.pt/ficheiros/penixuborowopepakojidig.pdfIn PDF document text
- http://www.liveartsaskatchewan.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613056f91cf76---99351492989.pdfIn PDF document text
- http://thermcom.cz/userfiles/file/mapisejevonifukoluvinuz.pdfIn PDF document text
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613528562ca88---vudeziwamawawega.pdfIn PDF document text
- http://abwmarlboropike.com/uploads/files/zokelipodamajitozux.pdfIn PDF document text
- http://gzbaosui.com/uploadfile/files/4194633159.pdfIn PDF document text
- https://rosanaalvarracin.com/userfiles/file/wipevolasulidutog.pdfIn PDF document text
- http://m-camper.ru/ckfinder/userfiles/files/tebowinalunuxe.pdfIn PDF document text
- https://hongming-eco.com/userfiles/file/7969790924.pdfIn PDF document text
- http://studiorinaldibedin.eu/userfiles/files/lexaku.pdfIn PDF document text
- http://fatamorgana.fr/uploads/assets/file/gusakutowijuputo.pdfIn PDF document text
- http://vedepcuaem.com/luutru/files/tonifobametipixakemuzifum.pdfIn PDF document text
- http://vietnam-intraco.com/webroot/img/files/72384873507.pdfIn PDF document text
- http://adacu.org/userfiles/file/20210906160923.pdfIn PDF document text
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/1613c97f395e5b---87445208948.pdfIn PDF document text
- http://michardardillier.com/ckfinder/userfiles/files/guwasap.pdfIn PDF document text
- http://heimundsicherheit.de/userfiles/file/tixemumolapanep.pdfIn PDF document text
- https://seikai.jp/free_images/files/87334718720.pdfIn PDF document text
- https://kfmaccounting.com/webroot/img/content/files/32089867793.pdfIn PDF document text
- http://leebyunghun.kr/new/upload/board/files/91648496178.pdfIn PDF document text
- https://booknowrentalimo.ch/userfiles/files/tovuputimelujenumus.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_off0000d446.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD446 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ec5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC5D | 10672 bytes |
SHA-256: 00518421eec8353e1bd60c5c74ced993fc0d324cece16e741b32ebf291c410c9 |
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font_02_sfnt_off000104c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104C3 | 20004 bytes |
SHA-256: 3d0b206b86150c847c4f199660cd7f5dc80a060ef1b43f917dfd29ba307d1a43 |
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