MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised WordPress sites, suggesting it functions as a link farm. One URL, 'https://ketchas.ru/uplcv?utm_term=how+to+root+galaxy+tab+s4', appears to be a lure for potentially sensitive information. The file's structure and content align with phishing or malware distribution tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://ketchas.ru/uplcv?utm_term=how+to+root+galaxy+tab+s4 PDF link annotation
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613ba0d039019---gejunolefi.pdfIn PDF document text
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16130d73a2b498---18122654846.pdfIn PDF document text
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/e04f1053a66618776d0e64904a217246/14369007664.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/16130124e7b5ee---zivuwezenesator.pdfIn PDF document text
- http://baheth24aqari.com/ckfinder/userfiles/files/59659133174.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613612a6293cc---44498432526.pdfIn PDF document text
- http://marcus-1.com/FileData/ckfinder/files/20210903_0CFB384C9BB4EABD.pdfIn PDF document text
- http://hitecds.com/userfiles/file/52297813031.pdfIn PDF document text
- http://topbondtape.com/uploadss/file/49832802522.pdfIn PDF document text
- http://massintech.ru/img/outer/files/82163948403.pdfIn PDF document text
- https://matricula.arendic.cl/files/12157115501.pdfIn PDF document text
- http://assisdrive.pt/userfiles/file/mokijifodofedoma.pdfIn PDF document text
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613542a461459---10699745752.pdfIn PDF document text
- https://beysukonaklari.com/ckfinder/userfiles/files/23344159487.pdfIn PDF document text
- https://rusepress.com/uploads/wysiwyg/files/98560408935.pdfIn PDF document text
- http://ndc-group.ru/uploads/files/topegixuwogazu.pdfIn PDF document text
- http://skkl.cn/filespath/files/20210912041108.pdfIn PDF document text
- http://paradisoseminatrici.it/userfiles/files/59881241729.pdfIn PDF document text
- https://ckmusicdesign.nl/userfiles/file/47574315403.pdfIn PDF document text
- http://galerie45.com/userfiles/file/89678259437.pdfIn PDF document text
- http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/zovemegusomifedewi.pdfIn PDF document text
- http://ueros.fr/admin/ckfinder/userfiles/files/navezosilezovalir.pdfIn PDF document text
- http://eldorautomaticgates.com/UserFiles/file/xexizodagijamezitigik.pdfIn PDF document text
- http://jatyn.cn/upfiles/202109/file/1631106843.pdfIn PDF document text
- https://censcakmu.org/board/file/files/32056960266.pdfIn PDF document text
- https://tecnicadovolante.com/images/file/83555837196.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_off0000c55c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC55C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dd6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD6E | 17900 bytes |
SHA-256: b106eb1ae830467a68e8b4adcdac01372361eb78d18707ebd7e8dc8ccdaa33f4 |
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font_02_sfnt_off00010bff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BFF | 10464 bytes |
SHA-256: c7ac06dface96fd051db20fc92097aa9f1f2a2d2dfd2087d69ebea5a26b2196c |
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