MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a link farm designed to redirect users. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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 http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/53ffd30d8bc93a5d80756106966e6e6d/famuzupuzijavuso.pdf In PDF document text
- http://simonkuehner.de/gfx/userfiles/files/mafunalajaga.pdfIn PDF document text
- http://samtekelektrik.com/files/97467573180.pdfIn PDF document text
- http://putzlappenborner.at/editor_up/lupupugesikokofejigude.pdfIn PDF document text
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/8b1dfdaa4aeb65ee26bc1a40fd62abac/zozom.pdfIn PDF document text
- http://print-printonline.com/ckfinder/userfiles/files/86110639684.pdfIn PDF document text
- https://planet-pvc.com/upload/files/21589129197.pdfIn PDF document text
- http://mp-journal.com/media/file/buluwupew.pdfIn PDF document text
- http://www.2m-france.com/img/uploaded/file/57790536959.pdfIn PDF document text
- http://erh-hu.com/userfiles/file/88818996863.pdfIn PDF document text
- http://geometrarontani.it/userfiles/files/97580608023.pdfIn PDF document text
- http://zzzwchem.com/upload/files/zugodoxigezozomixijagav.pdfIn PDF document text
- http://www.propper-droppers.nl/files/file/legomukufor.pdfIn PDF document text
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1615820a5a7e31---20816453213.pdfIn PDF document text
- https://mirrorlink.com/public/files/files/pokadidorogetin.pdfIn PDF document text
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613e6fc536c0b---lakikudelu.pdfIn PDF document text
- https://itracmediav5.com/ckfinder/userfiles/files/95570114482.pdfIn PDF document text
- http://eventologia.com/userfiles/files/bibivas.pdfIn PDF document text
- http://laiyi-art.com/userfiles/file/97618336821.pdfIn PDF document text
- http://europavloeren.nl/siteimages/file/dawazewotinobu.pdfIn PDF document text
- http://xinshifm.com/userfiles/file/78649595528.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=conditional+probability+in+rPDF link annotation
- 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_off0000c6f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6F8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000df0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF0F | 10372 bytes |
SHA-256: 429715f76c208fc590414f9c444f90d9704c20f8dcad574201b291a4edcb23a7 |
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font_02_sfnt_off0000f655.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF655 | 18076 bytes |
SHA-256: 816e4723612b8a28ab3bb23a1e1a96ec9fbea2dfbc8a41578bbb8e6e87975fd6 |
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