MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous embedded URLs, many of which point to compromised CMS uploads or are part of a link farm hosted on disposable domains. The primary purpose appears to be directing users to potentially malicious or phishing content through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://ventima.ru/userfiles/file/velisivube.pdf In PDF document text
- https://dodatkireklamowe.pl/web/uploads/files/53341083835.pdfIn PDF document text
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/161224860eb4bc---61625645660.pdfIn PDF document text
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/160766e00ebfd7---fivetivizogive.pdfIn PDF document text
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/1608e3a84386b2---15732465144.pdfIn PDF document text
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085485972e29---87829248063.pdfIn PDF document text
- http://lungshingcentre.com/userfiles/jemizojubufutakabisade.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608f13861c8ed---88359969129.pdfIn PDF document text
- http://www.macrolepidoptera.hu/userfiles/files/wuradugojojisew.pdfIn PDF document text
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/e96ac2124a28b91d3e677c93d22b399b/lewarimewiwodupo.pdfIn PDF document text
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/vtjionodkaldh21rafuk6vpblp/86218485690.pdfIn PDF document text
- https://editora-arara-azul.com.br/site/admin/ckfinder/userfiles/files/24017606927.pdfIn PDF document text
- https://tims.ro/ckfinder/userfiles/files/besubemapawezujopalurib.pdfIn PDF document text
- http://hoshitorionline.com/uploads/files/17252815258.pdfIn PDF document text
- https://stehovani-ostrava.cz/static_pages_files/file/83315319128.pdfIn PDF document text
- http://ural-kip.ru/admin/ckfinder/userfiles/files/24093477656.pdfIn PDF document text
- http://alexandraharris.com/clients/36054/File/zusudejatufopevezejupegep.pdfIn PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161328d670a449---71894659943.pdfIn PDF document text
- http://okmarin.ru/userfiles/file/2742761716.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=estadistica+para+administracion+y+economia+anderson+11+edicion+pdfPDF 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_off0000c92d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC92D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e144.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE144 | 10884 bytes |
SHA-256: 43d350ada1efda8faa1bcde554e5a1c2c45a53489dc3f228b6a662a3335337ab |
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font_02_sfnt_off0000fa7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA7F | 19668 bytes |
SHA-256: 69d2208a4361aa9df3197da5bba6e2f4c09d98fdb3c5d138c7a90e6641b2a79a |
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