MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by ML classifiers and ClamAV as malicious. It contains numerous external URLs, many pointing to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt, likely initiated via spearphishing.
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 https://garglob.ru/uplcv?utm_term=louis+pasteur+pdf PDF link annotation
- http://olgapolyakova.com/files/files/jodukibepupuboki.pdfIn PDF document text
- http://npi-management.org/ressource/site-image/files/96049678240.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/f36f0b9d2271723966cc295f195b87ca/zubira.pdfIn PDF document text
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131b5e01638d---pikidonezexomarutuvetu.pdfIn PDF document text
- https://oreopay57.com/ckfinder/userfiles/files/jeguralurazikuxisav.pdfIn PDF document text
- http://wish-pharma.com/upload/files/1540578077.pdfIn PDF document text
- http://ourpreferred.com/userfiles/files/redufojimi.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/161315bb04c1c9---95311808170.pdfIn PDF document text
- https://duvanco.be/docs/files/29341242587.pdfIn PDF document text
- http://someteme.com/archivos/_20210905132153.pdfIn PDF document text
- http://leylatoprak.com/userfiles/file/girojexunefuwip.pdfIn PDF document text
- https://liftsystems.ro/LiftFiles/file/rurazafir.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161341ee6cbdd9---30494256378.pdfIn PDF document text
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/16136be1a07664---zijapolo.pdfIn PDF document text
- https://highlander-inn.com/assets/userfiles/files/xewumivowekeranupedotab.pdfIn PDF document text
- https://karolinanowak.com/userfiles/file/vifijanobesovetiwuxudi.pdfIn PDF document text
- http://chip-chup.hu/upload/file/kivebegiralovevixebexumup.pdfIn PDF document text
- https://euroroma-bg.org/files/file/38220288492.pdfIn PDF document text
- http://yournamebadges.com/withyourdog/cms_uploads/file/rawebesa.pdfIn PDF document text
- http://co-wemart.com/careeruserfiles/file/58756547309.pdfIn PDF document text
- http://craft-personal.de/userfiles/file/fuvumuwifirubitowa.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_off0000daae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAAE | 22772 bytes |
SHA-256: dd0948e9d349c08d84546d6cbe9964103893e91a49e1e2c12f6ca628927a4e7e |
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font_01_sfnt_off000113db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113DB | 10400 bytes |
SHA-256: 06ab8ff86ccf9fb9bc4382c62bc01fe5a7a36a3b589a91f26423022cecaa03ea |
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font_02_sfnt_off00012b97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B97 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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