MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous external links, many hosted on compromised CMS platforms, suggesting a link farm designed to redirect users to malicious sites. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/3706257bd8cb949145fbad1e47e06efa/nerezaxekeg.pdf In PDF document text
- http://adhdesign.de/userContent/files/20210704060817-wozononosowukasatedon.pdfIn PDF document text
- http://mbcasc.net/imgs/file/jemopikololosirubo.pdfIn PDF document text
- https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/160830fc8785df---magupobugujireb.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160718cd49a291---54430820560.pdfIn PDF document text
- https://pet-fashion.ro/mm/file/8778391308.pdfIn PDF document text
- http://pokorny-podlahy.cz/UserFiles/File/88438098857.pdfIn PDF document text
- http://adams-gold.ru/archive/image/file/71515664948.pdfIn PDF document text
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088584d6e78d---raratepedidotisevujema.pdfIn PDF document text
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160927c1651ddc---74936061519.pdfIn PDF document text
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb69153a383---novolir.pdfIn PDF document text
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8c1587c4b5---17127545568.pdfIn PDF document text
- https://maggies-handmade.com/UserFiles/files/noroginixofejukukagorof.pdfIn PDF document text
- https://asiajitu.com/contents//files/dewawugakazanat.pdfIn PDF document text
- https://bisnismedsos.com/userfiles/file/vipuretetejovid.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608203163de2e---78285351939.pdfIn PDF document text
- http://starcity-vinhomes.vn/app/webroot/img/files/ziwazisutovunarapa.pdfIn PDF document text
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/888b758a905bfb196dce1527203d8ed0/tetutatexaviloxemitodem.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b499cd2addc---57398522117.pdfIn PDF document text
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b666bb9309a---wesavawuparitejon.pdfIn PDF document text
- https://www.mds-horizons.com/upload/files/61310058191.pdfIn PDF document text
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/6hv6i6p9rmrhh7d0shhqfbs40k/vuxit.pdfIn PDF document text
- https://elpmarketing.ca/wp-content/plugins/super-forms/uploads/php/files/c78fe94cc44de88e391c02f4c228c33e/18381354112.pdfIn PDF document text
- https://fonixkoncert.hu/upload/file/39343834424.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=fce+practice+tests+downloadPDF 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_off0000bb5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB5D | 10572 bytes |
SHA-256: 1ba5c1899cdf4f44b7984298a95185d68942a97e7f9c53406ed8c547b5eba54d |
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font_01_sfnt_off0000d3a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3A6 | 15944 bytes |
SHA-256: 09182e6d564426acc933e14db9bf9fe8904656764307e86d3b9b20a6f8a425b1 |
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font_02_sfnt_off0000fcdb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCDB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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