MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the overall structure indicate an attempt to distribute malware or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://crysiq.ru/uplcv?utm_term=quentin+tarantino+in+once+upon+a+time+in+hollywood
- http://agarimo.com/archivos/archivos/mavomogoturegaxabemode.pdf
- http://dragoniresorts.com/userfiles/kibozowizoziliv.pdf
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/b0d7ed89dba1827176384a327c4f9d9a/62813383014.pdf
- http://absolutelyneon.com/userfiles/file/kiweradofodajitarusesuko.pdf
- http://business-plan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/gokefexuburafegilege.pdf
- https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/160aa7f5591668---24384609002.pdf
- https://qualitymattressfactory.com/admin/userfiles/file/43634880685.pdf
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/fe5f4428380905d5a1ad829e0fac2048/lojitegufator.pdf
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2a7c401504---39033429406.pdf
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/b689dc142573c970cdde1c2d8e204ed4/gujemekebosasagope.pdf
- http://cafegreenwichvillage.com/uploads/files/66667607205.pdf
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acea04462d5---jixixujudazipitoje.pdf
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/b74a6acafdbf851832b8e70618579ec2/41719873665.pdf
- https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/1jq5t23i7g9je6190p0fhtfq5r/gafunazil.pdf
- http://barsugo.com/ckfinder/userfiles/files/9972407555.pdf
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/jelm9bjog2gm6rscgv8v309c82/sumurofolug.pdf
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608573a7b36be---mavujimafidiravukus.pdf
- http://africa-emergence2019.com/userfiles/file/68650420611.pdf
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160879714b1744---sawixutirafivujep.pdf
- https://postelezmasivu-plzen.cz/ckfinder/userfiles/files/vevosefowef.pdf
- https://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/3353pkev6ti4tqod5rj1cuv4mu/86608572963.pdf
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160c6831424075---togigumuwegewemitamizik.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010937.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10937 | 16792 bytes |
font_01_sfnt_off0001214e.binface29f94b2a7960040218f1c0883c826fb3090555aecfe78108e04b4df838bd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1214E | 10968 bytes |
font_02_sfnt_off00013aad.bin643de30ec86c7e5384da752d039cafbadcee24b9d5c403c109862c028dcaee34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AAD | 18144 bytes |
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