MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/u5o8obkp86t9m4b6oft80mhvr9/33177503786.pdf In PDF document text
- https://primer-spb.ru/files/files/leduguxun.pdfIn PDF document text
- http://sbstroy53.ru/img/files/xexoze.pdfIn PDF document text
- http://adria-ex.com/40186071808.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160eca973c05d7---38974162642.pdfIn PDF document text
- http://ip-golubev.ru/ckfinder/userfiles/files/71850679027.pdfIn PDF document text
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/dfc46338593c106b32aa98048d2442ff/64899265635.pdfIn PDF document text
- http://etkenkalip.com/files/jupoxawaxexunobelewagof.pdfIn PDF document text
- http://es-manzokudou.com/yamituki-n/uploads/files/90197345553.pdfIn PDF document text
- http://archiprojektai.lt/app/webroot/uploads/userfiles/files/mevojininefaz.pdfIn PDF document text
- http://gerd-pollak.de/userfiles/file/3102568648.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3a4eda4e29---numekaxarugesop.pdfIn PDF document text
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/2b2af1bf6b142005871b789efa4a69af/47303684273.pdfIn PDF document text
- https://anjingliar2.com/contents//files/5928026104.pdfIn PDF document text
- http://naasschoolofmotoring.ie/fckeditor/userfiles/file/97886374552.pdfIn PDF document text
- http://gs-metals.com/filespath/files/20210809214405.pdfIn PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607479160a8f7---bogawomafadikam.pdfIn PDF document text
- http://obasekiestates.com/UserFiles/file/84495262939.pdfIn PDF document text
- https://fotofidelity.cz/userfiles/file/4698725071.pdfIn PDF document text
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160f94997815c6---66632792357.pdfIn PDF document text
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/768c858e39ba5ba97379f6813937330d/27484408090.pdfIn PDF document text
- https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16088790271571---gujipufafopexerenerotupus.pdfIn PDF document text
- https://masterjobintl.com/ckfinder/userfiles/files/rizevaj.pdfIn PDF document text
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/b440f66752f4e7b3ed43e388ea847dcb/46726383406.pdfIn PDF document text
- https://tl-systems.hu/files/files/71904874798.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=concentric+and+eccentric+reducer.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_off0000d780.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD780 | 18888 bytes |
SHA-256: a2284f72a9c1fcfc44c4a8aaa42b384364e1fe44cf1e6844f7757b854d6ec3d1 |
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font_01_sfnt_off000108c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108C4 | 10596 bytes |
SHA-256: 7b1d8e01c9175542febb9a9609fa715baa7f725286e082bcd61b9c804189f829 |
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font_02_sfnt_off0001211b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1211B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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