MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ClamAV and an ML classifier, and exhibits characteristics of a link farm. Multiple heuristics indicate that the PDF contains numerous links pointing to other PDFs hosted on compromised websites, suggesting a phishing or malware distribution campaign. The presence of external URIs and the overall structure strongly suggest an attempt to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/d2f32a619713eddb7ea1581c71aad43c/31992695166.pdf
- http://elcampoeco.org/FCKeditor/file/18703580649.pdf
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/1b3c59e291d0e34cdcbba3bccb5c058e/xebifozenifu.pdf
- https://lanna-flyingclub.com/ckfinder/userfiles/files/masididofakononez.pdf
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/87c2be63768e094acbc3a203c7aaaea7/zigixanevara.pdf
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16089290d7c9fe---65298465887.pdf
- http://interno-kazan.ru/upload/files/99810357328.pdf
- https://ecodiagnost.com/ckfinder/userfiles/files/99765616860.pdf
- http://kamkmori.cz/ckfinder/userfiles/files/xeloligofajabirifiz.pdf
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608248d762b6f---lokibuxap.pdf
- http://tate79.com/clients/868750/File/92606600414.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c031532fd0e---14445387035.pdf
- https://alakharia.com/public_html/userfiles/file/55198521341.pdf
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/9v8duv789s467f4qbamdakra75/juxumaroburo.pdf
- http://norrlandet.se/userfiles/file/76626529574.pdf
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/34d3e7267f998e80f82e00f881577ce2/venurifezatofususaxegiga.pdf
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/9c7a17aeff21b71fde2e66dc8f60c849/fabevifigoj.pdf
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c68ba09b912---visazolul.pdf
- http://progfin.pl/userfiles/file/67663219429.pdf
- http://falerisztika.hu/tmp/sulipeze.pdf
- http://cyklo-sport-servis.cz/UserFiles/File/72085138580.pdf
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e60e584d2a---pujajariloxitodojuga.pdf
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608572a872a67---vatibirogukobusabodugabeg.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=nwu+vaal+prospectus+2020+pdf+download
- 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_off0000d696.bin627b754661e419e520a7d98617cda667b9727a3e446b81b8c09cbb8cb3608e0e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD696 | 10992 bytes |
font_01_sfnt_off0000f06c.bin3229dc6125b62eb6206e52f46a217d45536ce52e8bdba13180bfdefbfc58e374 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF06C | 17008 bytes |
font_02_sfnt_off00011c73.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C73 | 16792 bytes |
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