MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous links to compromised websites, suggesting it is part of a phishing campaign to distribute malware. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of external URIs and link farms on compromised CMS uploads points to a distribution mechanism designed to trick users into downloading files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 7
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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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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 http://adirondackseafood.com/ckfinder/userfiles/files/47972797208.pdf
- https://agrilaui.com/userfiles/file/vonir.pdf
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160c9e8dd70e7b---ziwowob.pdf
- http://collegedelunion.com/clients/76066/File/95958566886.pdf
- http://autohondl.cz/userfiles/file/83983423956.pdf
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/87a629931808e4acf463731e39eaef12/dufitilogu.pdf
- http://teusz.pl/UserFiles/file/39458538852.pdf
- https://mokhalasati.com/userfiles/files/zurawajumijen.pdf
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160fd037c304aa---67345770752.pdf
- https://infoenergie-loire.org/userfiles/file/dimesuduporodova.pdf
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/4ntjl00hugannnft03mscmnvh3/datumusapafedemaweguta.pdf
- https://arrayamed.com/userfiles/file/72391687439.pdf
- http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/1608a40dbc16f0---25510545836.pdf
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/e348ee7e9a0ee3938144ef98a96d6990/rovikomirelegibilusezeta.pdf
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076be0735771---52231602234.pdf
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b097b7047db---sedulegi.pdf
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1896ee5de---dakepupevu.pdf
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609f3ed97e34e---rodatakarezilovitudabuzem.pdf
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b05d66d9291---xupulufotapagu.pdf
- http://kameleonhastanc.hu/files/file/rulavezopapuj.pdf
- https://accuratesearch.com/userfiles/file/bumejepa.pdf
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f9fb4b409bd---44029312401.pdf
- http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdfaebd44dc---72502487947.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=windows+10+iso+direct+download+link+%282020+version+1909+and+2004%29
- 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_off0000ecff.bin102891d41f2260046f2617c23c80f9919fd365f30e66b1408ed50d41ca6c4744 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECFF | 11296 bytes |
font_01_sfnt_off000107f2.bind8584e7e358357ceca2bf95f8b699765ad8c3afe59ddf1066d0555f0d4e42c3a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107F2 | 17180 bytes |
font_02_sfnt_off0001349e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1349E | 16792 bytes |
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