MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS uploads, indicating a link farm designed to redirect users. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing trojan. The presence of external URIs and link farms suggests an attempt to lure users to malicious sites, likely as part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://cevhertemizlik.com/userfiles/files/lifoparimul.pdf
- http://kameleonhastanc.hu/files/file/dozilizewafinumotuw.pdf
- http://childconnect.com/swi/fckfiles/file/77208356957.pdf
- http://sosonomo.com/ckfinder/userfiles/files/85001534832.pdf
- http://cen7dias.es/userfiles/files/49248950874.pdf
- http://tucholainfo.pl/userfiles/file/36667670818.pdf
- http://travellerisland.com/files/nevelajoveniwegom.pdf
- http://gpp300.fr/userfiles/file/80332929759.pdf
- http://news-hk.net/uploadfile/file///voxanoxagogidibuxox.pdf
- https://airflow-skateboards.com/userfiles/files/23905171137.pdf
- http://poney-club-romilly-aigre28.fr/userfiles/file/bapogewogufunufunev.pdf
- https://frigosztufi.ro/ckfinder/userfiles/files/wopowixegu.pdf
- http://fslawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/patulo.pdf
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/6a33158b79b6172e719d93ac817e986f/59606169874.pdf
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ef8538cba9---45728618743.pdf
- https://tyeetomsfishing.com/userfiles/file/fumasupowiwuw.pdf
- http://zuche0551.com/upload/file/wilatu.pdf
- http://mcap.cz/images/uploadedimages/file/fojesixos.pdf
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cb0107a499---15934830960.pdf
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/nb51eg8a9enihc35j0gebk4o04/80945156347.pdf
- https://angelsforwarriors.org/userfiles/files/16479347303.pdf
- https://ddnepal.com/assets/userfiles/files/tivavifetekopuxuzikepad.pdf
- https://hotelite.in/userfiles/file/57554863192.pdf
- http://benthanhsgfarm.com/images/uploads/files/xikudaw.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=visual+design+elements+and+principles+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_off0000f9b9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9B9 | 16792 bytes |
font_01_sfnt_off000111d0.binae3acb972f01279b99c17176bb0d69ad8fe9ea71dc59eaf44089042cad23149b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111D0 | 10912 bytes |
font_02_sfnt_off00012acf.bin9490e9cf803e057ee98df7a061f06536e10595dff43e878a11157f103ad9fdbc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12ACF | 18344 bytes |
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