MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1190 Exploit Public-Facing Application
This PDF was flagged by ML classifiers and ClamAV as malicious. It contains a link farm pointing to compromised WordPress upload storage, suggesting it's used to distribute malware or facilitate phishing. The PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristic specifically indicates the use of compromised CMS upload functionality for hosting malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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 https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160bd452d38e74---87873313337.pdf In PDF document text
- https://hssipm.com/wp-content/plugins/super-forms/uploads/php/files/01e8f3303d66befafe07acf00c521a88/kabikatarufokumawupi.pdfIn PDF document text
- http://helloshoppingnepal.com/userfiles/file/83845575550.pdfIn PDF document text
- https://www.smartfutureexpo.com/ckfinder/userfiles/files/renekejexafum.pdfIn PDF document text
- http://dichvutheapec.com/upload/FCK/file/57885752546.pdfIn PDF document text
- http://huh.hu/UserFiles/File/lidiritovob.pdfIn PDF document text
- http://the100voicesofgospel.de/fichiers/newsletter/file/vijubuvu.pdfIn PDF document text
- https://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/9s8in62v0qouaq5jlfi9hd0kid/4120025149.pdfIn PDF document text
- https://proxus.nl/file/2906887097.pdfIn PDF document text
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/654a2d5a127dc6fe7633db55aee1a5be/wivarelanawopopiridu.pdfIn PDF document text
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/c25a41cea9d78938e799c5085cfec1a5/rikodor.pdfIn PDF document text
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/gtch943b0hvsipvqijvisb35li/46698182883.pdfIn PDF document text
- https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16076346017d7c---xepelumobitaxejulan.pdfIn PDF document text
- http://nuovartea.eu/userfiles/files/wuvifavode.pdfIn PDF document text
- https://yenhuy.vn/upload/files/89518963556.pdfIn PDF document text
- https://smg.bid/ckfinder_userfiles/files/gojusen.pdfIn PDF document text
- http://tks-forever.com/upload/2021/08/25/file/71771161768.pdfIn PDF document text
- https://www.xyoaa.org/sites/default/files/files/87036536073.pdfIn PDF document text
- http://chinajnbt.com/images/upload/File/bubefobade.pdfIn PDF document text
- http://vieclamquantri.net/upload/files/11446174502.pdfIn PDF document text
- https://usssecuritate.ro/userfiles/file/sivomejanarasaz.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=the+muqaddimah+ibn+khaldun+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_off0000be4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE4A | 10716 bytes |
SHA-256: 344f9b796c2de8101406311cd2db3c01690168e906a9c0c7e324f5cfabf69f57 |
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font_01_sfnt_off0000d620.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD620 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ee32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE32 | 17940 bytes |
SHA-256: 7f6e566794ddfa2bbda6b24febff50616276b6ce6313c293a0692b4d69d39104 |
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