MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of a 'Browser extension / update installation lure' heuristic suggests the document is designed to trick users into installing potentially harmful software. Multiple URLs pointing to compromised CMS uploads and disposable hosting further support a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9924
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://kardelendalgicpompa.com/uploadfiles/file/bagozujexeri.pdf In PDF document text
- http://rhodeislandalpha.com/clients/56223/File/94257087944.pdfIn PDF document text
- https://securitydm.com/slicice/file/mosagi.pdfIn PDF document text
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/kh3ko63o7gpnmsh49reho2nan2/28810415689.pdfIn PDF document text
- http://tasteofruraleurope.eu/upload/File/xasemufutifesujuboxewagef.pdfIn PDF document text
- http://digivideos.net/ckfinder/userfiles/files/62038809370.pdfIn PDF document text
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/9229c99596581526d2893cc669b66d17/58093321291.pdfIn PDF document text
- http://tasarimak.com/ckfinder/userfiles/files/90793004052.pdfIn PDF document text
- http://proxima-design.cz/files/file/57169723300.pdfIn PDF document text
- http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/bbbcc8cb426869cd8df34520ef2f5a8a/88541198144.pdfIn PDF document text
- http://toyteepee.com/uploadfiles/file/210723064724720236amgjft.pdfIn PDF document text
- http://asdgolfclubtoscana.com/writable/public/userfiles/file/raruxokukavuledida.pdfIn PDF document text
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/9032e1582702694c0dca70cd4d07988b/397950929.pdfIn PDF document text
- https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/5j3ukgsjubvp7nbmgb1n534fra/bazilasiladat.pdfIn PDF document text
- https://dgssu.com/upfolder/e/files/20210813172942.pdfIn PDF document text
- http://saothienemb.com/uploads/images/files/72206551720.pdfIn PDF document text
- http://bannermaul.com/userData/board/file/29310534641.pdfIn PDF document text
- https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/f20aa929b27e1e3ea4d26f798b346d89/85204796259.pdfIn PDF document text
- http://d4smontreal.com/clients/f/f5/f58105ca183540932673f5bf18e62671/File/mavebarolelazov.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c5be87bf7d3---lafemo.pdfIn PDF document text
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095d24f5c142---6088696246.pdfIn PDF document text
- http://santeh.md/img/files/nopuvima.pdfIn PDF document text
- http://diysmart.net/userfiles/file/36397470187.pdfIn PDF document text
- http://gwardiajuvenia.pl/zdjecia/fck/file/76077460640.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071cf2d76b96---69453166362.pdfIn PDF document text
- http://humboldthighclassof79.com/clients/1/19/19f040aad945c40a0acbd79abd3dc6cb/File/57409145667.pdfIn PDF document text
- https://computerzone.pk/file/42200162687.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=jurassic+world+2+full+movie+in+tamil+download+hd+watch+onlinePDF 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_off000167a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x167A1 | 11104 bytes |
SHA-256: 49f28c2c82b2de36b9199891d2e107f43a9c6abd3131c0bceafbe63c9546585f |
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font_01_sfnt_off0001816d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1816D | 18096 bytes |
SHA-256: 49ca892bd89b9a3d4862e3c7c50d963c2a8dadf53df61e9dc649aabd31df9e7a |
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font_02_sfnt_off0001b0ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B0CE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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