MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, which is often used to redirect users to malicious websites. Several heuristics indicate the PDF acts as a link farm, with many URLs pointing to disposable hosting or compromised CMS upload storage, suggesting a phishing or malware distribution attempt. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://flirtproducties.nl/ckfinder/userfiles/files/32608553770.pdf In PDF document text
- http://giteduguedesboires.fr/userfiles/file/7734107240.pdfIn PDF document text
- http://anhuizhkj.com/upload_fck/file/2021-9-21/20210921105830676553.pdfIn PDF document text
- http://shyjjc.com/v15/Upload/file/202192325392028.pdfIn PDF document text
- http://rosritual.su/app/webroot/js/ckfinder/userfiles/files/56173099766.pdfIn PDF document text
- https://360clothing.indicsys.com/home/www360cl/public_html/uploads/images/files/tapete.pdfIn PDF document text
- http://terredellamagnagrecia.com/userfiles/files/43089920508.pdfIn PDF document text
- https://dailyhondaotomientay.com/upload/files/73136513971.pdfIn PDF document text
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/18912bf3e51646b633aaea5f5ad193e1/90435377190.pdfIn PDF document text
- http://bodemveenweiden.nl/bodem-veenweiden-img/pizujowugujugi.pdfIn PDF document text
- http://pokewaveanaheim.com/uploads/files/13127831370.pdfIn PDF document text
- http://world-housing.jp/ckfinder/userfiles/files/mulurevepib.pdfIn PDF document text
- http://japan-railpass.info/images/blog/file/puxawizolemafonefew.pdfIn PDF document text
- http://gsprojekt.eu/userfiles/files/72909438742.pdfIn PDF document text
- http://edallyshop.com/upload/files/dojagino.pdfIn PDF document text
- https://electroagro.es/pub/files/28690718413.pdfIn PDF document text
- http://glampingcaravan.com/userfiles/file/20210916192239.pdfIn PDF document text
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/5c46b49e30416ba243e2c65545b057e7/ragukamapaxevan.pdfIn PDF document text
- http://mynigaoe.com/upload/file/20210921121537.pdfIn PDF document text
- http://yey.uw52.com/upload/files/bagibut.pdfIn PDF document text
- https://bisnismedsos.com/userfiles/file/72581153273.pdfIn PDF document text
- https://kolbandibileklik.com/resimler/files/funufenodi.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff45065cd2---gepitimuse.pdfIn PDF document text
- https://gbp.dropship-online.com/userfiles/files/zerirulegotapisiforafed.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=funnel+chart+excelPDF 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_off0000af53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF53 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c76a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC76A | 10124 bytes |
SHA-256: 47151a55fc0de5e3f47341dbbabeccc867fa2cce4c95d2b022b81b5e66a7f118 |
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font_02_sfnt_off0000ddf9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDF9 | 16772 bytes |
SHA-256: 8bd13e8d81cecc51ed286f9768e7a20c9ea52ce5dbe11ca874386d828aa9ffc5 |
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