MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users. The presence of a 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic and a high ML score further support this. Although no scripts were explicitly extracted, the nature of the embedded URLs and the ClamAV detection as 'Pdf.Phishing.Trojan' suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://infrive.ru/uplcv?utm_term=install+iso+file+on+android PDF link annotation
- http://parateam.cz/file/23380460478.pdfIn PDF document text
- https://reviewz.eu/app/webroot/files/userfiles/files/powekopivivef.pdfIn PDF document text
- http://everest-c.ru/ckfinder/userfiles/files/36397369192.pdfIn PDF document text
- https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/fae7615d7e57709f503c081b9e71b308/19189477118.pdfIn PDF document text
- http://www.radeton-cz.vasestranky.cz/ckfinder/userfiles/files/pazepimisuvu.pdfIn PDF document text
- http://www.optimizecost.com/admin/ficheros_fckedit_subidos/93878913860.pdfIn PDF document text
- http://ekopaczka.pl/imgbrama/files/77027686967.pdfIn PDF document text
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e71f8b9adf---19261815711.pdfIn PDF document text
- https://bawwabatrizq.com/userfiles/file/xasudekunew.pdfIn PDF document text
- http://bg104558.agchost.com/userfiles/files/7449061315.pdfIn PDF document text
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16132eb9a8b1ff---67996461736.pdfIn PDF document text
- http://www.fonfe.com/uploads/files/sigogej.pdfIn PDF document text
- http://shouce-image.kuchuancdn.com/Public/resource/files/65258852704.pdfIn PDF document text
- https://remini.hu/userfiles/file/61577370333.pdfIn PDF document text
- http://hamlineparkplaza.com/assets/amund/ckfinder/userfiles/files/45771827104.pdfIn PDF document text
- http://haai.org/upload/file/74157411214.pdfIn PDF document text
- http://rotang.net/userfiles/file/25647029495.pdfIn PDF document text
- https://free-spirit-city.eu/uploads/wysiwyg/files/zatobusale.pdfIn PDF document text
- http://ville-dammarie.com/ckfinder/userfiles/files/zorofefodezufuxuwenebiro.pdfIn PDF document text
- https://we-plus.tw/ckfinder/userfiles/files/26050298852.pdfIn PDF document text
- https://360clothing.indicsys.com/home/www360cl/public_html/uploads/images/files/bowabaxigefolulevulolut.pdfIn PDF document text
- http://ggbris.com/slbdavbatala/userfiles/file/faxetugesibag.pdfIn PDF document text
- 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_off0000d57d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD57D | 19160 bytes |
SHA-256: d94684f948e2ce4df874215260283261a51ae92d72744545f77e955bb291870d |
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font_01_sfnt_off000106e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106E5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011efc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EFC | 10300 bytes |
SHA-256: 701cbf14dd28ca4e811773a4748b6ba2932f4e72664096c449c65ee677901a9e |
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