MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to external sites, many of which are hosted on compromised WordPress instances or disposable domains, suggesting a link farm or phishing lure. The PDF structure and embedded content are consistent with attempts to redirect users to malicious destinations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://ijpdua.com/contents/files/38098711026.pdf In PDF document text
- http://solarexperte.ch/fckeditor/editor/images/file/93093680821.pdfIn PDF document text
- https://cbdc.co/uploads/ckfinder/userfiles/files/17060013380.pdfIn PDF document text
- https://www.weldcor.ca/public/ckfinder/userfiles/files/gutaxokejatari.pdfIn PDF document text
- http://leeandrewdavison.com/download/xikubo.pdfIn PDF document text
- http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/33814223572.pdfIn PDF document text
- http://bradzo-ep.com/uploads/files/rikalepujujuragaxibikuf.pdfIn PDF document text
- http://metallpress.ru/files/91605164723.pdfIn PDF document text
- http://gzmingjun.com/uploadfile/files/20210907_063735.pdfIn PDF document text
- http://qbcar.ru/ckfinder/userfiles/files/51227825568.pdfIn PDF document text
- http://realcomfort.ru/content/upload/file/37994149198.pdfIn PDF document text
- http://inimtrento.it/userfiles/files/sozikakoperiwipuxizunodug.pdfIn PDF document text
- https://datenglagi.com/contents/files/26023512876.pdfIn PDF document text
- http://wdnederland.nl/file/fixuropefedirufok.pdfIn PDF document text
- http://shsuorui.com/uploadfiles/fckeditor/20210901/file/16304841105724.pdfIn PDF document text
- http://scantech3d.com/files/witekuginuvelelelito.pdfIn PDF document text
- http://tdbm.vn/upload/files/xalav.pdfIn PDF document text
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613540d226835---20881799332.pdfIn PDF document text
- https://uangraja.com/contents/files/28734766066.pdfIn PDF document text
- http://kevinmcallisterlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/21089197457.pdfIn PDF document text
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16136967d3c993---fomikukabaxeper.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/161376db2571c8---54882380658.pdfIn PDF document text
- http://salt17.com/userfiles/files/letomonoxodugilitaboto.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=shield+tv+remote+appPDF 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_off0000b1c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1C9 | 10524 bytes |
SHA-256: 7fcf542f3343bb44ec36acad47033167e5223f86696169a91e65004154363fc3 |
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font_01_sfnt_off0000c9c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9C3 | 15372 bytes |
SHA-256: 54ff709aef4dd74b177499db960d4080cbabe8738dbab1c3bbe64f193a512320 |
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font_02_sfnt_off0000f0e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0E4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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