MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16135cf8a32be5---momila.pdf In PDF document text
- https://pchome.uzai.ca/upload/files/54458518929.pdfIn PDF document text
- http://rfinshaat.az/userfiles/file/sezerenuraxijetogovidejos.pdfIn PDF document text
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/161395ec959635---femimago.pdfIn PDF document text
- https://alusol-kw.com/ckfinder/userfiles/files/ledoxowi.pdfIn PDF document text
- http://www.catedralirodahaz.hu/data/editorfile/82028244936.pdfIn PDF document text
- https://mimpishio1bet.net/contents/files/gulanugejuf.pdfIn PDF document text
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/9fa607faa87802978bd237130022d436/kowuzurisapusirejej.pdfIn PDF document text
- https://miguktour.com/FileData/ckfinder/files/20210907_CE3DA03278731481.pdfIn PDF document text
- https://renebeumer.nl/userfiles/file/8093469425.pdfIn PDF document text
- http://rzn-house.ru/upload/file/fatejoxoguzuwa.pdfIn PDF document text
- http://pantipplaza.com/userfiles/file/gerefenolalomofuwipu.pdfIn PDF document text
- http://jinruily.com/UploadFile/file/20210911100658726.pdfIn PDF document text
- http://enovosti.info/ckfinder/userfiles/files/dibodupag.pdfIn PDF document text
- https://ksi-system.pl/editorfiles/file/xononorivadufo.pdfIn PDF document text
- http://kme-kme.cz/files/file/tumodanigopu.pdfIn PDF document text
- http://sowaprojekt.pl/files/file/57166825064.pdfIn PDF document text
- http://gensugroup.com/upload/files/81303312685.pdfIn PDF document text
- http://stefanourso.com/public/userfiles/file/fenujusozafovidu.pdfIn PDF document text
- https://bitree.ru/ckfinder/userfiles/files/32279951396.pdfIn PDF document text
- http://www.sport-konyv.hu/userfiles/file/20913949149.pdfIn PDF document text
- http://newgrids.com/userfiles/file/48511563732.pdfIn PDF document text
- http://studio-rivetti.it/userfiles/files/14957565788.pdfIn PDF document text
- https://specialgarden.ro/userfiles/file/namojiwusematuzuzobexetid.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=pk+full+moviePDF 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_off0000b059.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB059 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c86b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC86B | 18224 bytes |
SHA-256: 2f8c2a9a1ab40095b1d9308ad5aceb50e8f121e474c899af2b6131114a5f1a7b |
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font_02_sfnt_off0000f755.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF755 | 10004 bytes |
SHA-256: 3838da27d8dd56a7b4641ec6512ea357a29af10dbfb1d3629fbfc427a701a51e |
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