MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to obscure the ultimate destination. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this is a phishing or malware distribution lure. The ML classifier and ClamAV detection further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://nakatarikaszel.pl/app/webroot/userfiles/file/51578848596.pdf In PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161653eb9c8849---busebimuwutajos.pdfIn PDF document text
- http://china-engine.net/ckfinder/userfiles/files/tebuta.pdfIn PDF document text
- http://toroisg.com/public/images/files/28356120474.pdfIn PDF document text
- http://sissonne.hu/editor_up/13739707330.pdfIn PDF document text
- http://gzpropellers.com/uploadfile/files/wibapuwub.pdfIn PDF document text
- https://tenfci.net/userfiles/file/sowaxasarejitipofuv.pdfIn PDF document text
- http://cadeco.com/testingsites/advantage_aviation/assets/media/file/kilanekonujositonip.pdfIn PDF document text
- http://baove24h.info/upload/files/18127551732.pdfIn PDF document text
- https://propertiproperty.com/Uploads/userfiles/files/vikeberiv.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16161de2a82e0c---56874832821.pdfIn PDF document text
- http://kagoshimakojintaxi.com/userfiles/file/19900685988.pdfIn PDF document text
- https://mehfermobilsaglik.com/userfiles/file/9009433720.pdfIn PDF document text
- https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/80a4df196eb197e8e6c19928321cf9e2/wamojekexuxas.pdfIn PDF document text
- http://tuvanthanhlapcongty.biz/upload/ck/files/bakobi.pdfIn PDF document text
- http://hypotekaprezamestnancov.sk/res/file/6472232332.pdfIn PDF document text
- http://soles2walk.com/data/file/xajorukuji.pdfIn PDF document text
- http://www.hzkontejnery.cz/ckfinder/userfiles/files/60625132065.pdfIn PDF document text
- https://stepweystudy.com/ckfinder/userfiles/files/pitaputojalexedasetolu.pdfIn PDF document text
- http://www.cenlafilm.com/siteuploads/editorimg/file/47802773100.pdfIn PDF document text
- https://stop-remont.ru/ckfinder/userfiles/files/14405755318.pdfIn PDF document text
- http://teamhead.net/userfiles/file/jusig.pdfIn PDF document text
- http://aerotherminsulation.com/userfiles/file/70978554150.pdfIn PDF document text
- http://moretonassets.net/userfiles/60635848535.pdfIn PDF document text
- http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/paposuluzudi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Gsjc/~3/xPAns0MRe5M/uplcv?utm_term=osrs+the+knight%27s+swordPDF 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_off0000bfa6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFA6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d7b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7B8 | 17648 bytes |
SHA-256: 9710497ac166f5d288c5ca3320f1a81820e42d6c29dfc6e0d909317583f36d31 |
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font_02_sfnt_off0001045e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1045E | 10556 bytes |
SHA-256: 79ab02f884dbfffa4c610c7104d4cccbb1ff1aa5084e9c72a1046a7cb8136754 |
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