MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The presence of multiple PDF-specific heuristics related to URI and link farms supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://hotelbasantresidency.com/uploads/xajinirom.pdf In PDF document text
- http://apart1day.ru/file/vodosaviwun.pdfIn PDF document text
- http://unicaconsultoriarh.com/images/files/10580057906.pdfIn PDF document text
- http://redskap.ru/userfiles/file/47518177973.pdfIn PDF document text
- http://palyavalaszto.hu/teszt/upload/file/68823915125.pdfIn PDF document text
- https://silverstonedevelopments.com/ckfinder/userfiles/files/67789543520.pdfIn PDF document text
- http://oreade-breche.fr/userfiles/file/motusetevidiromil.pdfIn PDF document text
- https://gangnampools.com/contents/files/disegikuvaver.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613682d2e5d06---mujorekobesarugexazazaves.pdfIn PDF document text
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a6897567d9---fudotada.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161300eeee3b7e---28844154035.pdfIn PDF document text
- http://khacvietlaser.vn/public/images_news/files/gepezezaputuwikug.pdfIn PDF document text
- http://g-shocktou.com/user_file/file/7524374575.pdfIn PDF document text
- https://mobspace.xyz/web/img/podborky/files/93312674513.pdfIn PDF document text
- https://shirbandifelt.com/userfiles/file/tenote.pdfIn PDF document text
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613895068f30b---41536108477.pdfIn PDF document text
- https://chulintemple.house-well.com/CKEdit/upload/files/vogigurizerakomizosujav.pdfIn PDF document text
- http://ternovykh.ru/content/file/gipuvepotodezulomasefiwuf.pdfIn PDF document text
- http://chromoink.com/updates/file/19401481946.pdfIn PDF document text
- https://www.casestilistas.es/ckfinder/userfiles/files/dinetimixazopudos.pdfIn PDF document text
- https://mayxaydunghoangphuc.com/userfiles/files/63771211010.pdfIn PDF document text
- http://www.armstrongre.com/files/files/53786814029.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=kinemaster+sticker+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_off0000f479.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF479 | 10452 bytes |
SHA-256: c9171b4dba440c2528f60be229e9e7bdc8bbf3270f794730c87a9a178fb8f7d7 |
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font_01_sfnt_off00010c2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C2B | 18476 bytes |
SHA-256: 365419c807be5afb712302b7c07359188c5166ed3f422e557398455d1f8a5e2e |
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font_02_sfnt_off00013c08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C08 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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